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Apache Traffic Control

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Apache Traffic Control allows you to build a large scale content delivery network using open source. Built around Apache Traffic Server as the caching software, Traffic Control implements all the core functions of a modern CDN.

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GitHub release (latest SemVer) Github commits since release

Build Status 1

Build Status Documentation Status

Code Status 1

Weasel License Checks Go Formatting Go Vet
CodeQL - C++ CodeQL - Go CodeQL - Java CodeQL - Javascript CodeQL - Python

Test Status 1

Component Unit Tests Integration Tests
Go Libraries Go Lib Unit Tests Codecov -
Traffic Ops Traffic Ops Unit Tests Codecov Traffic Ops API Contract Tests TO Go Client Integration Tests Codecov
Traffic Router Traffic Router Tests Codecov TR Ultimate Test Harness
Traffic Monitor Traffic Monitor Unit Tests Codecov TM Integration Tests
T3C T3C Unit Tests Codecov T3C Integration Tests
Traffic Stats Traffic Stats Unit Tests Codecov -
Grove Grove Unit Tests Codecov -
Traffic Portal - TP Integration Tests
TCHC - TC Health Client Integration Tests

Documentation 2

Components 2

  • Traffic Ops is the RESTful API service for management and monitoring of all servers in the CDN.
  • Traffic Portal is the web GUI for managing and monitoring the CDN via the Traffic Ops API.
  • Traffic Router uses DNS and HTTP302 to redirect clients to the closest available cache on the CDN.
  • Traffic Monitor uses HTTP to poll the health of caches and provide this information to Traffic Router.
  • Traffic Stats acquires and stores real-time metrics and statistics into an InfluxDB for charting and alerting.



Questions, Comments, Bugs and More


  1. *Status links point to the unreleased master branch 2 3

  2. Documentation links point to the latest which is the unreleased master branch and are neither stable nor necessarily accurate for any given supported release. 2