Dubbo has supported the gRPC protocol since version 2.7.5. For developers who plan to use HTTP/2 communication, or want to take advantage of the capabilities of Stream, backpressure, and Reactive programming brought by gRPC, You can consider enabling the gRPC protocol.
Benefits of supporting gRPC
- Bring service governance capabilities to users who expect to use the gRPC protocol, and facilitate access to the Dubbo system
- Users can use Dubbo-style, interface-based programming style to define and use remote services
scenes to be used
- Synchronous backend microservice-to-microservice communication that requires an immediate response to continue processing.
- Requires a Polyglot environment that supports mixed programming platforms.
- Low latency and high throughput communications where performance is critical.
- Peer-to-peer real-time communication - gRPC pushes messages in real time without polling and has excellent support for bidirectional streaming.
- Network Constrained Environments - Binary gRPC messages are always smaller than equivalent text-based JSON messages.
How to use
Using gRPC in Dubbo
- Define a service using IDL
- Configure the compiler plug-in, precompile locally
- Configure to expose/reference Dubbo service
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