Re: [tsvwg] New Liaison Statement, "LS to IETF TSVWG on MP-DCCP"

Anna Brunström <anna.brunstrom@kau.se> Wed, 23 June 2021 15:24 UTC

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From: =?utf-8?B?QW5uYSBCcnVuc3Ryw7Zt?= <anna.brunstrom@kau.se>
To: "Holland, Jake" <jholland=40akamai.com@dmarc.ietf.org>, "Markus.Amend@telekom.de" <Markus.Amend@telekom.de>
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Thread-Topic: [tsvwg] New Liaison Statement, "LS to IETF TSVWG on MP-DCCP"
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Date: Wed, 23 Jun 2021 15:24:35 +0000
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Subject: Re: [tsvwg] New Liaison Statement, "LS to IETF TSVWG on MP-DCCP"
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> -----Original Message-----
> From: tsvwg <tsvwg-bounces@ietf.org> On Behalf Of Holland, Jake
> Sent: den 18 juni 2021 17:23
> To: Markus.Amend@telekom.de; jholland=40akamai.com@dmarc.ietf.org;
> statements@ietf.org; david.black@dell.com; gorry@erg.abdn.ac.uk;
> wes@mti-systems.com
> Cc: GSMALiaisons@gsma.com; tsvwg@ietf.org
> Subject: Re: [tsvwg] New Liaison Statement, "LS to IETF TSVWG on MP-DCCP"
>
> Hi Markus,
>
> Thanks.  I think those diagrams are helpful.
> https://multipath-dccp.org/intro.html
> It looks like the idea is to wrap generic UDP traffic in a multipath-capable
> tunnel at the OS level.
>
> That makes sense, and it looks like maybe ease of implementation on the
> client devices is among the reasons to prefer it to other kinds of tunnels, if
> I'm understanding it.  That seems like a fine reason.  Thanks for clearing that
> up.

I think you are correct here Jake, that MP-DCCP is quite light weight is a benefit. You also have the congestion control state, with RTT estimates etc., that can be used as input for scheduling and path management. This of course is a main benefit shared with other transport layer solutions.

Best Regards,
Anna

>
> Best,
> Jake
>

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