Efficient network management applied to source routed networks

  • Authors:
  • Antonio Robles-Gómez;Aurelio Bermúdez;Rafael Casado

  • Affiliations:
  • Control and Communication Systems Department, Spanish University for Distance Education, Madrid 28040, Spain;Computing Systems Department, University of Castilla-La Mancha, Albacete 02071, Spain;Computing Systems Department, University of Castilla-La Mancha, Albacete 02071, Spain

  • Venue:
  • Parallel Computing
  • Year:
  • 2011

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Abstract

Current high-performance interconnects are switch-based systems using either distributed or source routing. They usually incorporate a set of management mechanisms in charge of detecting and assimilating any topological change. When a change occurs, in order to restore the connectivity among endpoints, these mechanisms must obtain the resulting topology, and compute and distribute a new set of valid fabric paths. It is desirable that the change assimilation process is fast, deadlock-free and with reduced contribution to the network service degradation. Traditional proposals, which are related to the path distribution phase, are only focused on networks that use distributed routing and, therefore, they are not directly applicable to source routed environments. The objective of this paper is to present and evaluate an efficient network management scheme applied to source routed networks, incorporating several mechanisms for all phases involved in the change assimilation process. The main novelty of this scheme is the proposal of a mechanism to dynamically update the routing paths.