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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

2248.0. "Dual-homing failover time?" by CSC32::bngpc.cxo.dec.com::goodwin (Brad Goodwn - NSIS) Thu Apr 17 1997 17:11

My customer want confirmation on dual-homing failover time. I've read in this
conference that it will take under 2 seconds. Is there any formula to calculate
what it really would take? They will have 24 das nodes dual-homed into concentrators,
the concentrators will be connected via das. I've done some testing, with only 3 nodes,
and have found that it takes ~1.2 seconds to fail from the B to A port and about .8 
seconds to fail back. Would it be safe to say with 24 nodes, it would take about
the same amount of time?

Thanks,
Brad
 
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