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http speed uneven ?!




I have connected 2 computers in a home network. They use NE2000 ethernet
cards. There are only 2 computers on the coax ethernet.

FTP speed is about 480 kBps in both directions, telnet is fast, and other
measurable protocols are fast. http is not.

The http speed from the faster machine to the slower one is about one
order of magnitude less than the other way around. The servers used are
the same (the same program !), and the clients used are the same program
(Netscape and Lynx). In the 'good' direction I can obtain ~43 kBps and in
the other direction something like 4 kBps. EVERYTHING else is identical
excepting the bogomips ratings: 55:8 (== 1:7). Neither machine swaps
during the exercise. The material used for testing is a suitably large
(~600k) html file.

Any ideas ?

(more: The routing is one-to-one i.e. peer-to-peer, the network is assumed
to be the one implied by the assigned IP addresses, there are no lost
packets in either machine in either direction)

Peter Lorand Peres
------------------
plp@actcom.co.il 100310.2360 on CIS (please use Internet address for mail)
http://ourworld.compuserve.com/homepages/plp

"The creed of Inland Revenue is simple: 'If we can bring one little smile to one
little face today - then somebody's screwed up somewhere' - David Frost

(Note: The above stands valid in all countries until proven wrong)