Re: [MMUSIC] I-D Action: draft-ietf-mmusic-media-path-middleboxes-05.txt

Only the draft version number and date were updated to prevent expiration pending WG decision on its fate.

Thanks,

Gonzalo

On Jul 11, 2012, at 1:00 AM, Internet-Drafts@ietf.org wrote:

> 
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the Multiparty Multimedia Session Control Working Group of the IETF.
> 
> 	Title           : Analysis of Middlebox Interactions for Signaling Protocol Communication along the Media Path
> 	Author(s)       : Brian Stucker
>                          Hannes Tschofenig
>                          Gonzalo Salgueiro
> 	Filename        : draft-ietf-mmusic-media-path-middleboxes-05.txt
> 	Pages           : 22
> 	Date            : 2012-07-10
> 
> Abstract:
>   Middleboxes are defined as any intermediary box performing functions
>   apart from normal, standard functions of an IP router on the data
>   path between a source host and destination host.  Two such functions
>   are network address translation and firewalling.
> 
>   When Application Layer Gateways, such as SIP entities, interact with
>   NATs and firewalls, as described in the MIDCOM architecture, then
>   problems may occur in the transport of media traffic when signaling
>   protocol interaction takes place along the media path, as it is the
>   case for recent key exchange proposals (such as DTLS-SRTP).  This
>   document highlights problems that may arise.  Unfortunately, it is
>   difficult for the end points to detect or predict problematic
>   behavior and to determine whether the media path is reliably
>   available for packet exchange.
> 
>   This document aims to summarize the various sources and effects of
>   NAT and firewall control, the reasons that they exist, and possible
>   means of improving their behavior to allow protocols that rely upon
>   signaling along the media path to operate effectively.
> 
> 
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-mmusic-media-path-middleboxes
> 
> There's also a htmlized version available at:
> http://tools.ietf.org/html/draft-ietf-mmusic-media-path-middleboxes-05
> 
> A diff from previous version is available at:
> http://tools.ietf.org/rfcdiff?url2=draft-ietf-mmusic-media-path-middleboxes-05
> 
> 
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
> 
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