Quality-of-service-aware fault tolerance for grid-enabled applications

  • Authors:
  • Luca Valcarenghi;Filippo Cugini;Francesco Paolucci;Piero Castoldi

  • Affiliations:
  • Scuola Superiore Sant'Anna, Pisa, Italy;CNIT, Pisa, Italy;Scuola Superiore Sant'Anna, Pisa, Italy;Scuola Superiore Sant'Anna, Pisa, Italy

  • Venue:
  • Optical Switching and Networking
  • Year:
  • 2008

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Abstract

This study first reviews how grid-enabled applications can be provided with fault tolerance. Existing methods, implemented either in the grid application/middleware or in a Generalized Multi-Protocol Label Switching (GMPLS)-based network, are outlined. Then, the paper shows the advantages of integrating application/middleware fault-tolerant schemes, such as service replication, with GMPLS network-layer fault-tolerant schemes, such as path restoration. An integrated fault-tolerant scheme is capable of providing flexible QoS-aware fault tolerance while minimizing the necessary computational and network resources. In the end, the implementation of the proposed integrated scheme in a Video-on-Demand (VoD) application is experimentally validated.