FNMGSDP: An Optimized Group-Based Service Discovery Protocol for MANETs

Authors:
Zhenguo Gao;Ling Wang;Mei Yang;Jianping Wang
Affiliations:
Department of Automation, Harbin Engineering University, Harbin, China 150001;Department of Computer Science and Technology, Harbin Institute of Technology, Harbin, China 150001;Department of Electrical and Computer Engineering, University of Nevada, Las Vegas, USA 89119;Department of Computer Science, City University of Hong Kong, Kowloon, Hong Kong
Venue:
Wireless Personal Communications: An International Journal
Year:
2011

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Abstract

The ability to discover services offered in MANETs (Mobile Ad-Hoc Networks) is a major prerequisite for effective usability of MANETs. GSD (Group-based Service Discovery) protocol is a typical service discovery protocol for MANETs. However, its packet overhead is high due to its much redundant packet transmissions. Some previous works improve GSD at the expense of slightly larger cache size and packet size. However, the added information can be used to improve protocol performance further. In this paper, FNMGSDP (Forward Node Minimization enhanced Group-based Service Discovery Protocol) is proposed to minimize the number of next hop nodes when forwarding request packets by exhaustively utilize the information in Service Information Cache. Simulation results confirm the superiority of FNMGSDP over GSD and its two enhanced versions.