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Title : An Enhanced Mobile IPv6 Handover for Roaming between Administrative Domains Based on AAA
Author(s) : Y. Mun, et al.
Filename : draft-mun-mipshop-emipv6-aaa-02.txt
Pages : 14
Date : 2007-11-1
When Mobile IPv6 (MIPv6) is deployed in commercial network, a mobile
node needs AAA services for authentication, authorization and
accounting. MIPv6, however, does not provide any mean to authenticate
mobile nodes that are roaming in different domains, although visited
networks will need to check whether access of mobile nodes should be
authorized or not. Hence schemes which support both AAA services and
mobility have been emerged. These schemes enable access of the mobile
node to be authorized by visited networks through AAA as well as to
perform a home registration during AAA procedure. However, they
introduce lots of signal messages and long handover latency during
handover, since Route Optimization mode for MIPv6 is performed using
Return Routability procedure. Especially, the long handover latency
is a critical problem in real-time communication such as voice over
IP (VoIP). To solve these problems, we propose an optimized scheme
which performs Route Optimization mode using the AAA infrastructure
between the home agent and a correspondent node instead of Return
Routability procedure.
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