Simple Update Protocol

Simple Update Protocol, or SUP, is a protocol developed by FriendFeed to simplify and speed up RSS and Atom. A few websites supported SUP for a while, meaning that updates from their services appeared in FriendFeed within seconds,[1] until support was dropped, and eventually FriendFeed itself shutdown 2015-04-09. These sites include Disqus, Identi.ca, reddit.[2]

Past Support

Brightkite

Brightkite supported SUP[3] but was itself shutdown in April 2012.

YouTube

YouTube supported SUP according to YouTube v2 API SUP documentation, yet as that reference says "The YouTube Data API (v2) has been officially deprecated as of March 4, 2014."

YouTube Data API (v3) supports push notifications via PubSubHubbub instead and no longer has SUP section.

References
  1. Paul Buchheit. Simple Update Protocol: Fetch updates from feeds faster, FriendFeed Blog, August 27, 2008.
  2. Paul Buchheit. Simple Update Protocol: Update, FriendFeed Blog, December 18, 2008.
  3. Paul Buchheit. Simple Update Protocol: Fetch updates from feeds faster, FriendFeed Blog, August 27, 2008.

See also


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