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Apache Traffic Server

Fast, scalable HTTP/1.1 and HTTP/2 caching proxy server.

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Apache Traffic Server is an open-source caching proxy server that caches and reuses frequently-requested web pages, images, and web service calls to improve response times while reducing server load and bandwidth needs. It can also act as a proxy layer for filtering, anonymizing content requests, or adding load balancing, and it handles high request volumes on modern SMP hardware.

The server supports HTTP/1.1 and HTTP/2, with ongoing development for emerging web standards and protocols. It is extensible through plug-ins that can modify HTTP headers, handle ESI requests, or implement custom cache algorithms. Apache Traffic Server is distributed under the Apache License, Version 2.0, and is available through the Apache Software Foundation's download and documentation resources.

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