What are the interaction modes of microservices

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1. There are several ways to interact with traditional application services:

ESB bus: WebService and other SOA architectures

Data sharing cache: Redis

Data sharing databases: Oracle, MySQL, etc.

two。 The shortcomings of traditional interaction

There are multiple contracts: interface contract and data storage contract

Upstream data format changes, affecting downstream processing logic

Sharing resources and services, it is difficult for operation and maintenance to draw a clear line between responsibilities and boundaries.

When dual computer rooms are deployed independently, service calls across computer rooms cannot use independent resource deployment patterns, so it is difficult to achieve service autonomy.

3. The mode of microservice:

De-ESB bus, decentralized and distributed

Use well-defined interfaces and do not allow shared data, such as REST API or transparent RPC invocation frameworks

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