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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

1363.0. "DEFEA performance" by CGOS01::DMARLOWE (Have you been HUBbed lately?) Tue Jun 07 1994 18:33

    Anyone have numbers for the interface only in terms of bits per second
    for the DEFEA?
    
    22 byte packets		??  Mbps
    > ?? byte packets		100 Mbps

    As always when applications are added, you mileage will vary.

    Thanks in advance.
    
    dave
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1363.14678::STEFANIHave the # for the Mars Observer?Tue Jun 07 1994 21:2212
    Dave,
    
    Have you checked out the FDDI NICs whitepaper?  It includes some
    performance data.  You can find it on ftp.digital.com in
    /pub/DEC/DECinfo/whitepaper/fddi-nics.ps.  Throughput wise, the highest
    we've seen is 112-114 Mbps in full-duplex mode.  I have some data for
    IPX and IP routing performance at various packet sizes in a Novell
    MultiProtocol Router setup with two DEFEAs in each server (one
    receiving, one transmitting).  This data was taken at Scott Bradner's
    bridge/router study last year.
    
       - Larry