Re: That MIT paper

2004-08-10 Thread Siegbert Marschall
Hi, > But, to my understanding a too short TTL will do harm to cache server > performance > esp. the amount of RR cached is so large that BIND have to wait for > swapping I/O > and re-fetching those timeout RR again. I think you missed the main point of the report, it does not say that low TTLs a

Re: That MIT paper

2004-08-10 Thread Joe Shen
Hi, >The paper doesn't pass any judgement on types of lookups, but obviously >not all DNS lookups are equal from the end user perspective. In our observation, looking for IP address consists 70% of our cache server load, MX consists of 14% and PTR only occupies 5%. And, on the other hand, the

RE: BellSouth: please stop advertising 209.152.54.0/23

2004-08-10 Thread Deron J. Ringen
> -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of > Jon Snyder > Sent: Tuesday, August 10, 2004 1:31 PM > To: [EMAIL PROTECTED] > Subject: BellSouth: please stop advertising 209.152.54.0/23 > > > BellSouth is advertising 209.152.54.0/23, which is part

Re: BellSouth: please stop advertising 66.164.232.0/24

2004-08-10 Thread Pete Schroebel
sh ip bgp 66.164.232.1 BGP routing table entry for 66.164.232.0/24, version 19268449 Paths: (3 available, best #2, table Default-IP-Routing-Table) Not advertised to any peer 701 6389 6197 205.171.0.96 (metric 10) from 205.171.0.151 (205.171.0.151) Origin IGP, metric 1, localpref

Re: BellSouth: please stop advertising 209.152.54.0/23

2004-08-10 Thread John R. Sosebee
At 10:30 AM 8/10/2004 -0700, Jon Snyder wrote: I love customers that tell me .. "oh .. our network has not changed in years" yes .. our NOC # has changed .. it's 800-317-3343 .. I tried to call you but could not find a # :*) was trying to verify that this customer is/was not dual homed to us

BellSouth: please stop advertising 209.152.54.0/23

2004-08-10 Thread Jon Snyder
BellSouth is advertising 209.152.54.0/23, which is part of 209.152.32.0/19 owned by someone else who isn't a BellSouth customer. If anyone from BellSouth is listening, can you please make this stop? Or if you have a working contact at BellSouth please let me know. The number for their NOC liste

RE: BGP Redistribution question

2004-08-10 Thread Ejay Hire
Hello. Redistribute ospf xx subnets has some unusual behavior compared to other redistribution mechanisms. Instead of dumping everything from ospf into the other routing protocol, it only does a subset of routes. (If I remember right, only "internal" routes.) I think the command you probably w

Re: SPF again (Re: XO Mail engineers?)

2004-08-10 Thread Valdis . Kletnieks
On Tue, 10 Aug 2004 05:17:17 -, Paul Vixie said: > i suspect it's not the number of RR's or even the obscurity of those RR's, > but rather the fact that the RR's keep changing in number, kind, and name, Well, "That RR looked totally different last month" certainly qualifies said RR as "weird"