Not sure of the details but there certainly were several Frame Relay network meltdowns. The AT&T Stratacom switch IOS upgrade (oops!@) and the Ascend (for MCI?). There were extenuating reasons for the initial failures but the cloud didn't converge. Anyone have a postmortem on these events? > -----Original Message----- > From: Chuck Larrieu [mailto:[EMAIL PROTECTED]] > Sent: Monday, April 30, 2001 3:56 PM > To: [EMAIL PROTECTED] > Subject: WAN Congestion - Cloud technology - Theory vs > Reality [7:2618] > > > dropped/refused entry because of congestion on the cloud. > This in turn leads > to the retransmission of dropped packets/cells, which in turn > leads to more > congestion, in a never ending spiral ( in theory, at least ) > > Reality: This gets into sizing of WAN links / CIR's / CBR's > > I am a bit curious. Anyone here have any real world > experience with this > kind of thing happening? I can see how this can happen in theory. In > reality, carrier cloud congestion is not such that it would > likely lead to > this kind of result, is it? > > So if the above premise is something that can and does happen > regularly, > what does the carrier do - just massive dropping of packets / > cells until > the problem disappears, probably after hours that day? > > Any experience? > > Chuck > > One IOS to forward them all. > One IOS to find them. > One IOS to summarize them all > And in the routing table bind them. > > -JRR Chambers- > FAQ, list archives, and subscription info: > http://www.groupstudy.com/list/cisco.html > Report misconduct > and Nondisclosure violations to [EMAIL PROTECTED] Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=2624&t=2624 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]