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Fazl-e-Hadi,
- A Novel Forwarding Scheme for Adaptive Anycasting in Delay/Disruption-Tolerant Networks
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Authors
Affiliations
1 Bahria University, Islamabad, PK
2 Beihang University of Aeronautics and Astronautics, Beijing, CN
3 COMSATS Institute of Information Technology, Islamabad, PK
1 Bahria University, Islamabad, PK
2 Beihang University of Aeronautics and Astronautics, Beijing, CN
3 COMSATS Institute of Information Technology, Islamabad, PK
Source
Indian Journal of Science and Technology, Vol 3, No 12 (2010), Pagination: 1165-1172Abstract
Delay/disruption-tolerant networks (DTNs) are characterized by frequent and long duration partitions and end-to-end connectivity may never be present between the source and the destination at the message origination time. Anycast is an important service used for many applications in DTNs such as information exchange in hazards/crisis situation, resource discovery etc. In this paper, we propose classification of DTNs into three subcategories, namely: networks utilizing message ferries (MFN), interplanetary networks (IPN) and intermittently connected mobile Ad hoc networks (ICMAN). Further, we propose a novel anycasting scheme for ICMANs called receivers based forwarding (RBF), which considers the number of anycast receivers available through a link as well as the path length to the nearest receiver through that link in deciding the next hop while forwarding an anycast bundle. Simulation results with respect to link availability, group size and buffer size show that the RBF performs better than the shortest path forwarding (SPF) in term of data delivery ratio, average end-to-end delay and overall data efficiency.Keywords
Delay-Tolerant Networks, Anycast, RoutingFull Text
References
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- ESFBR- Enhanced Secure Field Based Routing in Wireless Mesh Networks
Abstract Views :363 |
PDF Views:120
Authors
Affiliations
1 Management Information System, College of Business School
2 Prince Muqrin Chair for IT Security (PMC), King Saud University, SA
1 Management Information System, College of Business School
2 Prince Muqrin Chair for IT Security (PMC), King Saud University, SA
Source
Indian Journal of Science and Technology, Vol 4, No 6 (2011), Pagination: 613-617Abstract
Wireless mesh network is a new type of network in which each node is connected to other nodes to enhance network reliability and performance. As compared to routing in other networks, wireless mesh network faces a lot of problem. Routing in wireless mesh network is a challenging task. Field based routing uses a little information to route the packets in the network. Due to this characteristic, field based routing algorithms are less expensive and much effective, but such algorithms also face different types of security attacks. In this paper, a novel Enhance Secure Field Based Routing Algorithm (ESFBR) is proposed which is an extension to the existing secure field based routing algorithm. ESFBR has been comprehensively tested using Omnet++ network identify and isolate the malicious node and to prevent the traffic flows from various attacks.Keywords
Wireless Mesh Network, Field Base Routing, Security, ESFBRFull Text
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