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Proxy-Wasm is a specification and supporting framework for usingWebAssembly (Wasm) to extend the functionality ofnetwork proxies. It enables developers to write custom logic (plugins) that arecompiled to Wasm modules and then loaded and executed by the proxy.

Proxy-Wasm consists of multiple parts:

• AnABI that specifies the low-levelinterface between network proxies and Wasm virtual machines that run theplugins.
• Host implementationsof the ABI, provided by network proxies.
• Language-specific SDKs that layeron top of the ABI, providing a more natural and programmer-friendly API forinvoking and implementing Proxy-Wasm functions and callbacks.

This repository provides the C++ SDK.

• Read theAPI overview to learn aboutProxy-Wasmconcepts and how they arerepresented in the C++ SDK.
• View anexample plugin.
• Refer toAPI documentation.
• Build plugin code.