Effective Micoservice Design & Containers

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Better Nurses, founded in 1969, is a specialty nursing organization committed to a healthcare system driven by the needs of patients and families in pursuit of the best possible patient care. There are a few very important projects for the organization that aim to offer education, content, and sessions to the members. One project consists in to take a ‘monolith’ application and run it in containers without changing any code. Another project is to build another generation of modern services, microservices if possible, that help to solve performance and deployment issues and at the same time improve scalability. This is a perfect opportunity to explore, assess and implement modern technologies such as containers, container orchestrators and reliable services.

Technology

Better Nurses
Effective Microservice
Design & Containers
Abe BarberenaGil
Software Architect
April 2019

Better Nurses
• Founded in 1969
• Community: 100,000+ nurses
• Specialty nursing organization
committed to a healthcare
system driven by the needs of
patients and families in pursuit
of the best possible patient care.

Why Microservices
• Distributed system evolution is inevitable
• Microservice movement
• Long anticipated emergence
• Lowy, 2007

Current state of microservices
• Fat Website
• Fat API
• Fat Mobile
• Fat Service
• Fat Database
• …

Fat Website/DMZ
Mobile App
Web
(MVC)
DB
Presentation
Internet
DMZ
Intranet
Data
Web App

Fat API/DMZ
Mobile App
Public + Private
Web API
DB
Presentation
Internet
DMZ
Intranet
Data
Web App

Fallacies of microservices
• ‘Overloaded’ term
• AIX administrator: Process running in memory
• Devs: Web API
• Microservices are:
• Small
• Globally accessible
• Public endpoints
• Infinitely reusable
• Own their data
• Solely synchronous
• Client agnostic
• …

Integrated Platform
• Docker and Kubernetes know containers
• Service Fabric knows Services…

Integrated Platform
• Docker and Kubernetes know containers
• Service Fabric knows Services… and containers!

True masters of service orientation
• Cloud builders
• Long doing microservices
• Beyond firewall & Behind firewall
• Beyond website
• Beyond the firewall
• Maximize reach
• Multiplicity of clients
• Raw HTTP
• Web API

True masters of service orientation
• Behind the firewall
• Sockets
• Queues
• Pipes
• Opinionated
• Efficient
• Reliable
• Elastic

Microservice granularity
• Promotes SOLID
• Explicit interface-based
programming model
• Enables
• SRP
• Open-Closed
• ISP
• Dependency Inversion

Integrated Platform
• Addresses full system SDLC
• Prescribed approach for service-oriented systems
• Development
• Deployment
• Solved common coordination problems
• Connectivity
• Security
• Deployment
• Administration

Integrated Platform
• Ensure System Architecture survival
• High visibility
• Fully instrumented
• Multiple API support
• Automated health monitoring
• Can query health metrics

Machine/Node A
Host Process
Fabric
Service
Machine/Node B
Host Process
Fabric
Service
Machine/Node C
Host Process
Fabric
Service
Machine/Node D
Host Process
Fabric
Service
Integrated Platform

Integrated Platform
• Automated
• Deployment
• Hosting
• Updating
• Upgrading
• Scaling
• Decommissioning
• Failover
• Health monitoring
• Self-balancing
• Workload balancing
• Address resolution
• Sate replication and persistence

Microservice design
Microservice:S1
Microservice:C1
Microservice:C2
Microservice:Cn

Modern Software Architecture
Mobile App
Private
Push API
Beyond
DMZ
Behind
Microservices
DB
Web App
Private
Web API
Public
Web API
Public
Push API
Microservice:S1 Microservice:C1
Microservice:C2
Microservice:Cn
Bus = Queues + Pub Sub EXE
Microservice:Sn Microservice:C1
Microservice:C2
Microservice:Cn
. . .
DB

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Apidays New York 2024 - Passkeys: Developing APIs to enable passwordless auth...

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DBX First Quarter 2024 Investor Presentation

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Corporate and higher education May webinar.pptx

Rustici Software

Dubai, known for its towering skyscrapers, luxurious lifestyle, and relentless pursuit of innovation, often finds itself in the global spotlight. However, amidst the glitz and glamour, the emirate faces its own set of challenges, including the occasional threat of flooding. In recent years, Dubai has experienced sporadic but significant floods, disrupting normalcy and posing unique challenges to its infrastructure. Among the critical nodes in this bustling metropolis is the Dubai International Airport, a vital hub connecting the world. This article delves into the intersection of Dubai flood events and the resilience demonstrated by the Dubai International Airport in the face of such challenges.

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Effective Micoservice Design & Containers

1. Better Nurses Effective Microservice Design & Containers Abe BarberenaGil Software Architect April 2019

2. Better Nurses • Founded in 1969 • Community: 100,000+ nurses • Specialty nursing organization committed to a healthcare system driven by the needs of patients and families in pursuit of the best possible patient care.

3. Tech Stack Modernization

4. Tech Stack Modernization • Lift & Shift

5. Why Microservices • Distributed system evolution is inevitable • Microservice movement • Long anticipated emergence • Lowy, 2007

6. Current state of microservices • Fat Website • Fat API • Fat Mobile • Fat Service • Fat Database • …

7. Fat Website/DMZ Mobile App Web (MVC) DB Presentation Internet DMZ Intranet Data Web App

8. Fat API/DMZ Mobile App Public + Private Web API DB Presentation Internet DMZ Intranet Data Web App

9. Fallacies of microservices • ‘Overloaded’ term • AIX administrator: Process running in memory • Devs: Web API • Microservices are: • Small • Globally accessible • Public endpoints • Infinitely reusable • Own their data • Solely synchronous • Client agnostic • …

10. Integrated Platform • Docker and Kubernetes know containers • Service Fabric knows Services…

11. Integrated Platform • Docker and Kubernetes know containers • Service Fabric knows Services… and containers!

12. True masters of service orientation • Cloud builders • Long doing microservices • Beyond firewall & Behind firewall • Beyond website • Beyond the firewall • Maximize reach • Multiplicity of clients • Raw HTTP • Web API

13. True masters of service orientation • Behind the firewall • Sockets • Queues • Pipes • Opinionated • Efficient • Reliable • Elastic

14. Microservice granularity • Promotes SOLID • Explicit interface-based programming model • Enables • SRP • Open-Closed • ISP • Dependency Inversion

15. Integrated Platform • Addresses full system SDLC • Prescribed approach for service-oriented systems • Development • Deployment • Solved common coordination problems • Connectivity • Security • Deployment • Administration

16. Integrated Platform • Ensure System Architecture survival • High visibility • Fully instrumented • Multiple API support • Automated health monitoring • Can query health metrics

17. Machine/Node A Host Process Fabric Service Machine/Node B Host Process Fabric Service Machine/Node C Host Process Fabric Service Machine/Node D Host Process Fabric Service Integrated Platform

18. Machine/Node A Host Process Fabric Service Machine/Node B Host Process Fabric Service Machine/Node C Host Process Fabric Service Machine/Node D Host Process Fabric Service Integrated Platform

19. Integrated Platform • Automated • Deployment • Hosting • Updating • Upgrading • Scaling • Decommissioning • Failover • Health monitoring • Self-balancing • Workload balancing • Address resolution • Sate replication and persistence

20. Microservice design Microservice:S1 Microservice:C1 Microservice:C2 Microservice:Cn

21. Modern Software Architecture Mobile App Private Push API Beyond DMZ Behind Microservices DB Web App Private Web API Public Web API Public Push API Microservice:S1 Microservice:C1 Microservice:C2 Microservice:Cn Bus = Queues + Pub Sub EXE Microservice:Sn Microservice:C1 Microservice:C2 Microservice:Cn . . . DB

22. Modern Software Architecture Mobile App Private Push API Beyond DMZ Behind Microservices DB Web App Private Web API Public Web API Public Push API Microservice:S1 Microservice:C1 Microservice:C2 Microservice:Cn Bus = Queues + Pub Sub EXE Microservice:Sn Microservice:C1 Microservice:C2 Microservice:Cn . . . DB

23. Questions?

24. Thank you

Effective Micoservice Design & Containers

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