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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 10, Iss. 2 — Feb. 10, 2012
  • pp: 020604–

Efficient label distribution mechanism for bidirectional paths in MPLS-TP networks

Zongpeng Du, Yueming Lu, and Yuefeng Ji  »View Author Affiliations


Chinese Optics Letters, Vol. 10, Issue 2, pp. 020604- (2012)


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Abstract

Transport network paths are typically bidirectional and symmetrical. In multi-protocol label switching (MPLS) and generalized MPLS (GMPLS) mechanisms, independent labels are distributed for bidirectional paths. Thus, the requirement of the MPLS transport profile (MPLS-TP), which is a new transport technology, could not be satisfied efficiently. A novel label distribution mechanism for bidirectional paths in MPLS-TP networks is proposed. Labels distributed by the mechanism are symmetrical and can reflect the pairing relationship of the forward and backward directions of the transport path.

© 2012 Chinese Optics Letters

OCIS Codes
(060.4251) Fiber optics and optical communications : Networks, assignment and routing algorithms
(060.4259) Fiber optics and optical communications : Networks, packet-switched

Citation
Zongpeng Du, Yueming Lu, and Yuefeng Ji, "Efficient label distribution mechanism for bidirectional paths in MPLS-TP networks," Chin. Opt. Lett. 10, 020604- (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-2-020604


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References

  1. L. Andersson and S. Bryant, IEEE Internet Comput. 12, 69 (2008).
  2. H. Bai, Y. Lu, and Y. Ji, Chin. Opt. Lett. 8, 1043 (2010).
  3. RFC 5654 "Requirements of an MPLS Transport Profile" (2009).
  4. RFC 5921 "A Framework for MPLS in Transport Net-works" (2010).
  5. RFC 3209 "RSVP-TE: Extensions to RSVP for LSP Tunnels" (2001).
  6. RFC 3471 "Generalized Multi-Protocol Label Switching (GMPLS) Signaling Functional Description" (2003).
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