Fast Recovery and QoS Assurance in the Presence of Network Faults for Mission-Critical Applications in Hostile Environments

  • Authors:

  • Shrirang Gadgil;Balakrishnan Dasarathy;Frederick Porter;Kirthika Parmeswaran;Ravi Vaidyanathan

  • Affiliations:

  • Telcordia Technologies, Piscataway, NJ, USA;Telcordia Technologies, Piscataway, NJ, USA;Telcordia Technologies, Piscataway, NJ, USA;Telcordia Technologies, Piscataway, NJ, USA;Telcordia Technologies, Piscataway, NJ, USA

  • Venue:
  • RTCSA '07 Proceedings of the 13th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications
  • Year:
  • 2007

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Abstract

In a hostile military environment, systems must be able to detect and react to catastrophes in a timely manner in order to provide assurance that critical tasks will continue to meet their timeliness requirements. Our research focuses on achieving network quality of service (QoS) assurance using a Bandwidth Broker in the presence of network faults in layer-3 networks. Passive discovery techniques using the link-state information from routers provide for rapid path discovery which, in turn, leads to fast failure impact analysis and QoS restoration. In addition to network fault tolerance, the Bandwidth Broker must be fault tolerant and must be able to recover quickly. This is accomplished using a modified commercially available and open-source inmemory database cluster technology.