Systems Archticture
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This document discusses several common software architectural patterns, including layered, client-server, and pipe-filter patterns. It defines an architectural pattern as a general and reusable solution to a recurring problem in software architecture. The layered pattern structures programs into groups of subtasks at different levels of abstraction, with each layer providing services to the next. Client-server pattern consists of a server providing services to multiple clients. Pipe-filter pattern involves data processing in a series of steps where each step modifies the output of the previous.
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Distributed information sys
Distributed information systems (DIS) connect autonomous information systems through network communication to allow for collaboration. A DIS is assumed to be decentralized and potentially incomplete. Distributed information system development (DISD) involves decomposing the development process and having different partners take on autonomous phases while located in different places. This approach aims to increase productivity and reduce costs while bringing together diverse skills. Scaling multi-tier DIS involves techniques like using faster machines, clustering, specializing machines, segmenting and batching workloads, aggregating data, managing connections, and caching to improve performance as the system grows in size and complexity.
Software Architecture Design Patterns
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SA_UNIT_1.pptx
Software Archtecture.
Software design is a process to transform user requirements into some suitable form, which helps the programmer in software coding and implementation.
Software design is the important step in SDLC (Software Design Life Cycle), which moves the concentration from problem domain to solution domain. It tries to specify how to fulfill the requirements mentioned in SRS.
Software design plays an important role in developing software: during software design, software engineers produce various models that form a kind of blueprint of the solution to be implemented
Dairy management system project report..pdf
ASP.NET is the next version of Active Server Pages (ASP); it is a unified Web development platform that provides the services necessary for developers to build enterprise-class Web applications. While ASP.NET is largely syntax compatible, it also provides a new programming model and infrastructure for more secure, scalable, and stable applications. ASP.NET is a compiled, NET-based environment, we can author applications in any .NET compatible language, including Visual Basic .NET, C#, and JScript .NET. Additionally, the entire .NET Framework is available to any ASP.NET application. Developers can easily access the benefits of these technologies, which include the managed common language runtime environment (CLR), type safety, inheritance, and so on. ASP.NET has been designed to work seamlessly with WYSIWYG HTML editors and other programming tools, including Microsoft Visual Studio .NET. Not only does this make Web development easier, but it also provides all the benefits that these tools have to offer, including a GUI that developers can use to drop server controls onto a Web page and fully integrated debugging support.
Distributed architecture (SAD)
Subject: Software Architecture Design
Topic: Distributed Architecture
In this presentation, you will learn about design pattern, softawre architecture, distributed architecture, basis of distributed architecture, why distributed architecture, need of distributed architecture, advantages and disadvantages of DA and much more.
Rate my presentation, It's designed graphically.
L02 Architecture
Hugtakið hugbúnaðararkítektúr er yfirhlaðið orð og þýðir mismunandi hluti fyrir mismunandi fólk. Við ætlum í þessum fyrirlestri að skilgreina ýmis hugtök tengd arkítektúr til að fá betri skilning á þessu. Við munum einnig skilgreina hvað agile arkítektúr þýðir eða hvað það þýðir ekki. Þá skoðum við monolith arkítektúr sem er hinn hefðbundi arkítektúr sem flestir nota í dag. Vandinn er sá að í dag eru kröfurnar meiri en þessi arkítektúr ræður við og því hafa menn verið að skoða aðrar leiðir eins og lightweight Service Oriented Architecture og hvernig smíða má hugbúnað sem þjónustur eða microapps eða microservice.
Við skoðum einnig lagskiptingu en það er elsta trikkið í bókinni og byggir á deila og drottna aðferðinni.
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The document discusses various software process models including waterfall, iterative, incremental, evolutionary (prototyping and spiral), and component-based development models. It describes the key activities and characteristics of each model and discusses when each may be applicable. The waterfall model presents a linear sequential flow while evolutionary models like prototyping and spiral are iterative and incremental to accommodate changing requirements.
Sdlc
The document discusses various phases of the software development life cycle (SDLC) including analysis, design, coding, and testing.
In the analysis phase, it discusses software requirements specifications, business analysts, and their roles in initiating projects, elaborating details, and supporting implementation.
The design phase covers use case diagrams, data flow diagrams, sequence diagrams, and class diagrams. It provides examples of how to draw and use each type of diagram.
Coding involves programming languages like Java. Testing discusses the JUnit testing framework and Selenium, an open source web testing tool, covering their features and why Selenium is commonly used for automated testing.
Sdlc
The document discusses various phases of the software development life cycle (SDLC) including analysis, design, coding, and testing.
In the analysis phase, it discusses software requirements specifications, business analysts, and their roles in initiating projects, elaborating details, and supporting implementation.
The design phase covers use case diagrams, data flow diagrams, sequence diagrams, and class diagrams. It provides examples of how to draw and use each type of diagram.
Coding involves programming languages like Java. Testing discusses the JUnit testing framework and Selenium, an open source web testing tool, covering their features and why Selenium is commonly used for automated testing.
Ms cloud design patterns infographic 2015
Ms cloud design patterns info graphic 2015, Copyright to Microsoft, Downloaded from https://sway.com/FJ2xsyWtkJc2taRD
MS Cloud Design Patterns Infographic 2015
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Third AssignmentDescribe in 100 – 200 words an application with .docx
Third Assignment
Describe in 100 – 200 words an application with which you are familiar. This should be an application with which other students and the course instructor are likely to be familiar. An example would be Microsoft Word. Then, select one of the architectural design styles given in the presentation on Architectural Design. Explain why this style is appropriate for the application you described. Then apply this style to the application and explain the result in enough detail that your fellow students are likely to understand.
Organization of your submission
Third Assignment
Your name
Submission Date
Application Description
Style you have selected
Why this style is appropriate for this application
The application’s architecture using this style
Explanation of this architecture (show how some common tasks for this application might be performed using this architecture)
Grading Rubric
Criterion
Points
Application description is well-organized
5
Style choice is one of the styles described
2
Style choice is effectively justified
8
Presented architecture uses the selected style
3
Presented architecture is complete
4
Architecture is described clearly
8
Chapter 7:
Design: Architecture and Methodology
1
Design Topics Covered
Architectural vs. detailed design
“Common” architectural styles, tactics, and reference architectures
Basic techniques for detailed design
Basic issues with user-interface design
2
Design
Starts mostly from/with requirements (evolving mostly from functionalities and other non-functional characteristics).
How is the software solution going to be structured?
What are the main components—(functional comp)?
Often directly from requirements’ functionalities
(use cases).
How are these components related?
Possibly re-organize the components (composition/decomposition).
Two main levels of design:
Architectural (high level)
Detailed design
How should we depict design—notation/language?
3
Relationship between Architecture and Design
Detailed Design
Comes from
Requirements &
Architecture
4
Software Architecture
Structure(s) of the solution, comprising:
Major software elements
Their externally visible properties
Relationships among elements
Every software system has an architecture.
May have multiple structures!
Multiple ways of organizing elements, depending on the perspective
External properties of components (and modules)
Component (module) interfaces
Component (module) interactions, rather than internals of components and modules
5
Views and Viewpoints
View – representation of a system structure
4+1 views (by Krutchen)
Logical (OO decomposition – key abstractions)
Process (run-time, concurrency/distribution of functions)
Subsystem decomposition
Physical architecture
+1: use cases
Other classification (Bass, Clements, Kazman)
Module
Run-time
Allocation (mapping to development environment)
Different views for different people
6
Architectural Styles/Patterns
Pipes a.
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- 3. What is an Architectural Pattern? According to Wikipedia, An architectural pattern is a general, reusable solution to a commonly occurring problem in software architecture within a given context. Architectural patterns are similar to software design pattern but have a broader scope.
- 4. SA Types Layered pattern Client-server pattern Master-slave pattern Pipe-filter pattern Broker pattern Peer-to-peer pattern Event-bus pattern Model-view-controller pattern Blackboard pattern Interpreter pattern
- 5. 1. Layered pattern This pattern can be used to structure programs that can be decomposed into groups of subtasks, each of which is at a particular level of abstraction. Each layer provides services to the next higher layer. The most commonly found 4 layers of a general information system are as follows. Presentation layer (also known as UI layer) Application layer (also known as service layer) Business logic layer (also known as domain layer) Data access layer (also known as persistence layer) Usage General desktop applications. E commerce web applications.
- 7. 2. Client-server pattern This pattern consists of two parties; a server and multiple clients. The server component will provide services to multiple client components. Clients request services from the server and the server provides relevant services to those clients. Furthermore, the server continues to listen to client requests. Usage Online applications such as email, document sharing and banking.