| 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 |
We are responding to a large RFQ in which the customer is requesting:
One dual fddi ring for interconnecting multiple 802.3 LANs and a
second, dual ring for directlty connected workstations. I know this is
not the normal way to do this but it is what the RFQ is asking for. THe
problem is that thr RFQ also calls for inter connection of the two
sets of dual FDDI rings.
1. Does Digital have a recommened configuration to do this ?
2. Is their a third party solution to this ? (CISCO ?, CHIPCOM ?,
SYNOPTICS ?, etc.)
Regards,
John
| T.R | Title | User | Personal Name | Date | Lines |
|---|---|---|---|---|---|
| 548.1 | coming soon!!! | CTOAVX::BEAULIEU | Thu Apr 30 1992 16:03 | 15 | |
John,
If you are talking about connecting two FDDI ring together, i.e. an FDDI
to FDDI bridge, Digital does not have one yet. As soon as DECnis has
it's FDDI boards ready you should be able to do this. Another Digital
product due out soon, Gigaswitch (sonoma) will also let you connect to
FDDI rings together. The easiest way to describe Gigaswitch is FDDI in
a box, like a DELNI is to ethernet. Gigaswitch should be anncounced 6
days from now at DECworld. The only competitors that I know that claim
that they can connect two rings together is AT&T/NCR, my customer has
their FDDI to FDDI bridge, but it doesn't work. Cisco is suppose to
have something in the works also.
Later, Mike Beaulieu
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| 548.2 | describing GIGAswitch properly | ORACLE::WATERS | I need an egg-laying woolmilkpig. | Thu Apr 30 1992 16:58 | 12 |
> FDDI rings together. The easiest way to describe Gigaswitch is FDDI in
> a box, like a DELNI is to ethernet. Gigaswitch should be anncounced 6
That's a bad description of GIGAswitch. DECconcentrator 500 is like
a DELNI for FDDI. For now, GIGAswitch is a 22-port bridge for FDDI and
DS3 links. (The DS3 links are used to carry FDDI packets over long
distances; they don't extend the LAN protocol suite in any way.)
Besides having many ports, GIGAswitch will evolve in other ways to
exceed the performance of other FDDI bridges. But two other areas of
performance evolution (link speed and LAN topology) have not been
program-announced yet, so you shouldn't assume anything about that.
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| 548.3 | connect the firehoses via straws | PERE::BRUCE | Fri May 01 1992 11:05 | 5 | |
as a place holder untill sonoma (programmed announced in april 13 sales
update) or the nis capability you could propose connecting the two
rings via ethernet bridges. granted it is not elegant but it will work
fine especially if the traffic is generally disjoint
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