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›› 2009, Vol. 26 ›› Issue (6): 826-834.DOI: 10.7523/j.issn.2095-6134.2009.6.014

• Research Articles • Previous Articles     Next Articles

A fault-tolerant dedicated computer system model

WANG Jing1,2, XIA Lu-Ning2, JING Ji-Wu2, GU Qing3   

  1. 1. Department of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei 230027, China;
    2. State Key Lab of Information Security, Graduate University, Chinese Academy of Sciences, Beijing 100049, China;
    3. Research Center of National 863 Program Information Security Infrastructure, Shanghai 201203, China
  • Received:2009-03-09 Revised:2009-04-28 Online:2009-11-15
  • Supported by:

    国家863计划(2006AA01Z454)和电子信息产业发展基金资助 

Abstract:

Security and survivability are important requirements of dedicated computer system. The legacy embedded operating systems with microkernel suffer from lacking of these desired features. In this paper, we propose ultra-kernel model to make dedicated system tolerant code bugs and improve the security of system. We have implemented a prototype firewall system based on our ultra-kernel design in a developing environment. Measurements show that, latency at 10Mbps of ultra-kernel system is about 20% better than at Linux system on the same hardware platform.

Key words: computer system model, fault-tolerance mechanism, ultra-kernel

CLC Number: