Introduction to gRPC for Microservice Communication > 자유게시판

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gRPC is a high-performance RPC framework using Protocol Buffers. Protocol Buffers define service interfaces and message structures in .proto files. Code generation creates client and server stubs in multiple languages. HTTP/2 enables multiplexed streaming and reduced latency. Unary RPC sends single request and receives single response. Server streaming sends multiple responses to one request. Client streaming sends multiple requests for one . Bidirectional streaming enables real-time messaging both ways. Deadlines and timeouts enforce request completion limits. Metadata passes additional context like authentication tokens. Interceptors implement cross-cutting concerns like logging and metrics. Load balancing with gRPC requires understanding connection management. gRPC-web enables browser clients with Envoy proxy. Error handling uses status codes with detailed error messages. Channels manage connections with configurable keepalive. SSL/TLS encryption secures gRPC communications. Reflection API enables debugging tools like grpcurl. gRPC is ideal for internal microservice communication. Performance improvements over REST JSON can be 7-10x. Learning Protocol Buffers is required for gRPC development.