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Microservices
- 1. Microservices Enhancement of ServiceOriented Architecture(SAO) Gyenendra Yadav Jindal Steel & Power Ltd
- 2. Applications Architecture MonolithicArchitecture Best choice for current applications Support for browser, native mobile applications and API for third pary applications Microservice Architecture Best choice for Complex and high scale applications. Few software community claim that the idea is just a rebranding of service-oriented architecture (SOA)
- 3. What is Many organizations,such as Amazon, eBay, and Netflix, have solved this problem by adopting what is now known as the Microservices Architecture pattern. Instead of building a single monstrous, monolithic application, the idea is to split your application into set of smaller, interconnected services. A service typically implements a set of distinct features or functionality, such as order management, customer management, etc. Each microservice is a mini- application that has its own hexagonal architecture consisting of business logic along with various adapters. Some microservices would expose an API that’s consumed by other microservices or by the application’s clients. Other microservices might implement a web UI. At runtime, each instance is often a cloud virtual machine (VM) or a Docker container.
- 4. Benefits of Microservices Good for agile development and delivery of complex enterprise applications. Tackles the problem of complexity It decomposes Monolithic application into a set of services. Microservices Architecture pattern enforces a level of modularity. Fast development, and much easier to understand and provide high level of maintainability. The developers are free to choose whatever technologies. And option of using current technology Due to Modularity feasible to rewrite services. Finally, the Microservices Architecture pattern enables each service to be scaled independently. You can deploy just the number of instances of each service that satisfy its capacity and availability constraints. Moreover, you can use the hardware that best matches a service’s resource requirements. For example, you can deploy a CPU-intensive image processing service on EC2 Compute Optimized instances and deploy an in-memory database service on EC2 Memory-optimized instances
- 5. Drawbacks of Microservices Complexity due to distributed system. Decompose the application. Partitioned database architecture (Transactions, Constraints ovulation). Implementing changes that span multiple services. Deploying a microservices-based application is also much more complex.
- 6. Monolithic Architecture Taxi-hailingapplication.
- 7. Microservices Architecture Amonolithic application decomposed into microservices Each functional area of the application is implemented by its own microservice. exposes a REST API Inter-service communication
- 8. Y axis functional decomposition Scale bysplitting different things X axis - horizontal duplication Scale by cloning
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