Integration of LISP and LISP-MN into INET
Proceedings of the 5th International ICST Conference on Simulation Tools and Techniques
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The Locator/ID Separation Protocol (LISP) is currently being developed and standardized in the IETF aiming to solve the Internet's routing scaling problem. It separates global routing in the Internet from local routing in end-user networks (so-called LISP-domains). It also provides additional benefits like simplified multihoming or the avoidance of network renumbering. The basic LISP architecture does not support mobility. Recently, the mobility extension LISP Mobile Node (LISP-MN) was presented. It describes a mechanism that enables LISP mobile nodes to roam into LISP and non-LISP networks while being reachable under the same identifier address. Currently, LISP-MN does not support networks that use network address translation (NAT). In this paper, we present a NAT traversal mechanism for LISP mobile nodes and a slight adaptation which is also applicable to stationary LISP domains behind a NAT.