Re: CONTINUATION was: #540: "jumbo" frames

On Jun 27, 2014, at 3:05 AM, Cory Benfield <cory@lukasa.co.uk> wrote:

> I'm less delighted about muxable (i.e. HPACK-free) CONTINUATION
> frames, though they might be a better middle-ground solution.
> Implementing them intelligently is a bit awkward and requires a
> substantial amount of care from the emitting party. It also lays traps
> for the unwary such that a single large HTTP header can affect the
> compressibility of several following requests. Careful language in the
> RFC might be able to get around this point.

It can’t affect the compressibility of subsequent requests because the large headers would be in the “uncompressed” frames[1]. Only the first HEADERS frame impacts the delta compression state.

[1] Uncompressed frames can actually still be compressed with HPACK with an effective table size of 0 for those frame if so desired.

--
Jason T. Greene
WildFly Lead / JBoss EAP Platform Architect
JBoss, a division of Red Hat

Received on Friday, 27 June 2014 19:34:46 UTC