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Online information delivery system including replicated sites from which information can be delivered

  • US 6,199,065 B1
  • Filed: 05/14/1998
  • Issued: 03/06/2001
  • Est. Priority Date: 05/14/1997
  • Status: Expired due to Term
First Claim
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1. A system for delivering information from a first site over a communications network and to remote users in response to requests from the remote users, the first site including database means in which said information to be delivered to the remote users is stored,wherein the first site is comprised by a plurality of sub-sites each accessible by a common network address, wherein each sub-site includes a respective database means, a respective server means, a respective means for logging-in users, and a respective means for storing details of logged-in users, wherein the plurality of sub-sites are interconnected and each sub-site means for storing details of logged-in users stores details of all users logged in to the plurality of sub-sites at any particular point in time, wherein the database means of the plurality of sub-sites are content mirrored whereby they each store the same information for delivery to the remote users upon request, and wherein the system includes means to select a first said sub-site for a user to login to, to connect said user to the first said sub-site, to comply with a user request for information by supplying information from the respective database means and, upon failure of a component or process of the first said sub-site, to transfer said user logged-in at the first said sub-site to a second said sub-site where the respective user request is complied with, by supplying information from the respective database means, without requiring said user to log-in at the second said sub-site, details of said user being available from the means for storing details of all logged-in users included at the second said sub-site.

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