nanog mailing list archives
Re: FDDI or 100Mb Ethernet
From: "Sean M. Doran" <smd () clock org>
Date: Sun, 8 Feb 1998 14:15:49 -0800
| > SM FDDI -> SM POS. Problem solved. Reuse your fibre, even. | | *cough* Um, hate to have to raise an ugly bugaboo, but reusing | the fibre isn't the problem; it's redesigning the whole network | architecture from multidrop, ring based FDDI, to point-to-point | POS connections. Multipoint? Ha! Your architecture should be around an FDDI switch anyway, then all you do is unplug all the SM (or MM if that suits you) from the switch(es) and plug them into your wonderful Cisco 12012 populated with OC3 cards. If you really want it to look like LANnish still, run MPLS. | Or are you going to point out a cheap (~$100,000) SONET switch | that will work as a relatively "drop-in" replacement for already | installed DEC Gigaswitches? If you know of one 120xx. You really don't want to put too many 155-size interfaces into a 75xx router anyway thanks to the fun backplane (so you are limited in potential choices anyway), but you probably want two POS cards, one to 12012 "A" and one to 12012 "B". Traffic managment will be fun, but hey, you are wizardly at multihoming and stuff already, right? So that should be easy-peasy by comparison. | I'll order a half dozen. Otherwise, there really isn't any | multi-drop replacement for FDDI at this point. Hm, go back and look at the POP design I postulated the other day. Note that MPLS can run over many media, if you really want things to look like a single level two fabric... Sean. ("It's kinda like ATM done mostly right")
Current thread:
- Re: FDDI or 100Mb Ethernet, (continued)
- Re: FDDI or 100Mb Ethernet Dean Anderson (Feb 06)
- Re: FDDI or 100Mb Ethernet Paul Ferguson (Feb 06)
- Re: FDDI or 100Mb Ethernet Sean M. Doran (Feb 08)
- Re: FDDI or 100Mb Ethernet Matthew Petach (Feb 08)
- Re: FDDI or 100Mb Ethernet David Lesher (Feb 06)
- Re: FDDI or 100Mb Ethernet Dorn Hetzel (Feb 06)
- Re: FDDI or 100Mb Ethernet Martin Hannigan (Feb 06)
- Re: FDDI or 100Mb Ethernet Karl Denninger (Feb 06)
- Re: FDDI or 100Mb Ethernet Robert E. Seastrom (Feb 06)
- Re: FDDI or 100Mb Ethernet Deepak Jain (Feb 06)