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Microservices Design Patterns | Edureka
The document discusses the principles and concepts of microservices, defining them as an architectural style that uses small, autonomous services focused on business capabilities. It outlines the importance of design patterns in microservices, presenting various patterns such as aggregator, API gateway, and circuit breaker, which help in structuring and managing these services effectively. Additionally, it highlights key principles such as decentralization, scalability, and continuous monitoring, which are vital for successful microservice implementations.
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Microservices Design Patterns | Edureka
- 2. www.edureka.co PRINCIPLES BEHIND MICROSERVICES WHATARE MICROSERVICES? WHAT ARE DESIGN PATTERNS? WHY DO WE NEED DESIGN PATTERNS? MICROSERVICES DESIGN PATTERNS
- 3. WHY DO WENEED DESIGN PATTERNS? www.edureka.co
- 4. WHY DO WENEED DESIGN PATTERNS? www.edureka.co Process 1 Process 2 Process 3 Works Successfully Shows few errors Shows few errors
- 5. WHY DO WENEED DESIGN PATTERNS? www.edureka.co So, the development team cannot build the application using the process 2and 3
- 6. WHY DO WENEED DESIGN PATTERNS? www.edureka.co By using Design Patterns, the team working on various projects use the same pattern to build similar applications.
- 7. WHAT ARE DESIGNPATTERNS? www.edureka.co
- 8. WHAT ARE DESIGNPATTERNS? Software Design Pattern can be defined as a software template or a description to solve a problem that occurs in multiple instances while designing a Software Application or a Software Framework. DESIGNPATTERN www.edureka.co
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- 10. WHAT ARE MICROSERVICES? Microservices,aka Microservice Architecture, is an architectural style that structures an application as a collection of small autonomous services, modelled around a business domain. In a Microservice Architecture, each service is self-contained and implements a single business capability. MICROSERVICES www.edureka.co
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- 12. PRINCIPLES BEHIND MICROSERVICES Independent& Autonomous Services DecentralizationScalability Resilient Services Real Time Load Balancing Availability Continuous delivery through DevOps Integration Seamless API Integration & Continuous Monitoring Auto -Provisioning Isolation from Failures www.edureka.co
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- 15. AGGREGATOR www.edureka.co Collects Related ItemsOf Data And Displays Them Based On DRY Principle Aggregator Service A Service B
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- 17. API GATEWAY www.edureka.co Can ConvertThe Protocol Request From One Type To Other API Gateway Acts As An Entry Point To Forward The Clients Requests To Appropriate Microservices API GatewayClient Load Balancer Service A Service B
- 18. CHAINED OR CHAINOF RESPONSIBILITY www.edureka.co
- 19. CHAINED OR CHAINOF RESPONSIBILITY www.edureka.co Produces A Single Output Which Is A Combination Of Multiple Chained Outputs. Use Synchronous HTTP Request Or Response For Messaging Service A Service B Service C
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- 21. ASYNCHRONUS MESSAGING www.edureka.co All TheServices Can Communicate With Each Other, But They Do Not Have To Communicate With Each Other Sequentially Service A Service B Service C Queue
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- 23. DATABASE www.edureka.co Database Per ServiceShared Database Service A Service B Service C Service D
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- 25. EVENT SOURCING www.edureka.co Creates EventsRegarding The Changes In The Application State EventsPresentation Layer Event Store Materialized View Query for Current State External Systems
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- 27. BRANCH www.edureka.co Simultaneously Process TheRequests And Responses From Two Or More Independent Microservices Service A Service B Service C Service D
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- 29. CQRS www.edureka.co Application Is DividedInto Two Parts: Command And Query Command write Query read Command Part Handles All The Requests Related To CREATE, UPDATE, DELETE. Query Part Takes Care Of The Materialized Views
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- 31. CIRCUIT BREAKER www.edureka.co Used ToStop The Process Of Request And Response If A Service Is Not Working. Remote ServiceClient Load Balancer Service A Service C Circuit Breaker Service B Down Service
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- 33. DECOMPOSITION www.edureka.co Decomposition of ApplicationsAccording To Sub-Domains of Application Business Capability Strangler or Vine Pattern
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