Optical communications – Multiplex – Optical switching
Reexamination Certificate
2008-07-16
2011-11-15
Liu, Li (Department: 2613)
Optical communications
Multiplex
Optical switching
C398S049000, C398S050000, C398S051000, C398S057000, C370S351000
Reexamination Certificate
active
08059960
ABSTRACT:
A network component comprising at least one processor configured to implement a method comprising transmitting a request to compute a routing assignment, a wavelength assignment, or both, wherein the request comprises a lightpath constraint indicator is disclosed. Also disclosed is an apparatus comprising a Path Computation Client (PCC) configured to transmit a request to and receive a reply from a Path Computation Element (PCE), wherein the request comprises a lightpath constraint, and wherein the reply comprises a routing assignment, a wavelength assignment, an error message, a no-path indication, or combinations thereof. Included is a method comprising receiving a request comprising a request parameter (RP) object comprising a lightpath constraint, sending a reply comprising a routing assignment, a wavelength assignment, an error message, a no-path indicator, or combinations thereof, wherein the request is received and the reply is sent using path computation element protocol (PCEP).
REFERENCES:
patent: 6996342 (2006-02-01), Park et al.
patent: 2003/0009598 (2003-01-01), Gunluk et al.
patent: 2005/0008367 (2005-01-01), Laalaoua
patent: 2006/0198308 (2006-09-01), Vasseur et al.
patent: 2007/0212068 (2007-09-01), Miyazaki et al.
patent: 2007/0217419 (2007-09-01), Vasseur
patent: 1362806 (2002-08-01), None
patent: 1578206 (2005-02-01), None
patent: 1592159 (2005-03-01), None
patent: 1642120 (2005-07-01), None
patent: 1707978 (2005-12-01), None
patent: 1791000 (2006-06-01), None
patent: 1901503 (2007-01-01), None
patent: 1282331 (2003-02-01), None
patent: 20040046518 (2004-06-01), None
patent: 2007012223 (2007-02-01), None
patent: 2007059652 (2007-05-01), None
Lee et al: Path Computation Element Communication Protocol (PCECP) Requirements and Protocol Extensions in Support of Global Concurrent Optimization, draft-lee-pce-global-concurrent-optimization-04.txt, IETF Network Working Group, May 29, 2007, pp. 1-32.
Vasseur et al, “Path Computation Element (PCE) communication Protocol (PCEP)”, draft-ietf-pce-pcep-07.txt, IETF Network Working Group, Mar. 2, 2007, pp. 1-70.
Bernstein et al: “Framework for GMPLS and PCE Control of Wavelength Switched Optical Networks”, draft-bernstein-ccamp-wavelength-switched-02.txt, Network Working Group, Oct. 25, 2007, pp. 1-34.
Foreign Communication From a Related Counterpart Application—International Search Report and Written Opinion, PCT/CN2008/072806, Feb. 12, 2009, 10 pages.
Vasseur, J.P., et al., “Path Computation Element (pce) Charter”, Jun. 24, 2008, 4 pgs.
Lee, Y., et al.,“Path Computation Element Communication Protocol (PCECP) Requirements and Protocol Extensions in Support of Global Concurrent Optimization”, IETF Network Working Group, draft-ietf-pce-global-concurrent-optimiztion-02.txt, Feb. 21, 2008, 28 pgs.
Le Roux, J.L., et al. “OSPF Protocol Extensions for Path Computation Element (PCE) Discovery”, IETF Network Working Group, RFC 5088, Jan. 2008, 19 pgs.
Le Roux, J.L., et al., “IS-IS Protocol Extensions for Path Computation Element (PCE) Discovery”, IETF Network Working Group; draft-ietf-pce-disco-proto-isis-08.txt, Oct. 2007, 33 pgs.
Bernstein, G., et al. “Framework for GMPLS and PCE Control of Wavelength Switched Optical Networks”, IETF Network Working Group, draft-bernstein-ccamp-wavelength-switched-01.txt, Sep. 13, 2007, 31 pgs.
Vasseur, J.P., et al. “Path Computation Element (PCE) Communication Protocol (PCEP)”, IETF Network Working Group, draft-ietf-pce-pcep-08.txt, Jul. 5, 2007, 49 pgs.
Le Roux, J.L., et al., “Encoding of Objective Functions in Path Computation Element (PCE) Communication and Discovery Protocols”, IETF Network Working Group, draft-leroux-pce-of-01.txt, Jul. 2007, 20 pgs.
Ash, J., et al., “Path Computation Element (PCE) Communication Protocol Generic Requirements”, IETF Network Working Group, RFC 4657, Sep. 2006, 21 pgs.
Farrel, A., et al., “A Path Computation Element (PCE)—Based Architecture”, IETF Network Working Group, RFC 4655, Aug. 2006, 38 pgs.
Berger, L., “Generalized Multi-Protocol Label Switching (GMPLS) Signaling Functional Description”, IETF Network Working Group, RFC 3471, Jan. 2003, 32 pgs.
Berger, L., “Generalized Multi-Protocol Label Switching (GMPLS) Signaling Resource Reservation Protocol-Traffic Engineering (RSVP-TE) Extensions”, IETF Network Working Group, RFC 3473, Jan. 2003, 43 pgs.
Crocker, D., et al., “Augmented BNF for Syntax Specifications: ABNF”, IETF Network Working Group, RFC 2234, Nov. 1997, 16 pgs.
Bradner, S., “Key words for use in RFCs to Indicate Requirement Levels”, IETF Network Working Group, RFC 2119, Mar. 1997, 3 pgs.
Foreign Communication From a Related Counterpart Application, European Patent 08844295, Extended European Search Report, Nov. 19, 2010, 9 pages.
Martinez, R. et al., “Challenges and Requirements for Introducing Impairment-Awareness Into the Management and Control Planes of ASON/GMPLS WDM Networks,” IEEE Communications Magazine, Dec. 2006, pp. 76-85.
Vasseur, J. P., et al. “Path Computation Element (PCE) Communication Protocol (PCEP),” draft-ietf-pce-pcep-07.txt, Mar. 2, 2007.
Lee, Y. et al., “Path Computation Element Communication Protocol (PCEP) Requirements and Protocol Extensions in Support of Global Concurrent Optimization,” draft-lee-pce-global-concurrent-optimization-04.txt, May 29, 2007.
Bernstein, G., et al. “Framework for GMPLS and PCE Control of Wavelength Switched Optical Networks,” draft-bernstein-ccamp-wavelength-switched-02.txt, Oct. 25, 2007.
Bernstein, G., et. al., “Framework for GMPLS and PCE Control of Wavelength Switched Optical Networks,” draft-bernstein-ccamp-wavelength-switched-01.txt, Sep. 13, 2007, 31 pages.
Bernstein, G., et. al., “Framework for GMPLS and PCE Control of Wavelength Switched Optical Networks,” draft-bernstein-ccamp-wavelength-switched-03.txt, Feb. 19, 2008, 68 pages.
Lee, Y., et. al., “PCEP Requirements and Extensions for WSON Routing and Wavelength Assignment,” draft-lee-pce-wson-routing-wavelength-02.txt, Jun. 27, 2008, 17 pages.
Lee, Y., et. al., “Path Communication Element Communication Protocol (PCEP) Requirements and Protocol Extensions in Support of Global Concurrent Optimization,” draft-ietf-pce-global-concurrent-optimization-00.txt, Jun. 22, 2007, 32 pages.
Lee, Y., et. al., “Path Communication Element Communication Protocol (PCEP) Requirements and Protocol Extensions in Support of Global Concurrent Optimization,” draft-ietf-pce-global-concurrent-optimization-04.txt, Jul. 14, 2008, 31 pages.
Le Roux, J., et. al., “Encoding of Objective Functions in Path Computation Element (PCE) Communication and Discovery Protocols,” draft-ietf-pce-of-00.txt, Sep. 2007, 20 pages.
Le Roux, J., et. al., “Encoding of Objective Functions in Path Computation Element (PCE) Communication Protocol,” draft-ietf-pce-of-03.txt, Jul. 2008, 19 pages.
Le Roux, J., et. al., “IS-IS Protocol Extensions for Path Computation Element (PCE) Discovery,” draft-ietf-pce-disco-proto-isis-08.txt, Oct. 2007, 17 pages.
Le Roux, J., et. al., “OSPF Protocol Extensions for Path Computation Element (PCE) Discovery,” draft-ietf-pce-disco-proto-ospf-08.txt, Oct. 2007, 20 pages.
Vasseur, JP., et. al., “Path Computation Element (PCE) Communication Protocol (PCEP)—Version 1,” draft-ietf-pce-pcep-01.txt, Feb. 24, 2006, 58 pages.
Vasseur, JP., et. al., “Path Computation Element (PCE) Communication Protocol (PCEP),” draft-ietf-pce-pcep-12.txt, Mar. 24, 2008, 77 pages.
Bradner, S., “Key Words for Use in RFCs to Indicate Requirement Levels,” RFC 2119, Mar. 1997, 3 pages.
Berger, L., “Generalized Multi-Protocol Label Switching (GMPLS) Signaling Functional Description,” RFC 3471, Jan. 2003, 31 pages.
Berger, L.,
Bernstein Greg
Lee Young
Conley & Rose, P.C.
Futurewei Technologies, Inc.
Liu Li
Rodolph Grant
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