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RFC 2547bis. draft-ietf-l3vpn-rfc2547bis-03.txt (work in progress).

Behringer, M. "Analysis of the Security of BGP/MPLS IP VPNs." draft-behringer-mpls-security-xx.txt, April 2005.

Rosen, E. "Use of PE-PE GRE or IP in BGP/MPLS IP Virtual Private Networks." draft-ietf-l3vpn-gre-ip-2547-xx.txt, April 2005.

Bonica, R., Rekhter, Y. et al. "CE-to-CE Member Verification for Layer 3 VPNs." draft-ietf-l3vpn-l3vpn-auth-xx.txt, June 2005.

Behringer, M. "Layer-3 VPN Import/Export Verification," draft-ietf-l3vpn-verification-00, March 2005.

Fang, Luyuan (ed.) and AT&T. "Security Framework for Provider Provisioned Virtual Private Networks." draft-ietf-l3vpn-security-framework-xx.txt, May 2005.

Townsley, W. M., et al. "Encapsulation of MPLS over Layer 2 Tunneling Protocol Version 3." draft-ietf-mpls-over-l2tpv3-xx.txt, February 2005.

Baugher, M., Weis, B., Hardjono, T., Harney, H. RFC 3547, "The Group Domain of Interpretation." July 2003.

Lau, J., Townsley, M., and Goyret, I. (eds.). RFC 3931, "Layer Two Tunneling Protocol?Version 3 (L2TPv3)." March 2005.

Kent, S., Atkinson, R. RFC 2401, "Security Architecture for the Internet Protocol." November 1998.

Rekhter, Y., and Li, T. RFC 1771, "A Border Gateway Protocol 4 (BGP-4)." March 1995.