Traffic-based performance comparison of mobile support strategies

Authors:
Rieko Kadobayashi;Masahiko Tsukamoto
Affiliations:
ATR Media Integration & Communications Research Labs, Kyoto, Japan;Osaka Univ., Osaka, Japan
Venue:
Mobile Networks and Applications - Special issue: mobility management
Year:
1996

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Abstract

This paper presents performance comparison among five strategies for mobile support. The major facilities that are required for a network protocol to support mobile hosts are location management and packet forwarding. Based on this obser- vation, we consider five basic strategies which use distinct methods to achieve these facilities and compare their performance. These five strategies are Broadcast Notification (BN), Broadcast Forwarding (BF), Broadcast Query (BQ), Default Forwarding (DF), and Default Query (DQ). As a result of analytical evaluation and comparison, it is shown that under different network con- ditions, such as number of routers, network topology, migration/communication ratio, data/control packet size ratio, different strategies produce minimum network traffic. In short, DF and DQ show the best performance in network size scaling, while BF and BQ are efficient for frequent migration. On the other hand, BN is suitable for a small network which has hosts with infrequent migration.