Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-data-channel - multi-party
Gunnar Hellström <gunnar.hellstrom@omnitor.se> Mon, 26 August 2019 09:11 UTC
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To: Christer Holmberg <christer.holmberg@ericsson.com>, "mmusic@ietf.org" <mmusic@ietf.org>
References: <49749CEF-41E8-4E87-8CC6-938DBDA0CEE7@ericsson.com> <DF010721-81CD-40DE-A848-DE4D36836FDA@ericsson.com> <ED158CF5-E059-482B-8D7E-934BA2C753A1@ericsson.com> <2201665d-5054-1872-d208-a0fe2d26095c@omnitor.se> <VI1PR07MB3167055C995D17D4BA9E36DE93A50@VI1PR07MB3167.eurprd07.prod.outlook.com> <8d14b055-8405-4a4f-174d-d7580bea348c@omnitor.se> <0DA1248C-41FC-4155-A578-29A19883857C@ericsson.com> <a91850b9-6e86-058f-dddd-3f856bcd6710@omnitor.se> <DBC532B8-38DC-4140-B7C4-0B6853F0EF77@ericsson.com> <6fcf46a6-544d-027c-97c7-5c0e08caa555@omnitor.se> <HE1PR07MB3161A9A0C696B9636BBD380C93A70@HE1PR07MB3161.eurprd07.prod.outlook.com> <6484f305-0c38-4178-ee12-05a7dc38364f@omnitor.se> <HE1PR07MB31617F7C6E81EF041716749793A60@HE1PR07MB3161.eurprd07.prod.outlook.com> <ee4e6d3a-e984-15c7-dcaa-571be0e726b8@omnitor.se> <HE1PR07MB3161CC8F09E178F2E982E5AC93A60@HE1PR07MB3161.eurprd07.prod.outlook.com> <a5057f34-f222-e290-df88-da6e96d56294@omnitor.se> <A48CA18B-567B-46B9-9501-4FF65D4C8CAE@ericsson.com>
From: Gunnar Hellström <gunnar.hellstrom@omnitor.se>
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Date: Mon, 26 Aug 2019 11:11:40 +0200
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Archived-At: <https://mailarchive.ietf.org/arch/msg/mmusic/mfH56uFcRIAj6Do5RPl6vtlEczo>
Subject: Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-data-channel - multi-party
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Hi Christer, I can accept to not include "the T140 data channel data format". Regards Gunnar Den 2019-08-26 kl. 09:33, skrev Christer Holmberg: > Hi Gunnar, > >>>>> So, what about the following text: >>>>> >>>>> "If an implementation needs to support multi-party scenarios, >>>>> implementations (both clients and servers) need to support multiple >>>>> simultaneous T.140 data channels, one for each source. At the time of >>>>> writing this document, this is true even in scenarios where each participants >>>>> communicate via a centralized conference server. The reason is that, unlike >>>>> RTP media, WebRTC data channels and the T.140 protocol do not support the >>>>> indication of the source of T.140 data. >>>> "participants" s.b. "participant" >>> Will fix. >>> >>>>> NOTE: Future extensions to T.140, or to the T140block, might allow >>>>> indicating the source of T.140 data, in which case it might be possible to use >>>>> a single T.140 data channel to transport data from multiple sources." >>>> Should also "the T140 data channel data format" be among the options for where to place the source information? >>> What is the "data format"? Isn't the T140block the data format? >> >> Currently yes, but a more complex format could be defined, e.g. with a >> structure containing a source indicator and the T140blocks with some >> separator or structure. Of coulse it would be best to have that >> structure in place already from the beginning in this draft, so that >> there will be no interworking problems when a source address is >> introduced. Or at least a specified way to extend the format. > Yes. But, again, that work would have to be done elsewhere. It is not within the charter of MMUSIC to define media plane formats. > > Regards, > > Christer > > > _______________________________________________ > mmusic mailing list > mmusic@ietf.org > https://www.ietf.org/mailman/listinfo/mmusic -- ----------------------------------------- Gunnar Hellström Omnitor gunnar.hellstrom@omnitor.se +46 708 204 288
- [MMUSIC] Draft new: draft-holmberg-mmusic-t140-us… Christer Holmberg
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Belling, Thomas (Nokia - DE/Munich)
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Bernard Aboba
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Christer Holmberg
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… R.Jesske
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Bernard Aboba
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Gunnar Hellström
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Christer Holmberg
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Christer Holmberg
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Gunnar Hellström
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Christer Holmberg
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Gunnar Hellström
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Christer Holmberg
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Gunnar Hellström
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Christer Holmberg
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Paul Kyzivat
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Gunnar Hellström
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Paul Kyzivat
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Christer Holmberg
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] Draft new: draft-holmberg-mmusic-t14… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Paul Kyzivat
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Paul Kyzivat
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Paul Kyzivat
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Paul Kyzivat
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- [MMUSIC] draft-holmberg-mmusic-t140-usage-data-ch… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Roni Even (A)
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Roni Even (A)
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Roni Even (A)
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Gunnar Hellström
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Christer Holmberg
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Roni Even (A)
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Paul Kyzivat
- Re: [MMUSIC] draft-holmberg-mmusic-t140-usage-dat… Paul Kyzivat