Re: [Spud] New Version Notification for draft-herbert-transports-over-udp-01.txt
Tom Herbert <tom@herbertland.com> Fri, 08 July 2016 15:36 UTC
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From: Tom Herbert <tom@herbertland.com>
Date: Fri, 08 Jul 2016 10:36:09 -0500
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To: Aaron Falk <aaron.falk@gmail.com>
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Cc: Blake Matheny <bmatheny@fb.com>, Natasha Rooney <nrooney@gsma.com>, spud <spud@ietf.org>
Subject: Re: [Spud] New Version Notification for draft-herbert-transports-over-udp-01.txt
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On Thu, Jul 7, 2016 at 5:37 PM, Aaron Falk <aaron.falk@gmail.com> wrote: > Hi Tom- > > One explicit goal of PLUS is to enable controlled communication between > endpoints and devices on the network path. As I understand it, TOU is > designed to preclude that communication. As this is a BoF about chartering > a working group around PLUS, the TOU draft neither addresses PLUS motivation > (e.g., why we need to communicate to middleboxes?) or architecture (e.g., > how could we make this communication work in an world with pervasive > encryption?). Since there was some email discussion of your draft on this > list, Brian has tried to address the distinction between PLUS and TOU in his > slide deck (specifically, slide 20) and I encourage you to send any > clarification comments to him. > Aaron, I would agree if the goal of PLUS was to provide signaling to network path for any existing transport protocols (IMO this would have been a better goal). But, PLUS is explicitly being described for use with transport protocols over _UDP_. Such transport protocols don't really even exist yet (TOU and QUIC are being proposed). Without understanding how transport protocols over UDP will even work I think it is difficult to design another layer intended to work with them. Tom