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Naming and addressing are important issues for next generation Internet (NGI). In this paper, we discuss a new mobility and multihoming supporting identifier locator split architecture (MILSA). There are three main contributions of our solution. First, we separate trust relationships (realms) from connectivity (zones). A hierarchical identifier system for the realms and a Realm Zone Bridging Server (RZBS) infrastructure that performs the bridging function is introduced. Second, we separate the signaling and data plane functions to improve the performance and support mobility. Third, to provide transparency to the upper layer applications, identifier locator split happens in network layer. A Hierarchical URI-like Identifier (HUI) is used by the upper layers and is mapped to a locators set by HUI Mapping Sublayer (HMS) through interaction with RZBS infrastructure. Further scenarios description and analysis show the benefits of this scheme for routing scalability, mobility and multihoming.
Date of Conference: Nov. 30 2008-Dec. 4 2008