North American Network Operators Group
Date Prev | Date Next |
Date Index |
Thread Index |
Author Index |
Historical
Re: how to waste fiber (was:OT:MarketSpeak)
- From: William Allen Simpson
- Date: Wed Oct 13 12:18:40 1999
Sam Thomas wrote:
> semi-operational: in the event that path inside a SONET ring switches
> from active to protect and back, etc...does this generally show up on a
> a router as a series of errors, an interface bounce, or not at all?
>
Often both. The switch is spec'd at 50 milliseconds. Hardly a twitch
in human voice perception, but a heck of a lot of bad PPP checksums
in machine perception.
Worse, in my miserable experience, the APS would flip back and forth.
It's not supposed to, but it has. I firmly recommend: do not pay for
APS. Put the money toward diverse paths. As usual, Paul Vixie has got
it right!
WSimpson@UMich.edu
Key fingerprint = 17 40 5E 67 15 6F 31 26 DD 0D B9 9B 6A 15 2C 32
|
