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Mobile ad-hoc Grid is one of the modern distributed systems that have been introduced until now. It combines traditional grid capabilities with ad-hoc network flexibilities. Service discovery is one of important challenges in this environment. In this paper, the authors focused on hybrid service discovery protocol and proposed a reliable service discovery scheme based on neighbors communication link quality in each zone. Service query messages in their proposed algorithm are directed to neighbor nodes selectively along reliable links. Reliable link are distinguished by power of advertisement messages signal which are send between nodes in a zone.
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