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# WebSocket protocol
This directory contains the implementation of
[the WebSocket protocol](https://tools.ietf.org/html/rfc6455).
## Design docs
* [WebSocketBasicHandshakeStream design
memo](https://docs.google.com/document/d/1r7dQDA9AQBD_kOk-z-yMi0WgLQZ-5m7psMO5pYLFUL8/edit).
Some details have changed, but still a mostly-accurate description of
Chromium's current implementation.
* [WebSocket Throttling
Design](https://docs.google.com/document/d/1a8sUFQsbN5uve7ziW61ATkrFr3o9A-Tiyw8ig6T3puA/edit)
discusses how we enforce WebSocket connection throttling. Also contains
detailed discussion of how WebSockets integrate with the socket pools. Dates
from 2014, but still mostly relevant.
* [WebSockets over
HTTP/2](https://docs.google.com/document/d/1ZxaHz4j2BDMa1aI5CQHMjtFI3UxGT459pjYv4To9rFY/edit).
Current as of 2019 description of WebSocket over H/2 implementation.
* [WebSocket + Network Service + WebRequest
API](https://docs.google.com/document/d/1L85aXX-m5NaV-g223lH7kKB2HPg6kMi1cjrDVeEptE8/edit):
design for how extension callbacks are called when the network service is
enabled.
* [WebSocket HTTP Auth
Design](https://docs.google.com/document/d/129rLtf5x3hvhP5rayLiSxnEjOXS8Z7EnLJgBL4CdwjI/edit).
This document is very low on detail, but can serve as an overview of how auth
works for WebSockets.
* [Per-renderer WebSocket
throttling](https://docs.google.com/document/d/1aw2oN5PKfk-1gLnBrlv1OwLA8K3-ykM2ckwX2lubTg4/edit).
While the algorithm described in this document is still used, the code has
moved around significantly due to network servicification.
* [WebSocket Protocol Stack in
chrome/net](https://docs.google.com/document/d/11n3hpwb9lD9YVqnjX3OwzE_jHgTmKIqd6GvXE9bDGUg/edit).
Early design doc for the current implementation. Mostly of historical interest
only.
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