Apparatus and method for automatic port identity discovery...

Details Apparatus and method for automatic port identity discovery... Apparatus and method for automatic port identity discovery...

H - Electricity

04

L

H04L 12/46 (2006.01) H04Q 11/04 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2338974

A network element for use in a heterogeneous telecommunications system employs "out of band" signalling to automatically discover the identity of the two ports connecting two network elements through a specific link. Either of the connected network elements may be a circuit switching network element or a packet switching network element. One network element initiates the port discovery process and transmits a SONET/SDH overhead signal to the network element attached at the other end of the link. The other network element monitors the status of its ports and, when it detects a change in state at one of the ports, resulting from the first network element's transmissions, the receiving, or passive, network element recognizes the port as the port which forms a part of the link of interest.

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