Re: [MMUSIC] Updated ICE-tcp

[Jonathan Rosenberg <jdrosen at cisco.com>]

When communicating with another comedia-only implementation, I wanted 
the full flexibility of rfc4145.

-Jonathan R.

Christer Holmberg wrote:
> Hi Jonathan,
> 
> I think the draft looks good.
> 
> One question, though: in chapter 3, what is the reason for mandating
> "actpass"? Why won't "passive" work?
> 
> Regards,
> 
> Christer
> 
> ________________________________
> 
> From: mmusic-bounces at ietf.org on behalf of Jonathan Rosenberg Sent:
> Mon 25/02/2008 18:33 To: IETF MMUSIC WG Subject: [MMUSIC] Updated
> ICE-tcp
> 
> 
> 
> I've submitted an updated ICE-tcp: 
> http://www.ietf.org/internet-drafts/draft-ietf-mmusic-ice-tcp-06.txt
> 
> There are two changes:
> 
> * added usage of comedia instead of defining an ice-lite for tcp;
> allow for an offer or answer to have ICE for UDP and just comedia for
> TCP, in which case ICE proceeds. Defined some rules around selection
> of direction attributes needed for interop. This turned out to be 
> relatively easy to incorporate compared to the other approaches we 
> discussed last meeting.
> 
> * generalized the discussion on secure media a bit so it wasn't
> specific to DTLS-SRTP.
> 
> 
> The other big issue that came up at the last IETF was around the
> success rates of ICE-tcp being too low, and that we might need to
> look at port prediction or some of the other techniques defined in
> Saikat's papers to make this better. I have spent some time
> researching this, and will post other notes with the open issues
> here. This is a complex topic, and there is some real experimentation
> work needed before we can conclude on this.
> 
> -Jonathan R. -- Jonathan D. Rosenberg, Ph.D.                   499
> Thornall St. Cisco Fellow                                   Edison,
> NJ 08837 Cisco, Voice Technology Group jdrosen at cisco.com 
> http://www.jdrosen.net <http://www.jdrosen.net/>
> PHONE: (408) 902-3084 http://www.cisco.com <http://www.cisco.com/> 
> _______________________________________________ mmusic mailing list 
> mmusic at ietf.org http://www.ietf.org/mailman/listinfo/mmusic
> 
> 
> 

-- 
Jonathan D. Rosenberg, Ph.D.                   499 Thornall St.
Cisco Fellow                                   Edison, NJ 08837
Cisco, Voice Technology Group
jdrosen at cisco.com
http://www.jdrosen.net                         PHONE: (408) 902-3084
http://www.cisco.com
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