SAFE: scalable autonomous fault-tolerant Ethernet

  • Authors:

  • Kiyong Kim;Yeonseung Ryu;Jong-myung Rhee;Dong-ho Lee

  • Affiliations:

  • Department of Computer Software, Myongji University, Korea;Department of Computer Software, Myongji University, Korea;Department of Communication Engineering, Myongji University, Korea;Agency for Defense Development, Korea

  • Venue:
  • ICACT'09 Proceedings of the 11th international conference on Advanced Communication Technology - Volume 1
  • Year:
  • 2009

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Abstract

In this paper, we present a new fault-tolerant Ethernet scheme called SAFE (Scalable Autonomous Fault-tolerant Ethernet). SAFE scheme is based on software approach which takes place in layer 2 and layer 3 of the OSIRM. The goal of SAFE is to provide scalability, autonomous fault detection and recovery. SAFE divides a network into several subnets and limits the number of nodes in a subnet. Network can be extended by adding additional subnets. All nodes in a subnet automatically detect faults and perform fail-over by sending and receiving Ethernet based heartbeat each other. For inter-subnet fault recovery, SAFE manages master nodes in each subnet. Master nodes communicate each other using IP packets to exchange the subnet status. We also propose a master election algorithm to recover faults of master node automatically. Proposed SAFE performs efficiently for large scale network and provides fast and autonomous fault recovery.