Reserving N and N+1 Ports with PCP

Document Type Replaced Internet-Draft (individual)
Last updated 2013-04-15 (latest revision 2012-10-15)
Replaced by draft-ietf-pcp-port-set
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document defines a new PCP Option to reserve a pair of ports (N and N+1) by a PCP-controlled device while preserving the parity and contiguity. This PCP Option eases the NAT traversal for applications having requirements on the port parity and contiguity (e.g., RTP/ RTCP).


Mohamed Boucadair (
Senthil Sivakumar (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)