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Using virtual domain name service (DNS) zones for enterprise content delivery

  • US 20090119397A1
  • Filed: 01/12/2009
  • Published: 05/07/2009
  • Est. Priority Date: 01/16/2001
  • Status: Active Grant
First Claim
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1. A method of content delivery, comprising:

  • having an entity establish an enterprise content delivery network (ECDN) behind an enterprise firewall, wherein the entity has a private namespace that is not resolvable through public Internet DNS, the private namespace having a set of enterprise domains associated therewith;

    building a list of one or more enterprise domains that are candidates for caching in the ECDN, wherein an enterprise domain that is a candidate for caching has associated therewith a set of one or more IP addresses associated with nearby content servers managed as part of an Internet content delivery network (ICDN);

    upon receipt of a query to a domain, the request generated by an end user behind the enterprise firewall, determining if the domain is on the list;

    if the domain is on the list, returning a response to the query identifying an ECDN virtual zone; and

    resolving the ECDN virtual zone to identify a given one of the one or more IP addresses.

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