What are the differences between Dubbo and Spring Cloud?

The difference between Dubbo and Spring Cloud lies in the fact that they are two separate distributed service frameworks.

1. Architectural design: Dubbo is an RPC framework based on service governance, focusing on high performance and low latency. Spring Cloud is a microservices framework that uses the HTTP protocol, emphasizing decoupling and flexibility among services.
2. Service registration center: Dubbo relies on ZooKeeper or other registration centers for service registration and discovery. On the other hand, Spring Cloud provides its own service registration center, Eureka.
3. Service Invocation: Dubbo uses RPC (Remote Procedure Call) for service invocation, with TCP protocol at the underlying communication layer. Spring Cloud, on the other hand, uses HTTP protocol for service invocation, with RESTful style communication at the underlying layer.
4. Service Gateway: Spring Cloud offers components such as Zuul and Spring Cloud Gateway for managing and routing requests. Dubbo does not provide a corresponding service gateway component.
5. Service monitoring and governance: Dubbo offers a wide range of monitoring and governance features, including service monitoring, traffic control, and load balancing. Spring Cloud provides components such as Actuator and Spring Cloud Sleuth for monitoring and tracking the operation of services.
6. Community support and ecosystem: Dubbo has a large user base and an active community within China, with a mature community ecosystem. In contrast, Spring Cloud, developed by the official Spring team, has a strong international influence, a wide user base, and abundant community resources.

In conclusion, Dubbo and Spring Cloud have significant differences in architecture design, service registration, service invocation, service gateway, monitoring and governance, and ecosystem. The choice of which framework to use should be based on specific business needs and technology stack.