Hi Suman,
A request from an App Engine application, either from the same project or from other projects, will be routed to the best suited backend service by the frontend <https://cloud.google.com/solutions/architecture/webapp>. When a request comes from the App Engine, it will be redirected to the closest available Cloud Datastore replica, approving your assumption. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at https://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/d06d0a86-f6d1-4ffa-a443-b4e1c8e17af2%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.