Akamai Edgekey issues ?
jra at baylink.com
Tue Sep 3 13:58:20 UTC 2013
----- Original Message -----
> From: "Matthew Petach" <mpetach at netflight.com>
> On Mon, Sep 2, 2013 at 7:33 PM, Jorge Amodio <jmamodio at gmail.com>
> > Here is another bit of data... www.apple.com not reachable from a
> > machine
> > using Google's NS, reachable from an iPad using TWC NS
> > IP addresses returned by each are different ... could be load
> > balancing, or
> > creative (broken) traffic engineering
> Far more likely to be simply due to Akamai
> localizing the IP addresses to be as "close"
> to the resolving nameserver as possible;
> so, when using Google DNS, you end up
> at an Akamai node "close" to the Google
> DNS server; when using the TWC nameservers,
> you end up pointing to an Akamai node closer
> to those TWC nameservers.
> Not a case of "broken" traffic engineering at all.
Sure it is.
It's assuming that the geographic location of a customer resolver server
has anything whatever to do with the geographic location of the end node,
which it's not in fact a valid proxy for.
Jay R. Ashworth Baylink jra at baylink.com
Designer The Things I Think RFC 2100
Ashworth & Associates http://baylink.pitas.com 2000 Land Rover DII
St Petersburg FL USA #natog +1 727 647 1274
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