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http://dx.doi.org/10.3745/KIPSTC.2012.19C.3.191

Cost-Effective Inter-LMA Domain Distributed Mobility Control Scheme in PMIPv6 Networks  

Jang, Soon-Ho (성균관대학교 정보통신대학원)
Jeong, Jong-Pil (성균관대학교 정보통신공학부)
Publication Information
The KIPS Transactions:PartC / v.19C, no.3, 2012 , pp. 191-208 More about this Journal
Abstract
Proxy Mobile IPv6 (PMIPv6) is designed to provide network-based mobility management support to an MN without any involvement of the MN in the mobility related signalling, hence, the proxy mobility entity performs all related signalling on behalf of the MN. The new principal functional entities of PMIPv6 are the local mobility anchor (LMA) and the mobile access gateway (MAG). In PMIPv6, all the data traffic sent from the MN gets routed to the LMA through a tunnel between the LMA and the MAG, but it still has the single point of failure (SPOF) and bottleneck state of traffic. To solve these problems, various approaches directed towards PMIPv6 performance improvements such as route optimization proposed. But these approaches add additional signalling to support MN's mobility, which incurs extra network overhead and still has difficult to apply to multiple-LMA networks. In this paper, we propose a improved route optimization in PMIPv6-based multiple-LMA networks. All LMA connected to the proxy internetworking gateway (PIG), which performs inter-domain distributed mobility control. And, each MAG keeps the information of all LMA in PMIPv6 domain, so it is possible to perform fast route optimization. Therefore, it supports route optimization without any additional signalling because the LMA receives the state information of route optimization from PIG.
Keywords
Mobile Networks; Distributed Mobility Control; Proxy Mobile IPv6; PIG;
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