sorry ... not cut through

Josip Loncaric josip at icase.edu
Wed May 15 10:54:39 PDT 2002


Greg Lindahl wrote:
> 
> You said this backwards: cutthrough switches ought to be better on
> latency. 
> 
> Cut-through vs. store-and-forward ought not affect bandwidth at all.

I'd second that -- and add that an important reason why people build
store-and-forward switches despite (slightly) worse latencies is to
filter out malformed packets.  Isolating such failures can save the
whole network from an expensive problem (e.g., lost business).

Sincerely,
Josip

-- 
Dr. Josip Loncaric, Research Fellow               mailto:josip at icase.edu
ICASE, Mail Stop 132C           PGP key at http://www.icase.edu./~josip/
NASA Langley Research Center             mailto:j.loncaric at larc.nasa.gov
Hampton, VA 23681-2199, USA    Tel. +1 757 864-2192  Fax +1 757 864-6134



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