Patent ID: 8341295

Claim:
A method of providing server failover operative in a computer network having a plurality of nodes that are implemented by computer systems and that include a plurality of server nodes, the method comprising: (A) determining, at a given node, that a given server node is in a failed condition; (B) while the given server node is determined to be in the failed condition, the given node: (i) receiving a first internet protocol (IP) packet from a client node, the first IP packet being addressed to an IP address associated with the given server node; (ii) sending, to the client node, an IPv6 Mobility Header that includes a binding update option with a lifetime field value of zero; (iii) receiving a second IP packet from the client node, the second IP packet being addressed to an IP address associated with the given node; (iv) selecting a server node (the “selected server node”) other than the given server node; and, (v) sending the second IP packet to the selected server node.