[Sip] TOTE - "INFO" on the media path: Comment on TCP ICE lite

["Christer Holmberg" <[e-mail]>]

 
Hi Jonathan,
 
Chapter 2 of the draft says:
 
"All TOTE implementations support at least the lite versionof Interactive Connectivity Establishment (ICE) for TCP [I-D.ietf-mmusic-ice-tcp]."
 
Now, as far as I know we haven't specified any ICE lite procedures for TCP. ice-tcp-05 (do I read the wrong version?) also says:
 
"Because this specification requires multiple candidates for a media stream, it is not compatible with ICE's lite implementation, and can only be used by full implementations."
 
Now, different alternatives regarding this were discussed in Vancouver, and one of the proposals discussed was to implementing "TCP ICE lite" simply by removing the candidates, use the RFC 4145 "fallback" - and specify that ICE could still be used for UDP based streams.
 
As you said, though, I guess the detailed discussion of the proposal belongs to MMUSIC...
 
Regards,
 
Christer


 

________________________________

From: [e-mail] on behalf of Jonathan Rosenberg
Sent: Sat 16/02/2008 01:54
To: IETF SIP List
Subject: [Sip] New I-D - TOTE - "INFO" on the media path



I just submitted a new I-D, which proposes a protocol called TOTE:
http://www.ietf.org/internet-drafts/draft-rosenberg-sip-tote-00.txt

Basically, TOTE provides the ability to exchange MIME objects of any
type and "purpose" over a tcp/tls connection established e2e through SDP
O/A procedures and ICE-tcp. This ties into the INFO disussion; it
provides the media-plane equivalent of the INFO-events framework.

This draft should arguably go in mmusic but since the INFO debate is
happening here I submitted it as a -sip.

Thanks,
Jonathan R.
--
Jonathan D. Rosenberg, Ph.D.                   499 Thornall St.
Cisco Fellow                                   Edison, NJ 08837
Cisco, Voice Technology Group
[e-mail]
http://www.jdrosen.net <http://www.jdrosen.net/>                          PHONE: [phone]
http://www.cisco.com <http://www.cisco.com/> 
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