Open Grid Protocol Alternative Introduction
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The OGPA is an effort to define a protocol based on the Open Grid Protocol
but with more use of common standards such as OAuth, JSON, XMPP etc. 
It's goal is to make implementing it as easy as possible for web developers.

This means it needs to be easy to be implemented by web frameworks
and needs to have only few points where some different protocol or standard
implementation is necessary.

Goals
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 * reusing existing web standards whereever possible
 * increasing compatibility with existing web frameworks


Terms
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We reuse the same terms like Agent Domain, Region Domain and Viewer as they
are defined in the original protocol.