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Re: #555: frame synchronization

From: Poul-Henning Kamp <phk@phk.freebsd.dk>
Date: Mon, 21 Jul 2014 08:07:08 +0000
To: Martin Thomson <martin.thomson@gmail.com>
cc: Mark Nottingham <mnot@mnot.net>, HTTP Working Group <ietf-http-wg@w3.org>
Message-ID: <35335.1405930028@critter.freebsd.dk>
In message <CABkgnnVbn7LYmbB3y=FxxhsnVAtvXjJ5+iZj4QKpWCftocn-eQ@mail.gmail.com>
, Martin Thomson writes:

>As I already said, I don't see any need. Desync ends pretty quickly with a

The question is if we should do something to make sure that it happens
faster and with more certainty than "pretty quickly" ?

Has anybody tried to do a fuzzer-test to see how robust their
implementation is for an almost correctly working peer ?

>> <https://github.com/http2/http2-spec/issues/555>
>> Anyone with thoughts on this?

>> > Has anybody considered frame-desynchronization ?
>> >
>> > The framing layer has neither pattern, checksum or sequence numbers
>> > to help us tell if the sender and receiver have become mis-synchronized,

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
Received on Monday, 21 July 2014 08:21:00 UTC

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