Windows Server 2008 Name services

Windows Internet Naming Service (WINS) is Microsoft’s implementation of NetBIOS Name Server (NBNS) on Windows and is very similar to the relationship between DNS and domain names. This is a basic service for NetBIOS computer names, which are dynamically updated and mapped through DHCP. WINS allows client computers to register and request NetBIOS names and IP addresses in a dynamic, distributed fashion to resolve locally-connected Windows computer resources.

A single network may have several WINS servers operating in push/pull replication, perhaps in a decentralized, distributed hub-and-spoke configuration. Each WINS server contains a full copy of every other WINS server’s records because there’s no hierarchy as with DNS — but the database may still be queried for the address to contact (rather than broadcasting a request for the right one).

WINS is only necessary if pre-Windows 2000 clients or servers or Exchange 2000/2003 clients are present and resolving NetBIOS names. Realistically, most networking environments are better served by DNS as a preferable alternative to WINS, particularly in Windows Server 2003 or 2008 environments. However, WINS remains an integral function in Windows network to support older clients using legacy software.

Source of Information : For Dummies Windows Server 2008 For Dummies

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