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Re: more on savvis outtages...
Depending on if the have a primary or "virtual" POP in Pittsburgh, a single circuit can pull the entire VPOP down. From what I understand of their network, they backhaul all circuits of a VPOP to a "real" pop. So if they have a hardware, port or circuit failure on the single channelized circuit, everything is gone. Also since they bring most of their circuits (especially T-1) over a CT3, any hiccup in that will cause a problem too. I think the "entire Pittsburgh" network going down may be a function of a small number of total circuits rather than a "massive failure" of infrastructure equipment or services. My knowledge of Savvis is possibly dated and this is meant in no way as a compliment or criticism of their network topology or operations. Deepak Jain AiNET On Mon, 7 Aug 2000, deeann mikula wrote: > > > pgh. lost savvis again around 6pm EDT. i called then, and got a "don't > really know yet..." response from their noc. > > after getting the msg below (8pm EDT), i called them back, and the noc > tech told me that they are working at it from 2 angles, one group on > the possibility of an equiptment failure and another group working > with an at&t tech on the possibility that the problem lies with them. > he said he "seems like" it might be a re-occurence of y'days problem, > but it was too soon to tell and he hadn't gotten an official > confirmation that it was ok to say that yet. > > IMHO, i think their handling of this (emails and prompt call backs, > and informed and cheerful phone staff) has been great (from a customer > support viewpoint.) now if they could just get us back up again... 3 > separate several hour outages of the complete pgh. network is just > unacceptable. :( [8am-2pm sunday, 4am-6am monday and 6pm-? monday.] > > just my update for all those of pgh net-admins, and anyone else who cares. > > > deeann m.m. mikula > director of operations > > telerama public access internet > http://www.telerama.com > > > ---------- Forwarded message ---------- > Date: Mon, 7 Aug 2000 18:23:15 -0500 (CDT) > From: <snipped, from savvis noc> > > Subject: NOTIFICATION OF EMERGENCY OUTAGE > > At 8/7/2000 17:28:33 CST, we experienced an outage in our ATM and > Frame Relay switches in Pittsburgh. We have escalated this issue to > the highest levels in Savvis, and have also opened tickets with > carriers. If you have any questions or concerns, please call the NCC > at (888) 638-6771 and reference ticket 322411. > > >