Re: Framing and control-frame continuations

On Wed, Feb 6, 2013 at 6:28 AM, Poul-Henning Kamp <phk@phk.freebsd.dk> wrote:
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>>The window size needs to be larger than 64k to fully utilize such links.
>
> Just got off the phone, it was the 1980'ies which wanted their
> protocol design parameters back, will you handle that ?  :-)
>
> There is no need to negotiate a maximum frame size, because the
> length comes up front, so the receiver can always chop it up to
> more manageable bits if it cannot process it in the full size.

The "chop it up to more manageable bits" approach works for data
frames, where a load balancer receiving a large frame can chop it up,
thereby maintaining a limit on per-connection memory usage.  But it
doesn't work for control frames; there already are use cases where a
load balancer will need to see the entirety of a control frame in
order to decide where/whether to route it.

Brian

Received on Wednesday, 6 February 2013 15:14:22 UTC