Systems, protocols and propagation mechanisms for managing information in a network environment
First Claim
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1. A system for managing profile information in a heterogeneous network of devices hosting master and copy data in accordance with a coherence protocol, the master and copy data being associated by way of a first lease, the copy data automatically being invalidated upon expiry of the lease so that the master data may be modified in conformity with the protocol.
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Abstract
A system for managing profile information in a heterogeneous network of devices hosting master and copy data in accordance with a coherence protocol, the master and copy data being associated by way of a first lease, the copy data automatically being invalidated upon expiry of the lease so that the master data may be modified in conformity with the protocol.
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30 Claims
- 1. A system for managing profile information in a heterogeneous network of devices hosting master and copy data in accordance with a coherence protocol, the master and copy data being associated by way of a first lease, the copy data automatically being invalidated upon expiry of the lease so that the master data may be modified in conformity with the protocol.
- 27. A method of managing master and copy data in a network of devices using a write-invalidate protocol, the protocol having a leasing rule under which the master and copy data are associated by way of a first lease, expiry of the first lease causing or allowing the copy data to be invalidated whereby a modification may be made to the master data.
- 29. A data propagation mechanism for use in managing master and copy data in a network of host devices, each device hosting master data being provided with a presence manager operative, upon detection of a request to modify the master data, to send details of the modification to a third party repository.
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