A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Datagram Congestion Control Protocol Working 
Group of the IETF.


        Title           : DCCP Simultaneous-Open Technique to Facilitate 
NAT/Middlebox Traversal
        Author(s)       : G. Fairhurst
        Filename        : draft-ietf-dccp-simul-open-03.txt
        Pages           : 28
        Date            : 2008-09-26

This document specifies an update to the Datagram Congestion Control
Protocol (DCCP), a connection-oriented and datagram-based transport
protocol.  The update adds support for the DCCP-Listen packet.  This
assists DCCP applications to communicate through middleboxes (e.g. a
DCCP server behind a firewall, or Network Address Port Translators),
where establishing necessary middlebox state requires peering
endpoints to initiate communication in a near-simultaneous manner.

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