[AusNOG] Amazon: And the winner is (not) Sydney

Daniel Hooper dhooper at gold.net.au
Thu Mar 3 15:55:09 EST 2011


I was under the impression google had a cache in Perth as well, they certainly have peered via waix.


dhooper at opsview:~$ traceroute 8.8.8.8
traceroute to 8.8.8.8 (8.8.8.8), 30 hops max, 40 byte packets
 1  192.168.70.253 (192.168.70.253)  2.308 ms  2.369 ms  2.446 ms
 2  ip125.net129.emerge.net.au (203.57.129.125)  2.581 ms  2.712 ms  2.746 ms
 3  gi-0-3-bdr1.per.gold.net.au (203.57.128.5)  7.873 ms  8.754 ms  8.785 ms
 4  google.ix.waia.asn.au (198.32.212.12)  9.367 ms  9.401 ms  9.435 ms
 5  66.249.95.210 (66.249.95.210)  9.518 ms  9.536 ms 66.249.95.244 (66.249.95.244)  9.586 ms
 6  66.249.95.246 (66.249.95.246)  142.866 ms  141.197 ms  141.455 ms
 7  209.85.242.233 (209.85.242.233)  147.623 ms  147.640 ms  147.475 ms
 8  209.85.242.125 (209.85.242.125)  147.802 ms  147.242 ms  147.270 ms
 9  66.249.94.166 (66.249.94.166)  154.129 ms  154.164 ms 66.249.94.126 (66.249.94.126)  155.242 ms
10  google-public-dns-a.google.com (8.8.8.8)  148.242 ms  148.179 ms  148.466 ms

Traceroute taken 600km's out of Perth in regional WA.

-Dan

-----Original Message-----
From: ausnog-bounces at lists.ausnog.net [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Michael Kratz
Sent: Thursday, 3 March 2011 12:52 PM
To: Matt Carter
Cc: AusNOG at lists.ausnog.net
Subject: Re: [AusNOG] Amazon: And the winner is (not) Sydney


On 03/03/2011, at 3:18 PM, Matt Carter wrote:

>> 
>> Pinging www.l.google.com [66.102.11.104] with 32 bytes of data:
>> Reply from 66.102.11.104: bytes=32 time=44ms TTL=53 Reply from 
>> 66.102.11.104: bytes=32 time=44ms TTL=53
>> 
>> Getting 44ms here (from internode)
>> 
> 
> I can see lots of discussion suggesting otherwise, (I see 0-1msec to 
> this IP from my kit in Sydney)
> 
> So, curious where about's in internode this ping was performed from, 
> an end user DSL, or service provider infrastructure (which is where 
> other people contributing to this thread are doing their traces from, 
> so just wondering, are we comparing apples for apples here???)
> 
> ... I can see you are in located in Adelaide via an internode DSL? and when I do the math on what I see to google (0-1 msec) and I add what I see to internode LNS in Adelaide (20ms) then I do an LFT to your PPP which shows a differential to the LNS of another 24ms for your last hop, when we add the internode latency to Adelaide, 20 + your last hop latency of 24 = 44-45ms..... which is the exact figure you are coming up with?
> 
> .... I'm trying very desperately not to do 1+1 = window here. Where was this "44ms" ping performed _FROM_ ?


Looking glass is your friend: http://looking-glass.internode.on.net/

Tracing the route to www.l.google.com (66.102.11.104)

  1 gi1-2-950.cor1.syd6.internode.on.net (150.101.199.50) 0 msec 0 msec 0 msec
  2 gi6-0-0-111.bdr1.syd7.internode.on.net (150.101.120.225) 0 msec 0 msec 4 msec
  3 72.14.223.1 0 msec 0 msec 0 msec
  4 66.249.95.224 0 msec 0 msec 4 msec
  5 64.233.174.242 12 msec 12 msec 0 msec
  6 www.l.google.com (66.102.11.104) 4 msec 0 msec 4 msec

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