SRR: A lightweight routing protocol for opportunistic networks
Xia Wang, Xiaofei Sun, Wenwen Pan, Tao Xu, Xuhong Li · 2017
Opportunistic networks can dispatch the messages among mobile devices through dynamic routes. Therefore time efficiency of routing protocol is an important performance metric for opportunistic networks. This paper propose a new routing protocol called Success Ratio-based Routing (SRR) protocol, which can dispatch each message in an efficient and accurate way, balancing the delivery ratio and communication overhead. SRR undertakes the experience statistics for the nodes' motion in opportunistic networks, and finds that part of mobile nodes have fixed social attribute, having regular daily routine. SRR introduces a new parameter Success Ratio (SR) to measure quality of paths, picking the optimal path to dispatch message. SRR also adopts a lightweight algorithm to construct the forwarding table, which utilizes the local parameters to calculate SR, saving the network resources. The extensive simulation experiments demonstrate that SRR protocol is able to cost less communication overhead and network resources to dispatch the message in an efficient and accuracy way.