Abstract
Internet Protocol version 6 (IPv6) was standardized more than a decade and a half ago even then the security associations has not yet gained its momentum. IPv6 nodes use the Neighbor Discovery Protocol (NDP) to discover other link local address on the link, NDP covers host initialization and address auto configuration. IPv6 mandates to support Internet Protocol Security (IPSec). However, this security protocol does not cover the link local communication that uses neighbor discovery. NDP is vulnerable to various attacks when it is not secured and impractical due to the very large number of manually configured security associations needed for protecting NDP. For this reason, RFC 3971, the SEcure Neighbor Discovery (SEND) Protocol was proposed. SEND is a Strong security mechanism that can make the IPv6 link-local communication very safe. Although the SEND is considered to be a promising solution with which to protect NDP and to make IPv6 a very secure protocol, the deployment is not easy and thus very challenging. This paper propose performance analysis and comparison framework for SEND functionalities, discuss the practical consideration and approaches of SEND deployment in securing IPv6 network.
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