计算机与现代化

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基于机会网络的资源共享路由策略研究与仿真

  

  1. 陕西工业职业技术学院信息工程学院,陕西咸阳712000
  • 收稿日期:2015-07-24 出版日期:2015-09-21 发布日期:2015-09-24
  • 作者简介: 戚娜(1981-),女,陕西户县人,陕西工业职业技术学院信息工程学院讲师,硕士,研究方向:数据处理和信息安全。
  • 基金资助:
     陕西省重点实验室开放共享项目(SAIIP201202)

Research and Simulation of Routing Strategy for Resource Sharing #br#  Based on Opportunistic Networks

  1. Department of Information Engineering, Shaanxi Polytechnic Institute, Xianyang 712000, China
  • Received:2015-07-24 Online:2015-09-21 Published:2015-09-24

摘要:

机会网络利用节点的移动而产生的通信机会传输信息,可以随时自组并且不依赖于任何基础设施的性质,使其广泛地应用于短距离范围内的数据共享环境中。然而,机会网络中传统的路由
算法没有考虑数据共享机会网络的特性,消息只能采用洪泛等传统形式传播。本文首先分析机会数据共享网络的具体特点及其属性,提出消息传播中锚区和目的节点簇的概念;根据消息的重要等级和生
命期提出新的调度算法;结合网络属性和调度算法提出新的路由策略,使消息根据其锚区和目的节点簇快速高效地在网络中传播;通过仿真实验验证本文提出路由策略的正确性和高效性。

关键词:  , 机会网络, 资源共享, 路由, 调度, 仿真

Abstract:

Opportunistic networks use the opportunity which generated by the nodes movement to transmit information. It can be widely used in the environment of data
sharing in a short distance due to properties of opportunitys self-organization and without a fixed communication infrastructure. However, the traditional routing algorithm in
opportunistic network does not take into account the characteristics of data sharing. So messages dissemination only can use the traditional forms like flooding. This paper
first analyzes the specific features and attributes of the data sharing opportunistic network, and puts forward the concept of anchor zone and the destination node clusters in
the process of messages dissemination. Furthermore, we propose a new scheduling algorithm based on the level the time to live of the message with different importance and
lifetime. Moreover, we put forward the new routing strategies through combining the data sharing network attributes with scheduling algorithm, so the message spread quickly and
efficiently in the network according to its anchor region and the destination node cluster. Finally, we verify the correctness and efficiency of the routing strategy by
simulation experiments.

Key words:  opportunistic networks, resource sharing, routing, scheduling, simulation