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System and method for multi-site clustering in a network

  • US 7,000,016 B1
  • Filed: 10/19/2001
  • Issued: 02/14/2006
  • Est. Priority Date: 10/19/2001
  • Status: Expired due to Term
First Claim
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1. A method for multi-site clustering in a network, comprising:

  • receiving a domain name from a client at a first domain name server;

    identifying a first network address and a second network address associated with the domain name, the first network address associated with a first site that includes a load balancer coupled to a plurality of web servers, the second network address associated with a second site that includes a second domain name server;

    determining whether the first site is available to serve the client;

    determining whether the second site is available to serve the client;

    communicating the first network address followed by the second network address to the client based at least partially on a determination that the first site and the second site are available; and

    communicating the second network address to the client based at least partially on a determination that the first site is not available.

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