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"Kata" your way to better architecture skills

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Andy Marks
Andy Marks

Presented at the NDC Sydney conference on October 13, 2020. https://ndcsydney.com/workshops/kata-your-way-to-better-architectures-09j6/0jz51ektu0f Architecture Kata exercises (https://archkatas.herokuapp.com/) are great activities to deliberately build skills in on-the-spot technical solution design. This workshop will give attendees both a theoretical and practical experience with this activity and allow them to conduct the same exercises within their teams/organisations. This deep-dive will describe the purpose and structure of these exercises and then outline an incremental approach to completing a Kata. With this background, the attendees will form small groups and collaboratively design their own solution to a different Kata problem, guided by the experience of the facilitator(s). The final stage of the workshop consists of all the groups sharing and discussing their solutions with the entire set of attendees.

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GLOBAL SOFTWARE CONSULTANCY
INTRODUCTION THE PROCESS GROUP KATA (including breaks) CONCLUSION
Icebreaker
structure architecture characteristics architecture decisions design principles
Deliberate Practice Safety Iteration (& Variation) Feedback
Title... Context... Scope... NFR hints...
ARCHITECTURE" ●STRUCTURE ●CHARACTERISTICS ●DECISIONS ●PRINCIPLES
Incomplete Vague Missing a customer
kata discovers requirements asking questions discusses technology options rough vision presents answer challenges votes
kata discovers requirements asking questions discusses technology options rough vision presents answer challenges votes
kata discovers requirements asking questions discusses technology options rough vision presents answer challenges votes 🗷 🗷 🗷 🗷 🗷 ⍰ 🗷 🗷 🗷
IN OUT
INTRODUCTION THE PROCESS GROUP KATA (including breaks) CONCLUSION
2. Responsibilities 4. Solution overview 5. Solution components 3. Business processes 1. Roles
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 41. Actors 2. Responsibilities 3. Business Processes 5. Solution Components 4. Solution Overview
Lorem 1 Who is architecture is serving. Lorem 2 What those actors need to do. Lorem 3 How the responsibilities connect and interact. Lorem 5 What components are composed into the solution, and how they integrate. Lorem 4 How the actors interact with the Solution. 1. Actors 2. Responsibilities 3. Business Processes 5. Solution Components 4. Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 41. Actors 2. Responsibilities 3. Business Processes 5. Solution Components 4. Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 41. Actors 2. Responsibilities 3. Business Processes 5. Solution Components 4. Solution Overview Assumptions
1. Actors 2. Responsibilities 3. Business Processes 5. Solution Components 4. Solution Overview
LEARN REFINE FORGET
INTRODUCTION THE PROCESS GROUP KATA (including breaks) CONCLUSION
NDC
Your Architectural Kata is... All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview actor
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● ● ● ●
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year.
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year. http://bit.ly/ndc-kata
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Who are your actors? http://bit.ly/ndc-kata actor ●
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Who are your actors?
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year.
● Testing centres are staffed by administrators ● Hosting centre operations are out-of-scope Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● ● ● ● ● ● ●
Responsibilities Lorem 3 Lorem 5Lorem 4Actors Business Processes Solution Components Solution Overview Responsibilities
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Conference Organiser... ● Speaker... ● Attendee... ● ● ● ● Event Staff... ●
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● "Evaluation System" = Voting on talks
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Conference Organiser... ● ● ● ● ● Speaker... ● Attendee... ● ● ● ● Event Staff... ●
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Conference Organiser... ● ● ● ● ● Speaker... ● ● ● ● ● Attendee... ● ● ● ● Event Staff... ●
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Conference Organiser... ● ● ● ● ● Speaker... ● ● ● ● ● Attendee... ● ● ● ● Event Staff... ●
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● "Evaluation System" = Voting on talks ● Event Staff responsibilities are Out-of-Scope
Architecturally significant requirements Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
What are your actor's responsibilities? Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview http://bit.ly/ndc-kata ● ● What are your actors' responsibilities?
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview What are your actors' responsibilities?
Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Student... ● ● ● Grader... ● ● The System... ● ● ● Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Administrator... ● ● Teacher?... ● System Administrator?...
Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● Testing centres are staffed by administrators ● Hosting centre operations are out-of-scope ● Security & data privacy is a key NFR ● A cloud-hosted solution is not feasible
Business Processes Lorem 1 Lorem 2 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
NDC
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
Conference Organiser... ● ● ● ● ● Attendee... ● ● ● ● Speaker... ● ● ● ● ● Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Setup Call for Proposals (CFP) Event Feedback Feedback Feedback Feedback Feedback Feedback Feedback Feedback Feedback Feedback Feedback Promotion
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Actor Responsibility Setup CFP Promotion Event Feedback Organiser Notifies attendees of schedule changes ✔ Create conference site ✔ Administer speakers ✔ Administer content ✔ Administer rooms ✔ Attendee Accesses speaker schedule ✔ Vote on talks ✔ Opt-in to notifications ✔ Access speaker slides ✔ Speaker Enter/edit/modify talk ✔ Register as speaker (username, credentials) ✔ Submit talk ✔ Accept offer (bio, photo) ✔ View evaluation ✔
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Actor Responsibility Setup CFP Promotion Event Feedback Organiser Notifies attendees of schedule changes ✔ Create conference site ✔ Administer speakers ✔ Administer content ✔ Administer rooms ✔ Attendee Accesses speaker schedule ✔ Vote on talks ✔ Opt-in to notifications ✔ Access speaker slides ✔ Speaker Enter/edit/modify talk ✔ Register as speaker (username, credentials) ✔ Submit talk ✔ Accept offer (bio, photo) ✔ View evaluation ✔
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● "Evaluation System" = Voting on talks ● Event Staff responsibilities are Out-of-Scope ● Promotions (Ticketing & sales) are Out-of-Scope
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Actor Responsibility Setup CFP Promotion Event Feedback Organiser Notifies attendees of schedule changes ✔ Create conference site ✔ Administer speakers ✔ Administer content ✔ Administer rooms ✔ Attendee Accesses speaker schedule ✔ Vote on talks ✔ Opt-in to notifications ✔ Access speaker slides ✔ Speaker Enter/edit/modify talk ✔ Register as speaker (username, credentials) ✔ Submit talk ✔ Accept offer (bio, photo) ✔ View evaluation ✔
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Actor Responsibility Setup CFP Promotion Event Feedback Organiser Notifies attendees of schedule changes ✔ Create conference site ✔ Administer speakers ✔ Administer content ✔ Administer rooms ✔ Attendee Accesses speaker schedule ✔ Vote on talks ✔ Opt-in to notifications ✔ Access speaker slides ✔ Speaker Enter/edit/modify talk ✔ Register as speaker (username, credentials) ✔ Submit talk ✔ Accept offer (bio, photo) ✔ View evaluation ✔
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Actor Responsibility Setup CFP Promotion Event Feedback Organiser Notifies attendees of schedule changes ✔ Create conference site ✔ Administer speakers ✔ Administer content ✔ Administer rooms ✔ Attendee Accesses speaker schedule ✔ Vote on talks ✔ Opt-in to notifications ✔ Access speaker slides ✔ Speaker Enter/edit/modify talk ✔ Register as speaker (username, credentials) ✔ Submit talk ✔ Accept offer (bio, photo) ✔ View evaluation ✔
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Attributions ByspanishWikipediauserGwaur,CCBY-SA3.0,https://commons.wikimedia.org/w/index.php?curid=4812400 ByMikeloSkarabo-Ownwork,CCBY-SA4.0,https://commons.wikimedia.org/w/index.php?curid=91302590 ByHardball5-Ownwork,CCBY-SA4.0,https://commons.wikimedia.org/w/index.php?curid=53719485 ByKishorekumar62,CCBY-SA3.0,https://commons.wikimedia.org/w/index.php?curid=7880320 ByAt30siratEnglishWikipedia,CCBY-SA3.0,https://commons.wikimedia.org/w/index.php?curid=49685934 ByPaulKerr-http://commons.wikimedia.org/wiki/File:Approvals.jpg,CC0, https://commons.wikimedia.org/w/index.php?curid=21550293 over Presentation over over Clicking
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Actor Messages Time
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview actor Person Person->System: Request: "Hello" System->Person: Response: "World"
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● "Evaluation System" = Voting on talks ● Event Staff responsibilities are Out-of-Scope ● Promotions (Ticketing & sales) are Out-of-Scope ● Speaker confirmation is done "offline" via email ● A speaker is also an attendee ● Need to cater for return speakers and attendees
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Actor Responsibility Setup CFP Promotion Event Feedback Organiser Notifies attendees of schedule changes ✔ Create conference site ✔ Administer speakers ✔ Administer content ✔ Administer rooms ✔ Attendee Accesses speaker schedule ✔ Vote on talks ✔ Opt-in to notifications ✔ Access speaker slides ✔ Speaker Enter/edit/modify talk ✔ Register as speaker (username, credentials) ✔ Submit talk ✔ Accept offer (bio, photo) ✔ View evaluation ✔
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● "Evaluation System" = Voting on talks ● Event Staff responsibilities are Out-of-Scope ● Promotions (Ticketing & sales) are Out-of-Scope ● Speaker confirmation is done "offline" via email ● A speaker is also an attendee ● Need to cater for return speakers and attendees ● Organisers can see all evaluations for a conference
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview What are your key business processes?
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview http://bit.ly/ndc-kata ● ● ● What are your key business processes?
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview What are your key business processes?
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year.
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● Testing centres are staffed by administrators ● Hosting centre operations are out-of-scope ● Security & data privacy is a key NFR ● A cloud-hosted solution is not feasible ● Testing/Grading/Reporting are independent activities
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● Testing centres are staffed by administrators ● Hosting centre operations are out-of-scope ● Security & data privacy is a key NFR ● A cloud-hosted solution is not feasible ● Testing/Grading/Reporting are independent activities ● Graders are allocated work from a pool ● Graders can grade any students' tests ● Reports are generated on request ● All access to student grades must be logged ● There are no Teacher-specific responsibilities
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Student... ● ● ● Grader... ● ● The System... ● ● ● ● Administrator... ● ● Report Viewer ● ● System Administrator?...
Solution Overview Lorem 1 Lorem 2 Lorem 3 Lorem 5Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview people software systems
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview The System Actor External System
Conference Organiser... ● ● ● ● ● Attendee... ● ● ● ● Speaker... ● ● ● ● ● Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview <<system>> Conference Organising System Hosts content and gathers feedback <<person>> Speaker <<person>> Attendee <<person>> Organiser Negotiates speaker slot Submits talks and views feedback Creates sites and manages content Notifies of schedule updates Views schedule, votes on talks, downloads slides
How do your actors interact with your system? Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Student... ● ● ● Grader... ● ● The System... ● ● ● Administrator... ● ● Report Viewer... ●
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview <<system>> Testing System Hosts and grades tests, and generates reports <<person>> Student <<person>> Grader <<person>> Report Viewer <<person>> Admin Sits tests Grades tests Manages access to tests Requests and reads reports
Solution Components Lorem 1 Lorem 2 Lorem 3 Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
NDC
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview System Components
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Implementation technology
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Integration protocols
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Context Diagram Container Diagram
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview v8: 150m!!!
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview External SaaS
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Embedded CMS
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Raw AWS
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● "Evaluation System" = Voting on talks ● Event Staff responsibilities are Out-of-Scope ● Speaker confirmation is done "offline" via email ● Organisers can see all evaluations for a conference ● A speaker is (by default) also an attendee ● System needs to cater for return speakers and attendees ● Organisers publish slides on behalf of speakers ● Email and SMS feedback is sent directly to organiser ● Email and SMS feedback is manually added ● Attendee payment is Out-of-Scope ● Organiser-Speaker CFP comms is handled by sessionize
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● ● ● space ● ● actors ● gridded paper ● Iterate ● ● orientation ● ● assumptions
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview What are the technical components?
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ArchitecturalStyles Monolithic Distributed Layered Microkernel Service-based Event-driven Pipeline Space-based Service-oriented Microservices
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview http://bit.ly/ndc-kata What components are inside your solution?
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview What components are inside your solution?
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Testing Subsystem Reporting Subsystem Grading Subsystem
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Rabbit MQ to decouple subsystems
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Common identity stores
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview What design smells* are visible on an unlabelled architectural diagram? * Not every smell is an issue... but it is certainly worth looking at.
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Service Service Service Service Service Service Service Service
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Service Service Service Service Service Service Service Service
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview External Service Service Service
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Service Service Smell: Cyclic Dependency
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Service Service Smell: Battle of Trafalgar
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Service Service DB
INTRODUCTION THE PROCESS GROUP KATA (including breaks) CONCLUSION
Architecture diagrams != Architecture
3. SHARE Learn through seeing other team's solutions to the same problem. 1. CHOOSE Grab a team. Find some time. Solve a kata that appeals to you. 2. FOCUS Introduce a constraint or focus that is uncomfortable (e.g., robustness).
https://bit.ly/kata-overview
Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
https://bit.ly/blog-kata
● solution design thinking ● logical progression ● speaking their mind ● trade-offs ● architecturally insignificant ● domain knowledge ● time constraints https://bit.ly/kata-recruit
Choosing Kata www.architecturalkatas.com nealford.com/katas/ bit.ly/kata-overview Kata Discussion groups.google.com/g/architecturalkatas Kata Example bit.ly/blog-kata Kata for Recruiting bit.ly/kata-recruit Sequence Diagram tools www.websequencediagrams.com github.com/bramp/js-sequence-diagrams C4 Diagrams c4model.com C4 Diagram tools github.com/RicardoNiepel/C4-PlantUML Workshop diagram source github.com/andeemarks/diagrams Workshop presentation bit.ly/ndc-kata-slides
SARAH TARAPOREWALLA @sarahtap ANDY MARKS @andeemarks

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"Kata" your way to better architecture skills

  • 1. NDC
  • 3.
  • 4.
  • 7.
  • 9.
  • 10.
  • 15. kata discovers requirements asking questions discusses technology options rough vision presents answer challenges votes
  • 16. kata discovers requirements asking questions discusses technology options rough vision presents answer challenges votes
  • 17. kata discovers requirements asking questions discusses technology options rough vision presents answer challenges votes 🗷 🗷 🗷 🗷 🗷 ⍰ 🗷 🗷 🗷
  • 20.
  • 21.
  • 22. 2. Responsibilities 4. Solution overview 5. Solution components 3. Business processes 1. Roles
  • 23. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 41. Actors 2. Responsibilities 3. Business Processes 5. Solution Components 4. Solution Overview
  • 24. Lorem 1 Who is architecture is serving. Lorem 2 What those actors need to do. Lorem 3 How the responsibilities connect and interact. Lorem 5 What components are composed into the solution, and how they integrate. Lorem 4 How the actors interact with the Solution. 1. Actors 2. Responsibilities 3. Business Processes 5. Solution Components 4. Solution Overview
  • 25. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 41. Actors 2. Responsibilities 3. Business Processes 5. Solution Components 4. Solution Overview
  • 26. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 41. Actors 2. Responsibilities 3. Business Processes 5. Solution Components 4. Solution Overview Assumptions
  • 27. 1. Actors 2. Responsibilities 3. Business Processes 5. Solution Components 4. Solution Overview
  • 28.
  • 29.
  • 32. NDC
  • 33.
  • 34.
  • 35.
  • 36. Your Architectural Kata is... All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
  • 37.
  • 38. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview actor
  • 39. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
  • 40. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
  • 41. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● ● ● ●
  • 42. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 43. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year.
  • 44. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year. http://bit.ly/ndc-kata
  • 45. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Who are your actors? http://bit.ly/ndc-kata actor ●
  • 46. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Who are your actors?
  • 47. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year.
  • 48. ● Testing centres are staffed by administrators ● Hosting centre operations are out-of-scope Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 49. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● ● ● ● ● ● ●
  • 50. Responsibilities Lorem 3 Lorem 5Lorem 4Actors Business Processes Solution Components Solution Overview Responsibilities
  • 51.
  • 52. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
  • 53. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
  • 54. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
  • 55. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
  • 56. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
  • 57. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Conference Organiser... ● Speaker... ● Attendee... ● ● ● ● Event Staff... ●
  • 58. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
  • 59. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
  • 60. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● "Evaluation System" = Voting on talks
  • 61. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
  • 62. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Conference Organiser... ● ● ● ● ● Speaker... ● Attendee... ● ● ● ● Event Staff... ●
  • 63. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
  • 64. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Conference Organiser... ● ● ● ● ● Speaker... ● ● ● ● ● Attendee... ● ● ● ● Event Staff... ●
  • 65. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Conference Organiser... ● ● ● ● ● Speaker... ● ● ● ● ● Attendee... ● ● ● ● Event Staff... ●
  • 66. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● "Evaluation System" = Voting on talks ● Event Staff responsibilities are Out-of-Scope
  • 67. Architecturally significant requirements Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 68. What are your actor's responsibilities? Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 69. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview http://bit.ly/ndc-kata ● ● What are your actors' responsibilities?
  • 70. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview What are your actors' responsibilities?
  • 71. Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 72. Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 73. Student... ● ● ● Grader... ● ● The System... ● ● ● Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Administrator... ● ● Teacher?... ● System Administrator?...
  • 74. Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 75. Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 76. Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 77. Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 78. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● Testing centres are staffed by administrators ● Hosting centre operations are out-of-scope ● Security & data privacy is a key NFR ● A cloud-hosted solution is not feasible
  • 79. Business Processes Lorem 1 Lorem 2 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 80. NDC
  • 81.
  • 82. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview All Stuff, No Cruft Conference organizer needs a management system for the conferences they run Requirements: attendees can access speaking schedule online, including room assignments; speakers can manage talks (enter, edit, modify); attendees "vote up/down" talks; organizer can notify attendees of schedule changes up-to-the-minute (if attendees opt in); each conference (being a different subject) can be branded independently; speaker slides are accessible online only to attendees; evaluation system via web page, email, SMS, or phone Users: hundreds of speakers, dozens of event staff, thousands of attendees
  • 83. Conference Organiser... ● ● ● ● ● Attendee... ● ● ● ● Speaker... ● ● ● ● ● Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 84. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Setup Call for Proposals (CFP) Event Feedback Feedback Feedback Feedback Feedback Feedback Feedback Feedback Feedback Feedback Feedback Promotion
  • 85. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Actor Responsibility Setup CFP Promotion Event Feedback Organiser Notifies attendees of schedule changes ✔ Create conference site ✔ Administer speakers ✔ Administer content ✔ Administer rooms ✔ Attendee Accesses speaker schedule ✔ Vote on talks ✔ Opt-in to notifications ✔ Access speaker slides ✔ Speaker Enter/edit/modify talk ✔ Register as speaker (username, credentials) ✔ Submit talk ✔ Accept offer (bio, photo) ✔ View evaluation ✔
  • 86. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Actor Responsibility Setup CFP Promotion Event Feedback Organiser Notifies attendees of schedule changes ✔ Create conference site ✔ Administer speakers ✔ Administer content ✔ Administer rooms ✔ Attendee Accesses speaker schedule ✔ Vote on talks ✔ Opt-in to notifications ✔ Access speaker slides ✔ Speaker Enter/edit/modify talk ✔ Register as speaker (username, credentials) ✔ Submit talk ✔ Accept offer (bio, photo) ✔ View evaluation ✔
  • 87. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● "Evaluation System" = Voting on talks ● Event Staff responsibilities are Out-of-Scope ● Promotions (Ticketing & sales) are Out-of-Scope
  • 88. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Actor Responsibility Setup CFP Promotion Event Feedback Organiser Notifies attendees of schedule changes ✔ Create conference site ✔ Administer speakers ✔ Administer content ✔ Administer rooms ✔ Attendee Accesses speaker schedule ✔ Vote on talks ✔ Opt-in to notifications ✔ Access speaker slides ✔ Speaker Enter/edit/modify talk ✔ Register as speaker (username, credentials) ✔ Submit talk ✔ Accept offer (bio, photo) ✔ View evaluation ✔
  • 89. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Actor Responsibility Setup CFP Promotion Event Feedback Organiser Notifies attendees of schedule changes ✔ Create conference site ✔ Administer speakers ✔ Administer content ✔ Administer rooms ✔ Attendee Accesses speaker schedule ✔ Vote on talks ✔ Opt-in to notifications ✔ Access speaker slides ✔ Speaker Enter/edit/modify talk ✔ Register as speaker (username, credentials) ✔ Submit talk ✔ Accept offer (bio, photo) ✔ View evaluation ✔
  • 90. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Actor Responsibility Setup CFP Promotion Event Feedback Organiser Notifies attendees of schedule changes ✔ Create conference site ✔ Administer speakers ✔ Administer content ✔ Administer rooms ✔ Attendee Accesses speaker schedule ✔ Vote on talks ✔ Opt-in to notifications ✔ Access speaker slides ✔ Speaker Enter/edit/modify talk ✔ Register as speaker (username, credentials) ✔ Submit talk ✔ Accept offer (bio, photo) ✔ View evaluation ✔
  • 91. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Attributions ByspanishWikipediauserGwaur,CCBY-SA3.0,https://commons.wikimedia.org/w/index.php?curid=4812400 ByMikeloSkarabo-Ownwork,CCBY-SA4.0,https://commons.wikimedia.org/w/index.php?curid=91302590 ByHardball5-Ownwork,CCBY-SA4.0,https://commons.wikimedia.org/w/index.php?curid=53719485 ByKishorekumar62,CCBY-SA3.0,https://commons.wikimedia.org/w/index.php?curid=7880320 ByAt30siratEnglishWikipedia,CCBY-SA3.0,https://commons.wikimedia.org/w/index.php?curid=49685934 ByPaulKerr-http://commons.wikimedia.org/wiki/File:Approvals.jpg,CC0, https://commons.wikimedia.org/w/index.php?curid=21550293 over Presentation over over Clicking
  • 92. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Actor Messages Time
  • 93. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview actor Person Person->System: Request: "Hello" System->Person: Response: "World"
  • 94. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 95. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 96. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● "Evaluation System" = Voting on talks ● Event Staff responsibilities are Out-of-Scope ● Promotions (Ticketing & sales) are Out-of-Scope ● Speaker confirmation is done "offline" via email ● A speaker is also an attendee ● Need to cater for return speakers and attendees
  • 97. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Actor Responsibility Setup CFP Promotion Event Feedback Organiser Notifies attendees of schedule changes ✔ Create conference site ✔ Administer speakers ✔ Administer content ✔ Administer rooms ✔ Attendee Accesses speaker schedule ✔ Vote on talks ✔ Opt-in to notifications ✔ Access speaker slides ✔ Speaker Enter/edit/modify talk ✔ Register as speaker (username, credentials) ✔ Submit talk ✔ Accept offer (bio, photo) ✔ View evaluation ✔
  • 98. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 99. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 100. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● "Evaluation System" = Voting on talks ● Event Staff responsibilities are Out-of-Scope ● Promotions (Ticketing & sales) are Out-of-Scope ● Speaker confirmation is done "offline" via email ● A speaker is also an attendee ● Need to cater for return speakers and attendees ● Organisers can see all evaluations for a conference
  • 101. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview What are your key business processes?
  • 102. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview http://bit.ly/ndc-kata ● ● ● What are your key business processes?
  • 103. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview What are your key business processes?
  • 104. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Making The GradeA very large and populous state would like a new system to support standardized testing across all public school systems grades 3-12. Users: 40,000+ students, 2000 graders, 50 administrators. Requirements: ● Students will only be able to use the application within testing centers around the state, most of these will be in the schools, but not all of them ● Students should be able to take a test, and the results eventually consolidated to a single location representing all of the test scores across the state (by school, teacher, and student). ● Tests will be multiple choice, short answer, and essay. ● The system should have a reporting system to know which students have taken the tests and what score they received. ● Short answer and essay questions will be manually graded by teachers, who will then add the essay grades to the system. Additional Context: A change approval processes involving three different government agencies is required for changes to the way student grades are kept to ensure security; The state does not own its hosting center, but outsources it to a third party; Project must defend its budget each fiscal year.
  • 105. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● Testing centres are staffed by administrators ● Hosting centre operations are out-of-scope ● Security & data privacy is a key NFR ● A cloud-hosted solution is not feasible ● Testing/Grading/Reporting are independent activities
  • 106. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 107. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 108. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 109. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● Testing centres are staffed by administrators ● Hosting centre operations are out-of-scope ● Security & data privacy is a key NFR ● A cloud-hosted solution is not feasible ● Testing/Grading/Reporting are independent activities ● Graders are allocated work from a pool ● Graders can grade any students' tests ● Reports are generated on request ● All access to student grades must be logged ● There are no Teacher-specific responsibilities
  • 110. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Student... ● ● ● Grader... ● ● The System... ● ● ● ● Administrator... ● ● Report Viewer ● ● System Administrator?...
  • 111. Solution Overview Lorem 1 Lorem 2 Lorem 3 Lorem 5Actors Responsibilities Business Processes Solution Components Solution Overview
  • 112.
  • 113.
  • 114.
  • 115.
  • 116. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 117. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview people software systems
  • 118. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview The System Actor External System
  • 119. Conference Organiser... ● ● ● ● ● Attendee... ● ● ● ● Speaker... ● ● ● ● ● Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 120. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview <<system>> Conference Organising System Hosts content and gathers feedback <<person>> Speaker <<person>> Attendee <<person>> Organiser Negotiates speaker slot Submits talks and views feedback Creates sites and manages content Notifies of schedule updates Views schedule, votes on talks, downloads slides
  • 121. How do your actors interact with your system? Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 122. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Student... ● ● ● Grader... ● ● The System... ● ● ● Administrator... ● ● Report Viewer... ●
  • 123. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview <<system>> Testing System Hosts and grades tests, and generates reports <<person>> Student <<person>> Grader <<person>> Report Viewer <<person>> Admin Sits tests Grades tests Manages access to tests Requests and reads reports
  • 124. Solution Components Lorem 1 Lorem 2 Lorem 3 Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 125. NDC
  • 126.
  • 127. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 128. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 129. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 130. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview System Components
  • 131. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Implementation technology
  • 132. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Integration protocols
  • 133. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Context Diagram Container Diagram
  • 134. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 135. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview v8: 150m!!!
  • 136. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview External SaaS
  • 137. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Embedded CMS
  • 138. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Raw AWS
  • 139. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● "Evaluation System" = Voting on talks ● Event Staff responsibilities are Out-of-Scope ● Speaker confirmation is done "offline" via email ● Organisers can see all evaluations for a conference ● A speaker is (by default) also an attendee ● System needs to cater for return speakers and attendees ● Organisers publish slides on behalf of speakers ● Email and SMS feedback is sent directly to organiser ● Email and SMS feedback is manually added ● Attendee payment is Out-of-Scope ● Organiser-Speaker CFP comms is handled by sessionize
  • 140. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ● ● ● space ● ● actors ● gridded paper ● Iterate ● ● orientation ● ● assumptions
  • 141. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview What are the technical components?
  • 142. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview ArchitecturalStyles Monolithic Distributed Layered Microkernel Service-based Event-driven Pipeline Space-based Service-oriented Microservices
  • 143. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 144. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview http://bit.ly/ndc-kata What components are inside your solution?
  • 145. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview What components are inside your solution?
  • 146. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 147. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 148. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Testing Subsystem Reporting Subsystem Grading Subsystem
  • 149. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Rabbit MQ to decouple subsystems
  • 150. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Common identity stores
  • 151. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview What design smells* are visible on an unlabelled architectural diagram? * Not every smell is an issue... but it is certainly worth looking at.
  • 152. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Service Service Service Service Service Service Service Service
  • 153. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Service Service Service Service Service Service Service Service
  • 154. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview External Service Service Service
  • 155. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Service Service Smell: Cyclic Dependency
  • 156. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Service Service Smell: Battle of Trafalgar
  • 157. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 158. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview Service Service DB
  • 160.
  • 161.
  • 163.
  • 164. 3. SHARE Learn through seeing other team's solutions to the same problem. 1. CHOOSE Grab a team. Find some time. Solve a kata that appeals to you. 2. FOCUS Introduce a constraint or focus that is uncomfortable (e.g., robustness).
  • 165.
  • 167.
  • 168. Lorem 1 Lorem 2 Lorem 3 Lorem 5Lorem 4Actors Responsibilities Business Processes Solution Components Solution Overview
  • 169.
  • 170.
  • 171.
  • 173. ● solution design thinking ● logical progression ● speaking their mind ● trade-offs ● architecturally insignificant ● domain knowledge ● time constraints https://bit.ly/kata-recruit
  • 174. Choosing Kata www.architecturalkatas.com nealford.com/katas/ bit.ly/kata-overview Kata Discussion groups.google.com/g/architecturalkatas Kata Example bit.ly/blog-kata Kata for Recruiting bit.ly/kata-recruit Sequence Diagram tools www.websequencediagrams.com github.com/bramp/js-sequence-diagrams C4 Diagrams c4model.com C4 Diagram tools github.com/RicardoNiepel/C4-PlantUML Workshop diagram source github.com/andeemarks/diagrams Workshop presentation bit.ly/ndc-kata-slides
  • 175.