When searching for resources on networks, the system often depends on the broadcast or multicast mechanism to acquire the information, which usually results in large overhead. It will be a serious problem in ad-hoc wireless networks, where the bandwidth is limited and each node moves arbitrarily and acts not only as a host but also as a router. Therefore, it will greatly rely on broadcast or multicast mechanism to search the resources. This work presents an efficient anycasting scheme in ad-hoc wireless networks. The scheme can be used to reduce the request messages, decrease the overhead of response received from duplicate packets, and balance the load of ad-hoc wireless networks. Furthermore, our scheme also supports any K services; it can attain the backup or fault tolerance purpose. Because our scheme is based on the virtual backbone, it is also a scalable protocol for ad-hoc wireless networks.
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About the Author
Shyr-Kuen Chen received the MS degree in Department of Computer Science from the Feng Chia University , Taiwan, in 2004. Yi-Ting Fang received the MS degree in Executive Master of Business Administration from the Tung Hai University, Taiwan, in 2002.Currently, we work in Aerospace Industrial Development Corporation (http://www.aidc.com.tw).
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