nanog mailing list archives

Re: www.google.com latency/packet loss/very slow thru savvis


From: Richard A Steenbergen <ras () e-gerbil net>
Date: Tue, 13 Dec 2005 17:02:42 -0500


On Tue, Dec 13, 2005 at 03:46:43PM -0600, Erik Sundberg wrote:

hey is any one seeing a slow google to day... packet loss 22 hops...

visual traceroute show that it goes from chicago to los angeles to singapore
to italy to amsterdam and then finally to google in sunnyvale ca.
...yadayadayada...
 8  singapore-telecommunications-ltd.LosAngelesEquinix.savvis.net
(208.174.196.6)  64.209 ms  62.281 ms  62.374 ms
 9  laxeq-cr1.ge-3-0-0.ix.singtel.com (203.208.182.45)  62.767 ms
ge-0-3-0.laxeq-cr1.ix.singtel.com (203.208.168.221)  62.958 ms  62.604 ms
     MPLS Label=126512 CoS=0 TTL=1 S=1
10  so-3-3-2.sngc3-cr1.ix.singtel.com (203.208.154.25)  227.841 ms  225.874
ms  226.254 ms
     MPLS Label=100288 CoS=0 TTL=1 S=1
11  ge-1-0-0.sngc3-ar2.ix.singtel.com (203.208.172.158)  232.373 ms
ge-0-0-0.sngc3-ar2.ix.singtel.com (203.208.172.166)  232.503 ms  239.240 ms
12  203.208.147.238 (203.208.147.238)  424.056 ms *  429.784 ms
13  pal6-pakistan-telecom-1-pk.pal.seabone.net (195.22.197.193)  477.452 ms
478.886 ms *
14  amsix-ams2-racc1.ams.seabone.net (195.22.213.221)  483.282 ms  491.266
ms  480.559 ms
15  core1.ams.net.google.com (195.69.144.247)  448.393 ms  442.054 ms
435.464 ms

You'd be better off with an AS-PATH, but just follow the chain... Savvis 
-> Singtel -> Pakistan Telecom -> Seabone -> Google. Where I'm from, we 
call that a routing leak. Doesn't take too much work to guess where 
either. :)

-- 
Richard A Steenbergen <ras () e-gerbil net>       http://www.e-gerbil.net/ras
GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1 2CBC)


Current thread: