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System and method for securely upgrading networked devices

  • US 6,986,133 B2
  • Filed: 04/13/2001
  • Issued: 01/10/2006
  • Est. Priority Date: 04/14/2000
  • Status: Expired due to Term
First Claim
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1. A method for upgrading a deployed device while in a networked computer environment, said method comprising:

  • a) adding capability to the deployed device to poll a networked server;

    b) polling the networked server to determine if an upgrade is available for said deployed device;

    c) downloading said upgrade to the deployed device when said upgrade meets an appropriate criteria;

    d) authenticating and verifying that the upgrade is from an appropriate server and that the upgrade itself has not been modified during transmission;

    e) applying the upgrade to one or more specific components of the deployed device; and

    f) identifying and defining the specific components by the specific component'"'"'s name, version, host name of a server providing the upgrade, port number for requests to the server providing the upgrade, and a polling schedule, a retry period and a number of retry attempts to be made.

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