Domain-based identifier-locator mapping management for distributed mobility control

Mobility management is one of the crucial requirements for IP-based future mobile networks. Some works have recently been made on identifier-locator mapping management for mobility control with the identifier-locator separation principle. However, the existing management schemes are still subject to scalability problem and performance degradation. In this paper, we propose a domain-based identifier-locator mapping management for distributed mobility control, in which a identifier of mobile node represents the domain that a mobile node belongs to, and the mapping information of identifiers and locators will be managed in the distributed way at each domain gateway by using the domain information contained in the identifier. From the numerical analysis, we can see that the proposed domain-based mapping management scheme can provide better performance than the existing centralized and hash-based mapping management schemes in terms of total delays including registration delay and data delivery delays.