| 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 |
<<< ISEQ::CAD$DISK:[NOTES$LIBRARY]MDF.NOTE;1 >>>
-< MDF >-
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Note 139.0 Concentrator AND DECbridge 520 on the ring at 1 si No replies
SMAC10::STEPHENSON 21 lines 28-SEP-1993 09:23
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What are the pro's and con's for the following :-
a) DECconcentrator links the site to the FDDI ring.
DECbridge 520 linked to DECconcentrator
versus
b) DECconcentrator links the site to the FDDI ring.
DECbridge 520 linked into the FDDI ring
The b) gives extra resilience if the concentrator fails but is another
station at each site on the ring...
The b) allows Ethernet traffic to continue over the ring if the
concentrator fails...
Any BRS (MDF) issues or restrictions ?
Are there any other pro's and con's that I've missed
Cheers
Milton Stephenson
European BRS support team (sunny Bristol UK)
| T.R | Title | User | Personal Name | Date | Lines |
|---|---|---|---|---|---|
| 1099.1 | Consider the relative MTBF's | ASDS::LEVY | Tue Sep 28 1993 11:33 | 1 | |
The MTBF of a DECconcentrator is more than twice that of a DECbridge... | |||||
| 1099.2 | go with DAS | BRAT::BUKOWSKI | Wed Oct 06 1993 14:48 | 9 | |
re .0
The bridge is seen as a station regardless of whether it is plugged
directly into the DAS ring or plugged into the concentrator. I'd
definetly plug it directly into the ring providing you do not have
other priority factors such as limited fiber strand resources if
used in a distributed environment.
Mike
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