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IP SANs: A Guide to iSCSI, iFCP, and FCIP Protocols for Storage Area Networks by Tom Clark

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9.1. Discovery

In conventional networking, all devices attached to the network are hosts. This implies a peer relationship between networked devices, and requires each host to have sufficient intelligence to discover and communicate with other hosts over the network. Simply plugging devices into a common network does not ensure that they will be able to communicate. A device must be manually configured for the addresses of potential peers, must issue a broadcast or multicast to solicit a response, or must consult a third party such as a directory services entity residing on the network. In the Internet, for example, the DNS enables a host to discover and communicate with other hosts via name/address resolution.

Storage devices that are inserted ...

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