COMMUNICATION METHOD, COMMUNICATION SYSTEM, MOBILE NODE, ACCESS ROUTER

Disclosed is a technique to reduce the number of messages to register mobile node position information with a home agent when a mobile node roams into a foreign network domain having a roaming relationship with a home network domain. Upon reception of network information 40, when the network informa...

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Bibliographic Details
Main Authors LIM CHUN KEONG BENJAMIN, ASO KEIGO, KOH TIEN MING BENJAMIN, NG CHAN WAH
Format Patent
LanguageEnglish
Published 20.01.2011
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
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Summary:Disclosed is a technique to reduce the number of messages to register mobile node position information with a home agent when a mobile node roams into a foreign network domain having a roaming relationship with a home network domain. Upon reception of network information 40, when the network information 40 contains a foreign prefix, a MN 11 creates a care-of address (CoA) using the foreign prefix (Step S44). The MN 11 further checks whether the network information 40 contains a home prefix (Step S45). When no home prefix is included in the prefix 203, a BU message is transmitted to a home MAP 1000 (Step S46). When a home prefix exists in the prefix 203, the BU message is not transmitted to the home MAP 1000 (Step S47).
Bibliography:Application Number: US20090922835