Hi Barry, thanks for your answers.
> > * Why is US so slow? > > Dont know Well currently I get ping times of about 70msec. Seems to be some google routing / proxy magic. > > * Why the major differences between ghs and appspot? > > ghs is a proxy of a number of different applications - including > appengine, but also blogspot and some Apps stuff like Sites. One that > knows how to deal with custom domains > > appspot is a dedicated appengine infrastructure. (and so can more > directly follow where appengine is currently hosted) Yeah that makes sense. Though, it would be really nice to get an official statement as there's a lot of roumours out there based upon personal experiences. BTW: I created this thread because of the currently discussed topic "GAE as CDN" and if you use it as CDN there are several considerations: * is GAE using edge / proxy servers for static content distribution (it seems, but not very "stable" based on my experiences with ghs.google.com where traffic is sometimes routed from US to europe [some hours ago ghs.google.com pointed to bw-in-f121.1e100.net when tracing it from US (and the location of this IP seems to be in europe because pingtime from there is about 17msec). A few hours later, ghs from my US location is routed to pw-in-f121.1e100.net which is indeed a US datacenter) * is it officially allowed to use GAE as Static CDN with high traffic? (Well, we pay for it, so I guess it's ok). Please Google, I'm willing to add a community FAQ and post comments into all "GAE as CDN" blogposts around the net, if you clarify these concerns. Thanks! :) Karl
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