Graeme Fowler wrote:
> ISTR it was a halfway house - arithmetic mean - between two opposing
> camps, one of whom wanted larger (for data) and one smaller (for
> voice).
Yes (Europeans wanted 32, U$ wanted 64 bits) however I cannot recall
whether the original nice power of 2 multiples included headers or not -
I think the header data was always extra and of course there are two
forms of that anyway... :P (although for different reasons).
> Also, the 53 bytes of an ATM cell carries (I can't remember how many!)
> bytes of 'fraeme overhead' equivalent to the MAC header of an ethernet
> packet, so the overall size for data far, far outweighs in percentage
> terms the amount of user data inside it - and if you're doing VLANs
> over ATM you lose even more of that space to framing info.
5 byte headers, two forms thereof one for end nodes, one for
interconnects. I actually think ATM is the best thing since sliced bread
and certainly wish I had it here on my desktop...
> Loughborough Uni - they're now entirely Gigabit Ethernet, in places
> from server to desktop...
Yuck :)
--jcm
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