Patent ID: 8327022

Claim:
A computer implemented method for updating a domain name server, the computer implemented method comprising: detecting, by a content server, a failure of a first network interface of a plurality of network interfaces of the content server, wherein detecting the failure comprises receiving an interrupt signal from the first network interface, the interrupt signal indicating a hardware failure; determining, by the content server, an IP address associated with the first network interface, in response to detecting the failure; sending, by the content server, a first domain name server update to a domain name server to notify the domain name server that the IP address is unreachable, in response to determining the IP address associated with the first network interface; determining, by the content server, that the first network interface is repaired, wherein determining that the first network interface is repaired comprises determining that the first network interface is operable for connecting a client to the content server; and sending, by the content server, a second domain name server update to the domain name server indicating that the IP address is reachable, in response to determining that the first network interface is repaired, wherein the second domain name server update includes the IP address.