Re: [Taps] IETF planning

Karen Elisabeth Egede Nielsen <karen.nielsen@tieto.com> Tue, 27 October 2015 09:44 UTC

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From: Karen Elisabeth Egede Nielsen <karen.nielsen@tieto.com>
References: <64271754-EED2-4322-BB0E-51CB66365682@gmail.com> <B36B9E5E-0EB5-418A-A6A1-E103C8ECF500@ifi.uio.no> <CCC80AEF-66CD-4497-A374-2ED89DF4FA17@trammell.ch> <CAD62q9XQMSyuG_=HYjXKe12iE=-F3HasXqrmJs+RAQeBZbddCQ@mail.gmail.com> <562DF846.7090901@erg.abdn.ac.uk> <CAD62q9XjebXmRHUebJLrd35=PnrLPGCZFv4LBO5omYBh2J+72Q@mail.gmail.com> <564DD3D7-446B-4ABC-9A40-26E79DADD50E@ifi.uio.no> <562E3CC2.1010008@erg.abdn.ac.uk>
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Date: Tue, 27 Oct 2015 10:44:50 +0100
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To: gorry@erg.abdn.ac.uk, Michael Welzl <michawe@ifi.uio.no>, Aaron Falk <aaron.falk@gmail.com>
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Cc: Brian Trammell <ietf@trammell.ch>, Stein Gjessing <steing@ifi.uio.no>, taps@ietf.org
Subject: Re: [Taps] IETF planning
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HI,

Just a note. Not necessarily relevant for the overall argument however.

> >
> > So we’re i) describing services; ii) narrowing them down somehow; iii)
> > describing how to build this thing.
> > My concern is with iii) being something feasible and useful, not an
> > obscure sci-fi document.
> >
> > Say we include DCCP. It’ll add some services that aren’t in the other
> > protocols listed so far in this mail - e.g. drop notification (see
> > section 3.6.3 in draft-ietf-taps-transports). Say, in step ii), we
> > find no good arguments to remove drop notification. Then, in step
> > iii), we’ll have to say how a TAPS system can support drop
> > notification. So, to build a working TAPS system, one has to either:
> > - include DCCP in the code base
> > - extend other protocols to provide this functionality
> >

 SCTP also provides drop notification (SEND_FAILURE).

BR, Karen