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Design of Service Discovery Scheme based on Connection Degree in Mobile Ad-hoc Network Environments


Gu Su Kim


Vol. 8  No. 5  pp. 154-158


The proliferation of mobile devices and the pervasiveness of wireless technology have provided a major impetus to replicate the network-based service discovery technologies in wireless and mobile networks. However, existing service discovery protocols mainly support one-hop ad-hoc network. In this paper, we propose the service discovery protocol based on the connection degree information of the nodes in the mobile ad-hoc networks. Our proposed protocol is based on the concept of peer-to-peer caching of service advertisements. Each node manages the basic information (connection degree, service degree, and power degree) of adjacent nodes in its own neighbor connection degree table. For the service advertisement and discovery request messages, the intermediate node delivers these messages to adjacent nodes with connection degree larger than or equal to its own connection degree. Therefore, our proposed protocol allows nodes to discover the service in peer-to-peer fashion.


service discovery, ad-hoc network, p2p fashion, connection degree