Re: FDDI or 100Mb Ethernet

[Paul Ferguson <ferguson () cisco com>]

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.