North American Network Operators Group

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Re: FDDI or 100Mb Ethernet

  • From: Paul Ferguson
  • Date: Fri Feb 06 17:08:25 1998

Okay. Playing my usual devil's advocate role, please tell me what
migration path lies beyond FDDI for faster connectivity?

- paul

At 04:17 PM 2/6/98 -0500, Dean Anderson wrote:

>For desktops, I agree completely that fast ethernet is the way to go.  Fast
>ether hubs are cheaper and easier to wire than cddi hubs (no cross over
>cables required).
>For a backbone, though, I would point out that FDDI is a token ring
>protocol, so performance is always predictable. Ethernet, and fast ethernet
>have performance knees.  (Actually, I'm assuming Fast Ethernet will have a
>knee at around 70% utilization. I haven't tested that it really does).
>Also, both Fiber and Copper can be implemented with dual attached rings
>which might be an advantage for a backbone link.