Re: [rtcweb] JSEP and ice-pacing attribute
Harald Alvestrand <harald@alvestrand.no> Tue, 30 July 2019 21:55 UTC
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From: Harald Alvestrand <harald@alvestrand.no>
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Date: Tue, 30 Jul 2019 23:55:44 +0200
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Subject: Re: [rtcweb] JSEP and ice-pacing attribute
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Den 30.07.2019 22:08, skrev Christer Holmberg: > Hi, > > > > I noted that JSEP does not specify the usage of the ice-pacing > attribute. Is there a reason for that? It does explicitly specify how > all the other ICE related SDP attributes are used. I think we overlooked it. "ice-pacing" was introduced in draft-ietf-mmusic-ice-sip-sdp-03 (July 2014), so we can't claim it's because it's too new..... JSEP was only at its version -07 at that time. According to RFC 8445 section 14.2, this attribute sets the value of the Ta timer (or at least this is the only interpretation that I can see that makes sense). According to draft-ietf-mmusic-ice-sip-sdp-36, "ice-pacing" only allows increasing the value of Ta to a value larger than its default (50 ms) (while 8445 seems to indicate that a single agent can go all the way down to 5 ms, but not lower). I'm happy to interpret jsep's silence on the matter as "does not define additional rules for ice-pacing", and leave it on the list of issues to consider when JSEP is revised. > > > > Regards, > > > > Christer > > > _______________________________________________ > rtcweb mailing list > rtcweb@ietf.org > https://www.ietf.org/mailman/listinfo/rtcweb >
- [rtcweb] JSEP and ice-pacing attribute Christer Holmberg
- Re: [rtcweb] JSEP and ice-pacing attribute Harald Alvestrand
- Re: [rtcweb] JSEP and ice-pacing attribute Justin Uberti
- Re: [rtcweb] JSEP and ice-pacing attribute Christer Holmberg
- Re: [rtcweb] JSEP and ice-pacing attribute Christer Holmberg