Re: [V3] RIPT BoF approved for IETF 107 - Draft charter below
Justin Uberti <juberti@google.com> Sat, 15 February 2020 07:55 UTC
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From: Justin Uberti <juberti@google.com>
Date: Fri, 14 Feb 2020 23:54:53 -0800
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To: Ross Finlayson <finlayson@live555.com>
Cc: "v3@ietf.org" <v3@ietf.org>, "Cullen Jennings (fluffy)" <fluffy@cisco.com>, Jonathan Rosenberg <jdrosen@jdrosen.net>, Jonathan Rosenberg <jdrosen@five9.com>, Spencer Dawkins at IETF <spencerdawkins.ietf@gmail.com>
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Subject: Re: [V3] RIPT BoF approved for IETF 107 - Draft charter below
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On Fri, Feb 14, 2020 at 10:00 PM Ross Finlayson <finlayson@live555.com> wrote: > On Feb 15, 2020, at 1:15 PM, Jonathan Rosenberg <jdrosen@jdrosen.net> > wrote: > > > > RTP is in scope, in that, RIPT replaces RTP (and SDP and SIP). > > > > Basically, the output of the codec is placed into something called a > 'media chunk' which adds a few parameters which are similar to RTP (i.e., > timestamp) and then sent in a PUT request or GET response. > > Jonathan is ‘handwaving’ a bit here :-), as he understands (more than just > about anyone) that replicating the functionality of RTP would involve a lot > more than just adding a few parameters to PUT and GET. For each media type > being transported, you’d need to define how data is best framed within > (QUIC) datagrams, how (optional) FEC could be used, what RTCP XR > functionality will be retained (and how), how (the equivalent of) RTP > header options would be defined/carried, etc. etc. etc. Essentially, you’d > be replicating all of the work that took place (over several years) within > AVT to define a RTP payload format for each media type. Therefore... > > > > No doubt an issue of contention will be whether we should just > encapsulate RTP vs. whats in the draft. > > If we want to get something standardized/working quickly, then this is a > ’no brainer’, IMHO. First, define a way to carry RTP/RTCP packets directly > in QUIC datagrams - in such a way that the existing RTP payload format > defined for each media type could map directly (i.e., with no more > media-specific IETF standardization work required). Even if this means > that there's some duplication of functionality between RTP and QUIC > (datagrams). (Ditto for RTP over QUIC (reliable) streams.) > Yes, this is my preferred approach. There still will be a lot of work just to get this up and running, figure out how congestion control works in this world, and avoid ending up with a lot of bloat from the encapsulation. Assuming this works, we get fairly straightforward gatewaying between the old and new worlds. > While - at some point in the future - it may be worthwhile defining a new > version (v3?) of RTP that works more efficiently with QUIC, this should not > be something that we require before we define/standardize a replacement for > SIP. Otherwise it’ll be years before we’re done. (RTP is starting to show > its age, but it’s not broken, and has lots of existing deployment that > could, ideally, be leveraged quickly within a SIP replacement. > > > Ross Finlayson > Live Networks, Inc. > http://www.live555.com/ > > > -- > V3 mailing list > V3@ietf.org > https://www.ietf.org/mailman/listinfo/v3 >
- [V3] RIPT BoF approved for IETF 107 - Draft chart… Jonathan Rosenberg
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Spencer Dawkins at IETF
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Jonathan Rosenberg
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Spencer Dawkins at IETF
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Ross Finlayson
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Justin Uberti
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Asveren, Tolga
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Asveren, Tolga
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Steve Donovan
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Samir Srivastava
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Jonathan Rosenberg
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Jonathan Rosenberg
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Jonathan Rosenberg
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Asveren, Tolga
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Ross Finlayson
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Spencer Dawkins at IETF
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Asveren, Tolga
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Justin Uberti
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Justin Uberti
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Spencer Dawkins at IETF
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Spencer Dawkins at IETF
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Jonathan Rosenberg
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Ross Finlayson
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Ross Finlayson
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Marc Petit-Huguenin
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Cullen Jennings (fluffy)
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Cullen Jennings (fluffy)
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Joerg Ott
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Cullen Jennings (fluffy)
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Justin Uberti
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Spencer Dawkins at IETF
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Asveren, Tolga
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Cullen Jennings (fluffy)
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Jonathan Rosenberg
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Jonathan Rosenberg
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Asveren, Tolga
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Roni Even (A)
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Jonathan Rosenberg
- Re: [V3] RIPT BoF approved for IETF 107 - Draft c… Roni Even (A)