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Test communication protocol

  • US 10,079,762 B1
  • Filed: 04/24/2017
  • Issued: 09/18/2018
  • Est. Priority Date: 04/24/2017
  • Status: Active Grant
First Claim
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1. A test system comprising:

  • instrument modules to control testing of one or more devices under test;

    an Ethernet-based communication network; and

    a computing system configured to broadcast, periodically, control packets over the Ethernet-based communication network to the instrument modules, a control packet comprising data representing sequence numbers of last data packets received from the instrument modules and information based on each sequence number, the control packet comprising slots for all of the instrument modules, each slot containing the data that is specific to one of the instrument modules and each slot being indexed based on an identifier for the one of the instrument modules;

    the computing system also being configured to receive, via unicast and over the Ethernet-based communication network, an acknowledgement packet from each of the instrument modules in response to the control packet, the acknowledgement packet comprising repair information that is based on the control packet received by the instrument module from the computing system.

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