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gRPC Implementation in Python

A demo gRPC-based client-server application showcasing different types of gRPC calls.

What is gRPC?

gRPC is an open-source framework created by Google for remote procedure calls (RPC). It uses the HTTP/2 protocol to send messages in binary format. These messages are serialized and deserialized using Protocol Buffers to define data structures and services.

Types of gRPC Calls

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  1. Unary

    • The client sends a single request to the server and receives a single response.

  2. Server Streaming

    • The client sends a single request to the server and receives a stream of responses. The server sends multiple responses and finishes with a status message once all responses are sent.

  3. Client Streaming

    • The client sends a stream of requests to the server. Once the client has finished sending messages, the server processes these requests and sends back a single response.

  4. Bi-Directional Streaming

    • Both the client and server send streams of messages to each other. This happens parallel, meaning messages can be sent and received in any order.