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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

243.0. "Is "VITALINKing" possible for FDDI?" by KYOA::KOCH (It never hurts to ask...) Tue Apr 23 1991 19:29

    If we are linking 2 sites with FDDI, does a full 100Mbit pipe have
    to be available? 
    
    We can link Ethernet sites with a VITALINK bridge at speeds lower than
    10Mbits, but can we do the same for FDDI?
    
    The proposed link would be T3, 45Mbits/second.
T.RTitleUserPersonal
Name
DateLines
243.1Nothing right nowJANUS::BARKERJeremy Barker - T&N/CBN Diag. Eng. - Reading, UKWed Apr 24 1991 07:216
I do not know of a product from Digital that can do this now.  There may be
something available in the future.  I suggest you contact Neville Fleet
(JANUS::FLEET) in Product Management who may be able to give you more
information.

jb
243.2Which protocol(s)MR1PST::SYSAP::PARRISKeith, DECcluster EngineerWed Apr 24 1991 11:095
What type of traffic did you plan to send between the FDDI rings?  Several
3rd-party vendors have routers available which can route TCP/IP and DECnet
traffic from FDDI over a DS3 link to another FDDI ring.  Some vendors have
plans to also provide bridging capability (needed for LAT and VAXcluster
traffic), but I don't know of any product available today. 
243.3KYOA::KOCHIt never hurts to ask...Wed Apr 24 1991 15:296
    re: .1 Thanks, I will.
    
    re: .2 Yes, bridging is what I am looking for. Obviously, we can route.
    Therefore, since we can't bridge, DECclustering over a router won't be
    supported? What would be the minimum speed we would need to effectively
    cluster over a bridged link given we might be shadowing?