Journal of Beijing University of Posts and Telecommunications

  • EI核心期刊

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2013, Vol. 36 ›› Issue (4): 13-18.doi: 10.13190/jbupt.201304.11.wangxf

• Papers • Previous Articles     Next Articles

Method of Network Simulation for Focusing on Attention Area

WANG Xiao-feng1,2, WANG Dong-bin3,4   

  1. 1. School of Internet of Things Engineering, Jiangnan University, Jiangsu Wuxi 214122, China;
    2. School of Computer Science and Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China;
    3. School of Software Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China;
    4. Key Laboratory of Trustorthy Distributed Computing and Service (Beijing University of Posts and Telecommunications), Ministry of Education, Beijing 100876, China
  • Received:2012-11-05 Online:2013-08-31 Published:2013-05-22

Abstract:

To reduce the computational overhead of large-scale network simulation while keeping the simulation fidelity, a network simulation method of focusing on the attention area is presented in which the network topology for simulation is partitioned into two parts: attention area and non-attention area. To keep fidelity, the attention area is simulated by discrete event simulation. And to reduce the computational overhead, the non-attention area is simulated by topology - flow combined abstraction simulation. The simulation fidelity of topology-flow combined abstraction simulation is analyzed. Experiments based on NS2 show that, when the focusing coefficient is 4, compared to the traditional network simulation, this method can decrease the computational overhead of simulation by over 85% at most, also, the average error of simulation results of attention area is only about 2%.

Key words: network simulation, attention area, abstract simulation, computational overhead of simulation, simulation fidelity

CLC Number: