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Protocol Design

Protocol Negotiation

The process by which client and server agree on which protocol version or features to use for communication, such as ALPN for HTTP/2 or TLS version negotiation.

Related Protocols

HTTP gRPC

Mentioned in Guides

Migrating from HTTP/1.1 to HTTP/2 Migration & Upgrades

See Also

TLS Handshake Security
Protocol Upgrade Protocol Design
Backward Compatibility Protocol Design
Extension Mechanism Protocol Design
WebSocket Subprotocol Real-Time & Streaming
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