[Gllug] OT: MTU sizes, w/ Broadband

Rev Simon Rumble simon at rumble.net
Wed May 14 14:33:49 UTC 2003


On Wed 14 May, John Hearns bloviated thus:

> The topic has come up before on GLLUG - 48 bytes was a compromise
> between the US and Europe, to do with echo cancellation in phone calls.

Wouldn't a reasonable workaround be a special flag to cut out some of
the parts of the TCP ACK packet and re-insert them when it becomes
real TCP again?  Course every piece of kit translating ATM<->IP would
need to support it.

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Rev Simon Rumble <simon at rumble.net>
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