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Misconnection Avoidance on Networks

  • US 20110305450A1
  • Filed: 10/04/2010
  • Published: 12/15/2011
  • Est. Priority Date: 06/10/2010
  • Status: Active Grant
First Claim
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1. A network, comprising:

  • a first communication link;

    a second communication link;

    a first switch node having a first input interface coupled to the first communication link an output interface coupled to the second communication link, the first input interface receiving a first TDM frame having a first user payload field including a first user data and a frame overhead field including a first identification from the first communication link, the first input interface configured to validate the first identification and reject the first TDM frame responsive to the first identification being invalid, and pass the first user data to the output interface responsive to the first identification being valid, the output interface receiving the first user data and generating a second TDM frame having a second user payload field including the first user data, and a second frame overhead field including a second identification with the second identification being different from the first identification; and

    a second switch node having a second input interface coupled to the second communication link and receiving the second TDM frame, the input interface of the second switch node configured to validate the second identification and reject the second TDM frame responsive to the second identification being invalid.

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