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From: Brian Trammell <ietf@trammell.ch>
In-Reply-To: <4656A4F1-8A56-424C-95A7-506D5FEE3FC3@ifi.uio.no>
Date: Wed, 7 Oct 2015 11:17:49 +0200
Message-Id: <3D3C1025-32D9-4E60-B31D-35D15CC3D163@trammell.ch>
References: <20150921083533.19273.62189.idtracker@ietfa.amsl.com>
 <C5DCD4E3-C795-4C21-AA17-D59CA7F02D17@ifi.uio.no>
 <1D77A9B2-C37B-4ACF-A90D-DB485BC79B28@mjmontpetit.com>
 <92f091c456879303283af39e26ea14d5.squirrel@erg.abdn.ac.uk>
 <435C039A-5B01-450B-9223-883194F0B94D@mjmontpetit.com>
 <BCE21679-705E-4B51-B946-95D80A7EAE1A@ifi.uio.no>
 <CAD62q9VXwMw3-rU9YaWvyU=1EV6giEm6C8k4Vb+iwTs_oevFWg@mail.gmail.com>
 <4656A4F1-8A56-424C-95A7-506D5FEE3FC3@ifi.uio.no>
To: Michael Welzl <michawe@ifi.uio.no>
Archived-At: <http://mailarchive.ietf.org/arch/msg/taps/ECF1J3XJ57AZXIwNUTZ_vQTQHBU>
Cc: Aaron Falk <aaron.falk@gmail.com>, Gorry Fairhurst <gorry@erg.abdn.ac.uk>, 
 Marie-Jose Montpetit <marie@mjmontpetit.com>,
 "taps@ietf.org" <taps@ietf.org>
Subject: Re: [Taps] New Version Notification for
 draft-welzl-taps-transports-00.txt
Precedence: list


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> On 07 Oct 2015, at 09:17, Michael Welzl <michawe@ifi.uio.no> wrote:
>=20
> Hi,
>=20
>=20
>> On 05 Oct 2015, at 20:42, Aaron Falk <aaron.falk@gmail.com> wrote:
>>=20
>> Have others read this draft yet?   It is clearly aimed at addressing =
charter deliverable #1.  Do other folks have an opinion on how well it =
helps the group achieve the goals in our charter?  Should we use this =
document in some way? I'm looking for more input from the working group =
on how we should proceed.
>>=20
>> My opinion: I am very mindful (& appreciative) of the significant =
effort by Mirja and Brian and the other contributors on =
draft-ietf-taps-transports.
>=20
> +1
>=20
>=20
>>   The discussion around this doc has been very useful for clarifying =
(to me) how difficult it can be to pull useful common abstractions out =
of the 30+ years of transport technologies.  Having been down this path =
for over a year, I appreciate the fairly narrow approach =
draft-welzl-taps-transports and think it may be the best chance for TAPS =
to succeed.
>>=20
>> Please share your views.
>=20
> You say you appreciate the "fairly narrow" approach of =
draft-welzl-taps-transports. This makes me wonder - maybe =
draft-welzl-taps-transports should only cover a subset of the transports =
in draft-ietf-taps-transports, based on what we can see in =
draft-ietf-taps-transports?

Definitely. I think the "narrow" approach can work here -- the scope is =
already narrowed by only considering unicast services, which simplifies =
things quite a bit. The question is how and whether to narrow further. =
TCP (and MPTCP), UDP (and UTP-lite), and SCTP clearly make the cut, as =
they are widely deployed and/or there is active work on top of them for =
which we expect wide deployment. Others I'm less sure of.

Cheers,

Brian

> (e.g. the eventual text on RTP in draft-ietf-taps-transports will =
probably not be a short list of features, which may indicate that RTP =
should not be included in draft-welzl-taps-transports).
>=20
> Cheers,
> Michael
>=20
> _______________________________________________
> Taps mailing list
> Taps@ietf.org
> https://www.ietf.org/mailman/listinfo/taps


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