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Conference 7.286::fddi

Title:	FDDI - The Next Generation

Moderator:	NETCAD::STEFANI

Created:	Thu Apr 27 1989
Last Modified:	Thu Jun 05 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	2259
Total number of notes:	8590

1092.0. "NFS FDDI performance" by SYORRK::kras (DEC OSF/1 == UNIX NT) Fri Sep 17 1993 16:15

Our SPECnfs_A93 test results use FDDI interconnects for test
configurations, with the clients directly configured to FDDI.

Is is prudent to expect this configuration to provide the same level of
performance if the clients are connected on ethernet, to the server,
with a DECbridge?

T.R Title User Personal
Name Date Lines

1092.1 Not the same performance SCHOOL::WASHABAUGH Born to be Mild Wed Sep 29 1993 14:42 7

T.R	Title	User	Personal Name	Date	Lines
1092.1	Not the same performance	SCHOOL::WASHABAUGH	Born to be Mild	`Wed Sep 29 1993 14:42`	7
	From all of the performance studies I've seen, you'll get significantly less performance if your clients are on Ethernet. This is because you will end up using smaller packets (1514) than you would with FDDI (~4500). In fact, for small packet sizes, our adapter does not perform well compared to the competition. doug

From all of the performance studies I've seen, you'll get significantly less
performance if your clients are on Ethernet.  This is because you will end up
using smaller packets (1514) than you would with FDDI (~4500).  In fact, for
small packet sizes, our adapter does not perform well compared to the
competition.

doug