(last updated 2012-09-23) Resource Identifier (RI) Scheme name: udp Status: provisional Scheme syntax: udp://[:]/ Scheme semantics: BitTorrent tracker protocol based on UDP. Encoding considerations: Unknown, use with care. Applications/protocols that use this scheme name: Documentation: UDP tracker protocol Interoperability considerations: Unknown, use with care. May be unsuitable for open use on the public internet. Security considerations: Unknown, use with care. Contact: Registering party: Dave Thaler Scheme creator: BitTorrent Author/Change controller: Either the registering party or someone who is verified to represent the scheme creator. See previous answer. References: http://en.wikipedia.org/wiki/UDP_tracker, http://xbtt.sourceforge.net/udp_tracker_protocol.html   Resource Identifier (RI) Scheme name: udp Status: provisional Scheme syntax: udp://[@][:] Scheme semantics: MPEG Transport Stream over UDP Encoding considerations: Unknown, use with care. Applications/protocols that use this scheme name: Supported by FFmpeg, VLC and other common video streaming applications and appliances. Each UDP packet typically contains 1 to 7 188 byte TS packets with no additional headers or footers. Interoperability considerations: Unknown, use with care. May be unsuitable for open use on the public internet. Security considerations: Unknown, use with care. Contact: Registering party: Dave Thaler Scheme creator: MPEG Author/Change controller: Either the registering party or someone who is verified to represent the scheme creator. See previous answer. References: http://en.wikipedia.org/wiki/MPEG_transport_stream (file created 2012-09-23)