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First, it solves the problem of complexity. It breaks down a terrible, huge overall application into a set of services. While the overall function has not changed, the application has been broken down into manageable modules or services. Each service has clearly defined boundaries in the form of RPC or message-driven API. The micro-service architecture pattern enhances a certain degree of modularity, which is difficult to achieve in the overall application. As a result, individual services can be developed faster and easier to understand and maintain.

Second, this architecture allows each service to be developed independently by a separate team that can focus on a particular service. Developers are free to choose a reasonable technology, as long as the service complies with the API agreement. Of course, most organizations want to avoid confusing and completely unlimited technology choices. Then this freedom means that developers are no longer limited to starting new projects using technologies that may be out of date. When starting to write a new service, they can choose to use the current technology. And because the service is relatively small, it is feasible to rewrite the old service using the current technology.

Third, the micro-service architecture pattern enables each micro-service to be deployed independently. Developers no longer need to adjust local changes to their services and deploy them. Various types of changes can be deployed immediately when they are tested. The UI team can also do this, for example, when UI changes, it can perform A | B tests and iterate quickly. The micro-service architecture model makes continuous deployment possible.

Finally, the micro-service architecture pattern enables each service to be extended independently. You can deploy a large number of service instances that exactly meet the required capacity and valid constraints. In addition, you can use the hardware that best matches the service resource requirements. For example, you can deploy a dense CPU mirroring service instance on a computationally optimized EC2 and an in-memory database service instance on a memory-optimized EC2.

Based on micro-service architecture and related technologies, Neusoft SaCa ACAP provides a new model of product development, including development methodology, technical support and best practices.

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