Name Renewal

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Name Renewal

Once a WINS client’s name is registered, it is assigned a time to live, after which the name is removed from the WINS server’s database. If there were no mechanism to renew leases, this would be an inefficient system, because at the end of each registration’s time to live, the client computer would have to go through the entire registration process again. To avoid this, WINS clients can request a renewal to their name registration record.

This process is straightforward and similar to the initial name registration process. After one-eighth of the time to live value has passed, the client attempts to renew its name registration. If no response is received, the WINS client retries its renewal every two minutes, until half of its time to live has passed. The WINS client then tries to renew its lease with the secondary WINS server, as with the primary WINS server—the timer is reset to zero, and after one-eighth of its time to live value has passed, until it succeeds or half of its time to live has passed. If it is unsuccessful after half of its time to live has passed, it reverts to its primary WINS server.

After a name renewal succeeds at any point in the process—whichever WINS server accepts the renewal—the WINS client is provided with a new TTL value for its name registration.

Name renewal is a feature provided to the WINS client by the WINS server. The server does not provide this service to computers that are not WINS clients.

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