I think it is easy to check by using URLFetch to query other site then check IP.
just my idea;) On Mar 10, 10:19 pm, Myroslav Opyr <[email protected]> wrote: > Hi, > > even if Google is serving data from single datacenter, it can be still > faster to deliver data from app hosted at Google then from your own server. > > The reason is that Google has edge servers (proxies) in many datacenters > around the world. These servers have good connectivity to Google Datacenters > via either public networks or via their private backbone. > > When you resolve any google domain to IP, Google will provide you with local > Google proxy that will forward the request to Google datacenters. This is > much often faster then routing requests via public networks directly to > Google Datacenters, and more then that it is more reliable as proxies > maintain visibility maps from their proxies to datacenters, thus problems > with routing on the public Internet affect Google services less. > > I suppose that this affects GAE hosted applications as well. Even if > Google's edge proxies doesn't cache anything, they do improve speed of > access to Google infrastructure. > > My point of view is not official, and expresses external observer's point of > view. > > Regards, > > m. > > On Tue, Mar 10, 2009 at 16:17, Steve Robillard > <[email protected]>wrote: > > > > > > > I am working on a blog article on GAE and using it as a CDN per the yslow > > suggestions. I have a few questions I would like to verify. > > > 1) Is this data geographically dispersed and served from a location closest > > to the user? I thought that it was, but saw a recent post stating that all > > datastor operations were done from a single datacenter. > > > 2) Assuming that #1 is true is their a way to seed these edge location > > caches before the first request? > > > 3) The new quotas will allow serving a file of 10mb's but only allow > > serving 1 Gb of data per day. > > > Thanks, > > > For your help. > > > Steve Robillard > > > Steve Robillard > > CIO, SR-PS, Inc. > > 8 Elm Court > > East Haven, CT 06512 > > (203) 500-1027 > >www.sr-ps.com > > -- > ..................................................................................................... > Myroslav Opyr ▪ CTO ▪ Quintagroup ▪ http://quintagroup.com > ˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙ --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
