Updated data dissemination in ad hoc networks

Authors:
Hideki Hayashi;Takahiro Hara;Shojiro Nishio
Affiliations:
Dept. of Multimedia Eng., Grad. Sch. of Information Science and Tech., Osaka Univ., Osaka, Japan;Dept. of Multimedia Eng., Grad. Sch. of Information Science and Tech., Osaka Univ., Osaka, Japan;Dept. of Multimedia Eng., Grad. Sch. of Information Science and Tech., Osaka Univ., Osaka, Japan
Venue:
UMICS'04 Proceedings of the Second CAiSE conference on Ubiquitous Mobile Information and Collaboration Systems
Year:
2004

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Abstract

In this paper, we propose two updated data dissemination methods to update old replicas efficiently in ad hoc networks where each data item is updated at irregular intervals. The first method disseminates the updated data item to all connected mobile hosts when a mobile host holding an original data item updates the data item. In the other method, when two mobile hosts are connected, they disseminate updated data items. Our proposed methods reduce the number of accesses to old replicas and improve data accessibility.