Cisco Technology, Inc.

Peter A Tenereillo

Richard A Howes

Edward Curt Kersey

Brantley W Coile

James A Jordan

Shaheed Bacchus

Disclosed is a system and method for distributing connections among a plurality of servers at an Internet site. All connections are made to a single IP address and a local director selects the server from among the plurality of servers which is to receive the connection. Thus, the DNS server is not relied upon to distribute connections, and the connection distribution scheme is not avoided when DNS is bypassed. In one embodiment, a session distribution scheme is implemented such that connections are distributed to the server in the group of servers which has the fewest connections of the group. In other embodiments, other session distribution schemes which route connections based on the predicted response times of the servers or according to a round robin scheme are used.

System for distributing load over multiple servers at an internet site

A method for providing a persistent connection between a client and a real server. The method includes receiving a request originating from a client for connection to a virtual server and selecting a real server associated with the virtual server for connection with the client based only on a natural class of an IP address of a device sending the request. Transmissions originating from the client are forwarded to the selected real server.

System and method for providing persistent connections based on subnet natural class

A method and system for providing a connection between a client and a server with load balancing between servers are disclosed. A computer-implemented method of the present invention generally includes binding a primary virtual server to a set of URLs, each URL having an associated real server and receiving a request from a client for connection to the primary virtual server. One of the real servers are selected for connection with the client and a redirect message is sent to the client specifying the URL associated with the selected real server. The method further includes receiving a new connection request from the client for connection with the selected real server.

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Vista, CA, United States of America

Peter A Tenereillo