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A Hierarchical Care-of Prefix with BUT Scheme for Nested Mobile Networks
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A Hierarchical Care-of Prefix with BUT Scheme for Nested Mobile Networks
Ing-Chau Chang1  , Chia-Hao Chou1 and Lin-Huang Chang2
| (1) |
Department of Computer Science and Information Engineering, National Changhua University of Education, Changhua, Taiwan, R.O.C. |
| (2) |
Graduate Institute of Networking and Communication Engineering, ChaoYang University of Technology, Wufeng County, Taichung,
Taiwan, R.O.C. |
Abstract
In this paper, we apply the hierarchical concept to the Care-of Prefix (CoP) scheme as HCoP and enhance HCoP with a novel
Binding Update Tree (BUT) structure as HCoP-B for NEtwork MObility (NEMO) management of the nested mobile network. As compared
to schemes such as Reverse Routing Header (RRH), Route Optimization using Tree Information Option (ROTIO) and HCoP with numerical
performance evaluations, HCoP-B achieves the shortest handoff latency and significantly reduces the consumed network bandwidth
of global binding update messages for route optimizations (RO) of all correspondent nodes (CN) after the nested mobile network
hands over to a new AR. Consequently, HCoP-B resolves the RO storm problem.
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