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Load balancing using IPv6 mobility features

  • US 8,078,755 B1
  • Filed: 12/10/2009
  • Issued: 12/13/2011
  • Est. Priority Date: 10/29/2004
  • Status: Active Grant
First Claim
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1. A method for enabling communication between nodes, the method comprising:

  • receiving, at a server, a SYN packet forwarded from a load-balancing node, wherein the SYN packet (a) indicates a virtual address associated with a server cluster as a destination address of the SYN packet and (b) indicates a client address of a client from which the SYN packet originated as a source address of the SYN packet;

    the server being one of a plurality of servers in the server cluster being load-balanced by the load-balancing node; and

    sending, from the server to the client, a SYN/ACK packet that (a) indicates a physical non-virtual address of the server as a source address of the SYN/ACK packet, (b) indicates the client address as a destination address of the SYN/ACK packet, and (c) indicates a binding update destination option that specifies the virtual address as a home address;

    receiving, with the server, an ACK packet sent from the client;

    wherein the server and the load-balancing node each comprise one or more computing devices.

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