North American Network Operators Group|
Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical
Re: Exchanges that matter...
In message <[email protected]>, Rob Liebschutz writes: >> On Sun, 8 Dec 1996, Joe Rhett wrote: >> >> > >> > > It is actually quite hard in practice to push a FDDI switch >> > > into trouble, although theoretically it should be simple, modulo >> > > the interesting effects that token-withholding can produce. >> > >> > Hm. Not sure what you mean. FDDI can certainly be over-utilized, that's >> > not hard. On the other hard, FDDI doesn't fall down and die like >> > Ethernet does when congested. >> > >> > > In practice, the limiting factor will tend to be the per-port >> > > bandwidth rather than the aggregate bandwidth. One would have >> >> At the Atlanta-NAP we offer full duplex FDDI, why not try to get MFS to do >> it? Cisco now has a full duplex FDDI card, so you can do 200 Mbs into the >> NAP. > >Talk to Steve Feldman from MFS. At the October Nanog meeting he >mentioned that their Gigaswitches (not sure if this is was just for >MAE West) were ready to support Full Duplex FDDI and he invited >volunteers to try it. > >Unfortunately, the GRF does not yet have a full duplex FDDI interface >available, but when I asked about it, Ascend told me that they had >implemented a CDDI interface in 3 weeks time to gain the business of >of one customer. Of course the rumor has it that CDDI was invented in about that same length of time, so it can't be too hard to duplicate that effort. --- Jeremy Porter, Freeside Communications, Inc. [email protected] PO BOX 80315 Austin, Tx 78708 | 1-800-968-8750 | 512-458-9810 http://www.fc.net - - - - - - - - - - - - - - - - -