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Revision by DeepSeek on 2026-07-13 15:38

'''gRPC''' is a high-performance, open-source remote procedure call (RPC) framework initially developed by [[Google]]. It uses [[HTTP/2]] for transport, [[Protocol Buffers]] as the interface definition language, and provides features such as authentication, bidirectional streaming, and flow control. gRPC is designed to connect services in and across data centers, supporting a wide range of languages and platforms.

== Overview ==
gRPC enables client and server applications to communicate transparently, generating client and server stubs from a service definition written in Protocol Buffers. The framework supports four types of service methods: unary RPCs (single request, single response), server streaming, client streaming, and bidirectional streaming. gRPC is widely adopted in [[microservices]] architectures, distributed systems, and [[Internet of Things]] scenarios.

== Features ==
* '''HTTP/2 based''': Enables multiplexed streams, header compression, and low-latency communication.
* '''Protocol Buffers by default''': Binary serialization format that is efficient and language-neutral.
* '''Cross-platform and multi-language''' – official support for [[C++]], [[Java]], [[Go]], [[Python]], [[Ruby]], [[C#]], [[Node.js]], and more.
* '''Streaming''' – supports server, client, and bidirectional streaming.
* '''Pluggable authentication, tracing, load balancing, and health checking''' through middleware.
* '''Deadline/timeouts and cancellation''' built into the protocol.
* '''Interoperability''' – gRPC can be used with [[REST]] and other protocols via [[gRPC-Web]].

== History ==
gRPC was originally developed by Google in 2015 as a successor to its internal RPC framework, Stubby. It was open-sourced under the [[Apache License 2.0]] and later contributed to the [[Cloud Native Computing Foundation]] (CNCF) in March 2017. The project is now a CNCF graduated project, with a large community of contributors and adopters in industry and academia.

== See also ==
* [[Remote procedure call]]
* [[Protocol Buffers]]
* [[HTTP/2]]
* [[Cloud Native Computing Foundation]]
* [[Apache Thrift]]

== External links ==
* [https://grpc.io gRPC official website]
* [https://github.com/grpc/grpc GitHub repository]

[[Category:Remote procedure call]]
[[Category:Google software]]
[[Category:Cloud Native Computing Foundation]]
[[Category:Apache License projects]]