Link connectivity verification method

Details Link connectivity verification method Link connectivity verification method

2011-03-08

2011-03-08

Li, Shi K (Department: 2613)

Optical communications

Diagnostic testing

Determination of communication parameter

C398S031000, C398S032000

Reexamination Certificate

active

07903969

ABSTRACT:
A link connectivity verification message to recognize a physical link connection state is transmitted from the WDM to the PXC on a C-plane. The PXC transmits a link connectivity verification ACK message including information representing a physical link connection state, and the WDM transmits a cross-connect instruction message to cross-connect a transmission side and a reception side of a port (port1) of the PXC. Probe light transmitted from the port (port a) of the WDM is turned back by a cross-connect of the port (port1) of the PXC. The WDM receives the probe light to verify a link connectivity.

REFERENCES:
patent: 5043976 (1991-08-01), Abiven et al.
patent: 5436746 (1995-07-01), Hirst
patent: 5515361 (1996-05-01), Li et al.
patent: 2003/0030893 (2003-02-01), Cornelius et al.
patent: 2005/0083835 (2005-04-01), Prairie et al.
J Lang et al, Link Management Protocol, IETF Draft Jul. 2000.
J. Lang ed., et al.; “Link Management Protocol (LMP)”; Network Working Group Request for Comments: RFC 4204 Section 5; Oct. 2005; pp. 1-134.
A. Fredette, Ed., et al.; “Link Management Protocol (LMP) for Dense Wavelength Division Multiplexing (DWDM) Optical Line Systems”; Network Working Group Request for Comments: RFC 4209 Section 2; Oct. 2005; pp. 1-25.

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