neering Task Force, April 2006. 170. Kent, S. IP Authentication Header. RFC 4302, Internet Engineering Task Force, December 2005. 171. Chittimaneni, K., Kaeo, M., and Vyncke, E. Operational Security Considerations for IPv6 Networks. Internet-Draft draft-ietf-opsec-v6-01, Internet Engineering Task Force, November 2012. Work in progress. 172. Gont, F. A method for Generating Stable Privacy-Enhanced Addresses with IPv6 Stateless Address Auto- configuration (SLAAC). Internet-Draft draft-ietf-6man-stable-privacy-addresses-03, Internet Engineering Task Force, January 2013. Work in progress. 173. Gont, F. Network Reconnaissance in IPv6 Networks. Internet-Draft draft-ietf-opsec-ipv6-host-scanning, Internet Engineering Task Force, December 2012. Work in progress. 174. Yourtchenko, A., Asadullah, S., and Pisica, M. Human-safe IPv6: Cryptographic transformation of host- names as a base for secure and manageable addressing. Internet-Draft draft-yourtchenko-humansafe-ipv6- 00, Internet Engineering Task Force, February 2012. Work in progress. 175. Nikander, P., Kempf, J., and Nordmark, E. IPv6 Neighbor Discovery (ND) Trust Models and Threats RFC 3756, Internet Engineering Task Force, May 2004. 176. Gont, F. Neighbor Discovery Shield (ND-Shield): Protecting against NeighborDiscovery Attacks. Internet- Draft draft-gont-opsec-ipv6-nd-shield-00, Internet Engineering Task Force, June 2012. Work in progress. 177. Chown, T. and Venaas, S. Rogue IPv6 Router Advertisement Problem Statement. RFC 6104, Internet Engineering Task Force, February 2011. 178. Lynn, C., Kent, S., and Seo, K. X.509 Extensions for IP Addresses and AS Identifiers. RFC 3779, Internet Engineering Task Force, June 2004. 179. Gagliano, R., Krishnan, S., and Kukec, A. Certificate Profile and Certificate Management for SEcure Neighbor Discovery (SEND). RFC 6494, Internet Engineering Task Force, February 2012. 180. Gagliano, R., Krishnan, S., and Kukec, A. Subject Key Identifier (SKI) SEcure Neighbor Discovery (SEND) Name Type Fields. RFC 6495, Internet Engineering Task