Re: New Version Notification for draft-kamp-httpbis-structure-01.txt (fwd)
Willy Tarreau <w@1wt.eu> Thu, 17 November 2016 10:21 UTC
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Date: Thu, 17 Nov 2016 11:17:27 +0100
From: Willy Tarreau <w@1wt.eu>
To: Poul-Henning Kamp <phk@phk.freebsd.dk>
Cc: Julian Reschke <julian.reschke@gmx.de>, Kazuho Oku <kazuhooku@gmail.com>, HTTP Working Group <ietf-http-wg@w3.org>
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Subject: Re: New Version Notification for draft-kamp-httpbis-structure-01.txt (fwd)
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On Thu, Nov 17, 2016 at 09:48:16AM +0000, Poul-Henning Kamp wrote: > >On the other hand most of the time we don't care about the sub-microsecond > >accuracy, > > Trust me: We will never care about *timestamps* with sub-microsecond > resolution in HTTP headers. They barely make sense in the first > place and transmission noise and and delays will totally swamp any > information they might carry. That's inexact, I've already seen people using timestamps as an easy way to have unique IDs. Of course that's wrong but when the principle is that once you're cycle-accurate you know you can't do two things at once, it works as long as you don't have time jumps. Note I'm *not* defending this misuse and not even advocating for supporting it. I'm just saying that it's untrue that nobody cares. > >Or maybe Poul-Henning's 15-digit number can solve it as well. But we must not > >use it for any number as it would remove the ability to pass 64-bit integers. > > 15 digits is enough for a Content-Length of a petabyte, I don't think > anybody, now or in the future, will find that a sensible thing to do. Well it's only one day of traffic at 100 Gbps, it could conceivably be used after the next decade for file system replication over HTTP. And if you manage a flat filesystem, you possibly at least want to be able to use more than this in the Range header to seek on your storage. There's nothing wrong with asking for one GB of data starting at 1.23 PB. Multi-petabyte filesystem are still not common but I do know people who use some already, especially in web hosting (and I'm pretty sure you know some as well). We clearly see that the boundary between web and storage sometimes is very thin and we must not prevent solutions from emerging just because of protocol limitations. > If you want to move cryptographic bits, there is a dedicated "blob" > datatype for that. Agreed. Willy
- New Version Notification for draft-kamp-httpbis-s… Poul-Henning Kamp
- Re: New Version Notification for draft-kamp-httpb… Julian Reschke
- Re: New Version Notification for draft-kamp-httpb… Poul-Henning Kamp
- Re: New Version Notification for draft-kamp-httpb… Kazuho Oku
- Re: New Version Notification for draft-kamp-httpb… Willy Tarreau
- Re: New Version Notification for draft-kamp-httpb… Kazuho Oku
- Re: New Version Notification for draft-kamp-httpb… Julian Reschke
- Re: New Version Notification for draft-kamp-httpb… Poul-Henning Kamp
- Re: New Version Notification for draft-kamp-httpb… Poul-Henning Kamp
- Re: New Version Notification for draft-kamp-httpb… Kazuho Oku
- Re: New Version Notification for draft-kamp-httpb… Willy Tarreau
- Re: New Version Notification for draft-kamp-httpb… Poul-Henning Kamp
- Re: New Version Notification for draft-kamp-httpb… Willy Tarreau
- Re: New Version Notification for draft-kamp-httpb… Poul-Henning Kamp
- Re: New Version Notification for draft-kamp-httpb… Poul-Henning Kamp
- Re: New Version Notification for draft-kamp-httpb… Kazuho Oku
- Re: New Version Notification for draft-kamp-httpb… Poul-Henning Kamp