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Communications
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===============
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All the communication are done over HTTP using JSON.
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Errors
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======
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In case of error a standard HTTP error is raise and you got a
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JSON like that
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.. code-block:: json
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{
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"status": 409,
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"message": "Conflict"
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}
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Limitations
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============
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Concurrency
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------------
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A VM can't process multiple request in the same time. But you can make
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multiple request on multiple VM. It's transparent for the client
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when the first request on a VM start a lock is acquire for this VM id
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and released for the next request at the end. You can safely send all
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the requests in the same time and let the server manage an efficent concurrency.
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We think it can be a little slower for some operations, but it's remove a big
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complexity for the client due to the fact only some command on some VM can be
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concurrent.
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