Re: Design Issue: Frame Size Items

"Poul-Henning Kamp" <phk@phk.freebsd.dk> Tue, 07 May 2013 20:43 UTC

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To: Mike Bishop <Michael.Bishop@microsoft.com>
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From: Poul-Henning Kamp <phk@phk.freebsd.dk>
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Date: Tue, 07 May 2013 20:41:56 +0000
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Subject: Re: Design Issue: Frame Size Items
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In message <abb2201dec3a405aa735f1d09a7a8404@BY2PR03MB025.namprd03.prod.outlook
.com>, Mike Bishop writes:

> Better to know up front.  We can specify an initial (large) value
> and peers only need to change it if they need to restrict to a
> smaller value.

I think you got that backwards...

The default limit needs to be small, until the server is willing to
invest resources in the client.

(Repeat after me: HTTP/2.0 SHALL make DoS attacks harder, not easier.)

-- 
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.