- From: 陈智昌 <willchan@chromium.org>
- Date: Tue, 6 Aug 2013 03:48:24 -0700
- To: Roberto Peon <grmocg@gmail.com>
- Cc: HTTP Working Group <ietf-http-wg@w3.org>, tsvwg@ietf.org
- Message-ID: <CAA4WUYimM7kiwSVid45=4v3wNh742-zEjexQjMOmDTgsB2dMuw@mail.gmail.com>
Another thing that I think Roberto implied but didn't explicitly call out is mitigating application incentives to open multiple connections On Tue, Aug 6, 2013 at 1:30 AM, Roberto Peon <grmocg@gmail.com> wrote: > The most interesting part of this list, for me, was that I was nearly 100% > sure that every item on this list had been discussed and designed by folks > participating in TSVWG. > The part that I'm unsure that people realized is the extent of the hunger > to have something deployed "yesterday" so that the features could be > reliably used today. > > A colleague reminded me that "prioritization" means different things in > the different areas (thanks, and thanks Allison for pointing it out in your > preso!). On this note, it meant both QoS like things and hints to the > application layer. > Prioritization also includes stuff sitting in socket buffers. > > Something which I also failed to describe well was that "cheap"/"fast" > channel/connection setup to CPU/mem, yes, but perhaps more importantly to > the importance of minimizing latency in connection/channel setup, > especially while including features like security. > -=R > > > On Tue, Aug 6, 2013 at 1:15 AM, Roberto Peon <grmocg@gmail.com> wrote: > >> Actually sending to the right list for TSVWG... >> >> -=R >> >> >> On Tue, Aug 6, 2013 at 1:14 AM, Roberto Peon <grmocg@gmail.com> wrote: >> >>> For those of you who missed it, at the HTTPBis/TSVG joint session, a >>> question about what applications want from the transport (I really want to >>> put quotes around that) came up. >>> >>> Here is a rendition of what was on the note that I jotted down in >>> response to this question, and which I passed to people at the mic. >>> >>> (Apps-folks want the following) Deployed in 1996: >>> ----------------------------------------- >>> - Prioritization >>> - Partial Reliability >>> - "Shared" congestion between multiple streams >>> - Security >>> - No HOL blocking on stream X when loss on stream Y >>> - Cheap/Fast channel/connection setup >>> - Wide, "safe" deployment >>> - Competes with TCP/HTTP/1.1 (performance-wise) >>> - Multipath/roaming robustness, i.e. the "driveway" problem >>> >>> >>> I'll reiterate that by far the most important feature is "is deployed". >>> Nothing else matters until that is true, at least at the >>> application-layer. >>> -=R >>> >>> >>> >> >
Received on Tuesday, 6 August 2013 10:48:51 UTC