draft-ietf-bfd-multihop-05.txt   draft-ietf-bfd-multihop-06.txt 
Network Working Group D. Katz Network Working Group D. Katz
Internet Draft Juniper Networks Internet Draft Juniper Networks
D. Ward D. Ward
Cisco Systems Cisco Systems
Expires: September, 2007 March, 2007 Expires: July, 2008 January, 2008
BFD for Multihop Paths BFD for Multihop Paths
draft-ietf-bfd-multihop-05.txt draft-ietf-bfd-multihop-06.txt
Status of this Memo Status of this Memo
By submitting this Internet-Draft, each author represents that any By submitting this Internet-Draft, each author represents that any
applicable patent or other IPR claims of which he or she is aware applicable patent or other IPR claims of which he or she is aware
have been or will be disclosed, and any of which he or she becomes have been or will be disclosed, and any of which he or she becomes
aware will be disclosed, in accordance with Section 6 of BCP 79. aware will be disclosed, in accordance with Section 6 of BCP 79.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that Task Force (IETF), its areas, and its working groups. Note that
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5. Authentication 5. Authentication
By their nature, multihop paths expose BFD to spoofing. By their nature, multihop paths expose BFD to spoofing.
Implementations of BFD SHOULD utilize authentication over multihop Implementations of BFD SHOULD utilize authentication over multihop
paths to help mitigate denial-of-service attacks. paths to help mitigate denial-of-service attacks.
Normative References Normative References
[BFD] Katz, D., and Ward, D., "Bidirectional Forwarding Detection", [BFD] Katz, D., and Ward, D., "Bidirectional Forwarding Detection",
draft-ietf-bfd-base-06.txt, March, 2007. draft-ietf-bfd-base-07.txt, January, 2008.
[BFD-1HOP] Katz, D., and Ward, D., "BFD for IPv4 and IPv6 (Single [BFD-1HOP] Katz, D., and Ward, D., "BFD for IPv4 and IPv6 (Single
Hop)", draft-ietf-bfd-v4v6-1hop-06.txt, March, 2007. Hop)", draft-ietf-bfd-v4v6-1hop-07.txt, January, 2008.
[BFD-MPLS] Aggarwal, R., and Kompella, K., "BFD for MPLS LSPs", [BFD-MPLS] Aggarwal, R., and Kompella, K., "BFD for MPLS LSPs",
draft-ietf-bfd-mpls-04.txt, March, 2007. draft-ietf-bfd-mpls-04.txt, March, 2007.
[KEYWORD] Bradner, S., "Key words for use in RFCs to Indicate [KEYWORD] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", RFC 2119, March 1997. Requirement Levels", RFC 2119, March 1997.
[OSPFv2] Moy, J., "OSPF Version 2", RFC 2328, April 1998. [OSPFv2] Moy, J., "OSPF Version 2", RFC 2328, April 1998.
[OSPFv3] Coltun, R., et al, "OSPF for IPv6", RFC 2740, December 1999. [OSPFv3] Coltun, R., et al, "OSPF for IPv6", RFC 2740, December 1999.
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http://www.ietf.org/ipr. http://www.ietf.org/ipr.
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ipr@ietf.org. ipr@ietf.org.
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Copyright (C) The IETF Trust (2007). Copyright (C) The IETF Trust (2008).
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Acknowledgement Acknowledgement
Funding for the RFC Editor function is currently provided by the Funding for the RFC Editor function is currently provided by the
Internet Society. Internet Society.
This document expires in September, 2007. This document expires in July, 2008.
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