A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : STUN Extensions for Authenticated Firewall Traversal
Author(s) : Tirumaleswar Reddy
Muthu Arul Mozhi Perumal
Dan Wing
Filename : draft-reddy-rtcweb-stun-auth-fw-traversal-00.txt
Pages : 14
Date : 2012-07-08
Abstract:
Some networks deploy firewalls configured to block UDP traffic. When
SIP user agents or WebRTC endpoints are deployed behind such
firewalls, media cannot be sent over UDP across the firewall, but
must be sent using TCP (which causes a different user experience) or
through a session border controller.
This draft describes an alternate model wherein extensions to ICE
connectivity checks can be examined by the firewall to permit
outgoing UDP flows across the firewall.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-reddy-rtcweb-stun-auth-fw-traversal
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-reddy-rtcweb-stun-auth-fw-traversal-00
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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