Distributed Peer-to-Peer Control in Harness

  • C. Engelmann
  • S. L. Scott
  • G. A. Geist
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2330)


Harness is an adaptable fault-tolerant virtual machine environment for next-generation heterogeneous distributed computing developed as a follow on to PVM. It additionally enables the assembly of applications from plug-ins and provides fault-tolerance. This work describes the distributed control, which manages global state replication to ensure a high-availability of service. Group communication services achieve an agreement on an initial global state and a linear history of global state changes at all members of the distributed virtual machine. This global state is replicated to all members to easily recover from single, multiple and cascaded faults. A peer-to-peer ring network architecture and tunable multi-point failure conditions provide heterogeneity and scalability. Finally, the integration of the distributed control into the multi-threaded kernel architecture of Harness offers a fault-tolerant global state database service for plug-ins and applications.


Virtual Machine Global State Message Passing Interface Execution Result Vote Algorithm 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • C. Engelmann
    • 1
  • S. L. Scott
    • 1
  • G. A. Geist
    • 1
  1. 1.Computer Science and Mathematics DivisionOak Ridge National LaboratoryOak RidgeUSA

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