A method, system, and computer program product are disclosed for hierarchically encoding indicators used to identify an instance of a device. Multiple nodes are included. Each node includes an implemented instance of a device. Multiple hierarchical indicators and multiple identity indicators are provided. Each one of the hierarchical indicators is associated with a different one of the nodes. Each one of the identity indicators is associated with a different one of the devices. One of the hierarchical indicators and one of the identity indicators are used for identifying an instance of one of the devices.

 
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> Duplicate network address detection

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