9.2. iSNS Features

iSNS is designed as a lightweight discovery protocol that can be deployed in centralized iSNS servers, IP storage switches, and target devices. Features include facilities for registration, discovery, and management of IP storage resources as well as zoning and state change management. The name registration service enables IP storage devices to register their attributes and address, analogous to the Fibre Channel SNS. Initiators can then query the iSNS to identify potential targets. Zoning functionality is provided by discovery domains, which restrict the discovery of IP storage targets to authorized initiators. And SCN alerts iSNS clients to any change in status of a registered device or reconfiguration of the client's discovery ...

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