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Centralized Shared Repositories

All hosts display identical views of the VE by making sure that all hosts see the same values for the shared state value at all times

Maintain shared state data in a centralized location.

Protect shared states via a lock manager to ensure ordered writes.

Three Techniques

  • Shared File Directory

  • Repository in Server Memory

  • Distributed Repository(Virtual Repository)

 

 

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Pascal Vuylsteker / eScience / Computer Science / ANU 		Last modified: 28/3/2005
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