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Method for determining metrics of a content delivery and global traffic management network

  • US 7,523,181 B2
  • Filed: 07/19/2001
  • Issued: 04/21/2009
  • Est. Priority Date: 11/22/1999
  • Status: Active Grant
First Claim
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1. A process for determining server performance metrics in a network, comprising:

  • providing a service metric probe resident on a server for determining service availability and metric measurements of types of services provided by a content delivery server;

    providing a latency probe resident on a server for determining latency values for various content delivery servers within the network;

    wherein the service metric probe consults a configuration file containing each DNS name in an area associated with the service metric probe and any set(s) of services associated with each DNS name;

    wherein the set(s) of services include any of;

    HTTP, HTTPS, FTP, streaming media, or generic SNMP;

    wherein the latency probe calculates a latency value from a location of the latency probe to a client'"'"'s location; and

    wherein, for a given DNS name, a DNS server uses updates to the latency values and updates to the service availability and metric measurements to determine a content delivery server to return.

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