| 摘要(英) |
MPLS systems will be used in core networks where systemdowntime must be kept to an absolute minimum. Many MPLSLSRs may, therefore, exploit Fault Tolerant (FT) hardwareor software to provide high availability of the corenetworks.The details of how FT is achieved for the variouscomponents of an FT LSR, including LDP, CR-LDP, theswitching hardware and TCP, are implementation specific.This document identifies issues in the CR-LDPspecification [2] and the LDP specification [4] that makeit difficult to implement an FT LSR using the current LDPand CR-LDP protocols, and proposes enhancements to theLDP specification to ease such FT LSR implementations.The extensions described here are equally applicable toCR-LDP. |
| 參考文獻 |
[1] E. Rosen,A. Viswanathan, R. Callon " Multiprotocol Label Switching Architecture" RFC 3031 January,2001.
[2] Uyless Black "MPLS and Label Switching Networks" Prentice Hall,2000.
[3] Bruce Davie,Yakov Rekhter "MPLS Technology and Applications" Morgan Kaufmann,2000.
[4] 傅昌五,李運欽 "A Study on the MPLS Technology"電信研究雙月刊第29卷第五期,民國88年10月.
[5] Haeryong Lee et al., "End-to-end QoS architecture for VPNs: MPLS VPN deployment in a backbone network" 2000. Proceedings. 2000 International Workshops on , 2000 Page(s): 479 –483
[6] D. Awduche,J. Malcolm,J. Agogbua,M. O’Dell,J. McManus, "Requirements for Tfaffic Emgineering Over Mpls" RFC 2702 September,1999.
[7] Keping Long; Zhongshan Zhang; Shiduan Cheng High Performance Switching and Routing, "Load balancing algorithms in MPLS traffic engineering ", 2001 IEEE Workshop on , 2001 Page(s): 175 –179.
[8] Swallow, G."MPLS advantages for traffic engineering" IEEE Communications Magazine , Volume: 37 Issue: 12 , Dec. 1999
Page(s): 54 –57.
[9] Xipeng Xiao; Hannan, A.; Bailey, B.; Ni, L.M. "Traffic engineering with MPLS in the Internet "IEEE Network , Volume: 14 Issue: 2 , March-April 2000 Page(s): 28 –33.
[10] Ghanwani, A. et al., "Traffic engineering standards in IP-networks using MPLS " IEEE Communications Magazine , Volume: 37 Issue: 12 , Dec. 1999 Page(s): 49–53.
[11] Dickie,Mark "Routing in today’s internetworks : the routing protocols of IP,DECnet,Netware,and Apple Talk "New York,N.Y:Van Nostrand Reinhold,1994.
[12] T. Li,Y. Rekhter "A Provider Architecture for Differentiated Services and Traffic Engineering" RFC 2430 October 1998.
[13] Le Faucheur et al., "MPLS Support of Differentiated Services," RFC 3270, May 2002.
[14] L. Andersson et al., "LDP Specification" RFC 3036 January 2001.
[15] D. Awduche et al., "RSVP-TE: Extensions to RSVP for LSP Tunnels" RFC 3209 December 2001.
[16] D. Awduche et al., "Applicability Statement for Extensions to RSVP for LSP-Tunnels " RFC 3210 December 2001.
[17] B. Jamoussi et al., "Constraint-Based LSP Setup using LDP " RFC 3212 January 2002.
[18] J. Ash et al., " LSP Modification Using CR-LDP" RFC 3214 January 2002.
[19] M. Kodialam and T. V. Lakshman. "Minimum Interference Routing with Applications to MPLS Traffic Engineering". In Proc. of IEEE Infocom, 2000. |
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