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Subscription based polling for resource updates

  • US 9,253,244 B1
  • Filed: 06/20/2013
  • Issued: 02/02/2016
  • Est. Priority Date: 06/20/2013
  • Status: Active Grant
First Claim
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1. A computer-implemented method, comprising:

  • during a communication session with a user device, receiving an initial request for a resource to be presented on the user device, the initial request including;

    a resource identifier that distinguishes the resource; and

    a subscriber identifier corresponding to the communication session;

    accessing subscription information associated with the subscriber identifier, the subscription information comprising one or more resource subscriptions describing one or more resources subscribed to by the user device during the communication session;

    sending, to the user device, an initial version of the resource;

    updating the subscription information to include a resource subscription for the resource;

    receiving, from the user device, a request for updates that includes the subscriber identifier;

    determining one or more resource subscriptions corresponding to the subscriber identifier included in the request for updates, based on the subscription information;

    determining one or more updates to the initial version of the resource, the one or more updates made since a time corresponding to the initial request for the resource; and

    in response to the request for updates, sending the one or more updates to the user device.

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