Hi C30,

This is definitely not allowed, as per section 4.4 of the Google App Engine
Terms of Service (http://code.google.com/appengine/terms.html):

"4.4. You may not develop multiple Applications to simulate or act as a
single Application or otherwise access the Service in a manner intended to
avoid incurring fees."

Nick


On 29 September 2010 15:05, charming30 <[email protected]> wrote:

>  Hello GAE Experts,
>
> I am trying to see if it possible to build an App which uses multiple
> Google App Engine Accounts - sort of a distributed App on GAE.
>
> Fact: Each Google Account can have upto 10 Google AppEngine Apps under it.
>
> My Requirement: What i am trying to do is to see if my Media intensive App
> can be distributed over multiple GAE Apps so that it will remain within the
> FREE quota in terms of storage and CPU processing.
>
> Design Concept: A mother ship App on one Google AppEngine App. Multiple
> Child Google AppEngines Apps under different Google Accounts which are just
> interfaces to their Datastore. Google Provides a way to connect to remote
> datastore from one App to another.
>
>    1. So effectively, The mother Ship has the real App which my users will
>    access.
>    2. The Mother App has meta data about which child app has what data.
>    3. Mother App interfaces with child apps through remote Datastore Api
>    to get what it wants.
>    4. All incoming and data transfer will happen only via Mother App.
>    Outgoing could be directly from the child App (hot-linking etc). In this
>    case I will need to pay for heavy data transfer in - i understand this.
>
> Result: If I have 10 Child Apps, I get 10GB free quota storage instead of
> 1GB typically provided for a single Google AppEngine App.
>
> My Requirement: To build a Media intensive App which needs very large
> storage, probably in terabytes. I dont want to use AWS S3 or other services
> at the moment, until time is right. I am most comfortable with GAE.
>
> My Questions:
>
> 1. Is this legal? (Google Team, please comment on this)
>
> 2. What pit falls exist in this concept ?
>
> 3. I will be using Java, any libraries that may help? 4. Anyone has done
> anything like this?
>
> Please advice.. :-)
>
> C30
>
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