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Author Topic: Peer driver communication  (Read 427 times)

arefaydi

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Peer driver communication
« on: June 19, 2017, 02:29:36 PM »

Hello,
With such an architecture; peer to peer connected drivers with only local node and each driver connected to seperate one client (client-driver connection one-to-one), do drivers aware of tasks which delivered by other drivers to the nodes and take this into account while delivering tasks?
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lolo

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Re: Peer driver communication
« Reply #1 on: June 20, 2017, 06:36:49 AM »

Hello,

The short answer is yes. If for example, clientA sends a job to driverA, and local nodeA is already busy, driverA then sends the job to driverB which executes it on local nodeB, then the resulting executed tasks will be sent all the way back to clientA. This is true for any level of inderection in the job execution path. In other words, the results of a job are always delivered to the client that submitted it. This is possible because the job always maintains a "uuid path" in the form "clientUuid / driver1Uuid / ... / driverNUuid", so JPPF always knows where the job comes from and where to send the results back.

I hope this clarifies,
-Laurent
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