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ODU PATH PROTECTION IN A DISAGGREGATED OTN SWITCHING SYSTEM

  • US 20170310387A1
  • Filed: 01/30/2017
  • Published: 10/26/2017
  • Est. Priority Date: 04/21/2016
  • Status: Active Grant
First Claim
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1. An optical transport network (OTN) comprising:

  • a first OTN switch connected to a working optical data unit (ODU) path and a protection ODU path from a second OTN switch, the first OTN switch comprising;

    a first ingress plug-in universal (PIU) module receiving ODUs from the second OTN switch via the working ODU path and transmitting Ethernet packets to an Ethernet fabric included in the first OTN switch;

    a second ingress PIU module receiving the ODUs from the second OTN switch via the protection ODU path, the second ingress PIU module connected to the Ethernet fabric; and

    a first egress PIU module receiving the Ethernet packets from the Ethernet fabric;

    the first OTN switch, in response to determining that a protection switch using the protection ODU path is to be performed on the working ODU path, enabled to perform the protection switch to;

    receive the Ethernet packets via the Ethernet fabric from the second ingress PIU module from the protection ODU path.

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