Discovery of physically adjacent neighbor devices using a...

Details Discovery of physically adjacent neighbor devices using a... Discovery of physically adjacent neighbor devices using a...

2006-02-27

2009-12-15

Pham, Chi H (Department: 2416)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S320000, C370S338000

Reexamination Certificate

active

07633952

ABSTRACT:
Equipment generates a discovery message containing its address
ode identification (ID) and/or other information. Adjacent equipment (e.g., physically adjacent equipment) monitors control overhead bytes (section trace (J0) bytes, Data Communication Channel (DCC) control overhead, General Communication Channel (GCC) control overhead, etc.) for this message, but does not generate a corresponding response message as called for in the standards/implementation agreements. Rather, it records the address
ode ID and/or other information in order to identify its neighbor, and uses an alternative mechanism to either record the adjacency separately (e.g., at a Network Management System (NMS) in order to populate or verify its topology database) or communicate an out-of-band control message to the neighbor (e.g., using the received address
ode ID as the destination address for the out-of-band control message, which carries its own address
ode ID and link information). Such automated population and/or verification of node and/or NMS topology databases improves the speed and accuracy of network resource allocation.

REFERENCES:
patent: 6832253 (2004-12-01), Auerbach
patent: 2004/0054820 (2004-03-01), Karaoguz et al.
patent: 2005/0018612 (2005-01-01), Fitzgerald
patent: 2006/0205354 (2006-09-01), Pirzada et al.
patent: 2006/0209719 (2006-09-01), Previdi et al.
patent: 2006/0239455 (2006-10-01), Kato
patent: 2007/0097880 (2007-05-01), Rajsic
patent: 2007/0147283 (2007-06-01), Laroia et al.

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