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RFC 3550, "RTP: A Transport Protocol for Real-Time Applications", July 2003

Source of RFC: avt (rai)

Errata ID: 4770
Status: Held for Document Update
Type: Editorial
Publication Format(s) : TEXT

Reported By: Petr Vaněk
Date Reported: 2016-08-08
Held for Document Update by: Ben Campbell
Date Held: 2016-08-08

Section 3. says:

   RTP session: An association among a set of participants
      communicating with RTP.  A participant may be involved in multiple
      RTP sessions at the same time.  In a multimedia session, each
      medium is typically carried in a separate RTP session with its own
      RTCP packets unless the the encoding itself multiplexes multiple
      media into a single data stream.  A participant distinguishes
      multiple RTP sessions by reception of different sessions using
      different pairs of destination transport addresses, where a pair
      of transport addresses comprises one network address plus a pair
      of ports for RTP and RTCP.  All participants in an RTP session may
      share a common destination transport address pair, as in the case
      of IP multicast, or the pairs may be different for each
      participant, as in the case of individual unicast network
      addresses and port pairs.  In the unicast case, a participant may
      receive from all other participants in the session using the same
      pair of ports, or may use a distinct pair of ports for each.

It should say:

   RTP session: An association among a set of participants
      communicating with RTP.  A participant may be involved in multiple
      RTP sessions at the same time.  In a multimedia session, each
      medium is typically carried in a separate RTP session with its own
      RTCP packets unless the encoding itself multiplexes multiple
      media into a single data stream.  A participant distinguishes
      multiple RTP sessions by reception of different sessions using
      different pairs of destination transport addresses, where a pair
      of transport addresses comprises one network address plus a pair
      of ports for RTP and RTCP.  All participants in an RTP session may
      share a common destination transport address pair, as in the case
      of IP multicast, or the pairs may be different for each
      participant, as in the case of individual unicast network
      addresses and port pairs.  In the unicast case, a participant may
      receive from all other participants in the session using the same
      pair of ports, or may use a distinct pair of ports for each.

Notes:

typo: double the in 5th line.

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