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Cross-layer link failure alerts

  • US 9,825,828 B2
  • Filed: 11/19/2014
  • Issued: 11/21/2017
  • Est. Priority Date: 08/26/2014
  • Status: Active Grant
First Claim
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1. A network device comprising:

  • a processor;

    a radio chipset coupled to the processor, associated with a radio link layer of a communication stack, and configured to establish a radio communication link to a network and determine, as a failure, that the radio communication link has failed;

    one or more components coupled to the radio chipset and the processor, associated with one or more other layers of the communication stack, and configured to receive an alert of the failure of the radio communication link; and

    a timer associated with the one or more components and which initiates following the failure of the radio communication link,wherein the radio chipset is further configured to provide or make available the alert to the one or more components,wherein the one or more components include an application controller or connection manager configured to receive the alert, determine one or more applications with active connections, and provide the alert to the one or more applications, andwherein the radio chipset is configured to provide the alert to the one or more components within a time period that is less than a timeout period associated with the timer.

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