Proxy server

a proxy server and proxy server technology, applied in the field of proxy servers, can solve the problems of large drawbacks of each approach, the cost of dedicated connection, and the inability to use dedicated connection, so as to reduce the number of phone lines, modems, and isp accounts.

Inactive Publication Date: 2003-05-06
MULTI TECH SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

Because the proxy server shares multiple modems among the computer of a local area network, the number of phone lines, modems, and ISP accounts are greatly reduced while maintaining the benefits of using only the amount of bandwidth needed at one time associated with dial-up Internet accounts. Furthermore, the proxy server a...

Problems solved by technology

Each approach has major drawbacks, however.
The cost of the modems, phone lines, and ISP accounts quickly becomes prohibitive in a small to medium sized network.
The drawbacks to a dedicated connection are the cost of the dedi...

Method used

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Examples

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Embodiment Construction

In the following detailed description of the embodiments, reference is made to the accompanying drawings which form a part hereof, and in which is shown by way of illustration specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, and it is to be understood that other embodiments may be utilized and that structural, logical and electrical changes may be made without departing from the spirit and scope of the present inventions. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present inventions is defined only by the appended claims.

The leading digit(s) of reference numbers appearing in the Figures corresponds to the Figure number, with the exception that the same reference number is used throughout to refer to an identical component which appears in multiple Figures. Signals and connections may be referr...

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Abstract

A proxy server shares a plurality of modems connected to a wide area network among multiple client computers connected to a local area network. Each of the client computers on the local area network is assigned a local address while each of the plurality of modems is assigned a modem port address valid on the wide area network. In one embodiment, a processor controls address substitution allowing multiple client computers to share modems when communicating to host computers in a wide area network. The processor creates a descriptor list to keep track of the connections between the client computer and host computers on the wide area network and uses the descriptor list to determine to which client computer an incoming data packet should be sent. The processor also creates a proxied application list to determine if an outgoing data packet, received from one of the client computers, is one to be proxied through the proxy server.

Description

COPYRIGHT NOTICE / PERMISSIONA portion of the disclosure of this patent document contains material which is subject to copyright protection. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all copyright rights whatsoever. The following notice applies to the software and data as described below and in the drawing hereto: Copyright .COPYRGT. 1997, Multi-Tech Systems, Inc., All Rights Reserved.FIELD OF THE INVENTIONThe present invention is related to network servers and in particular to a proxy server.BACKGROUND OF THE INVENTIONTraditionally, connecting networked computers to the Internet required establishing a dial-up connection for each network computer, or a dedicated line or frame relay connection shared by all network computers. Individual dial-up connections optimize bandwidth and connection time while a dedica...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08
CPCH04L67/1002H04L67/1008H04L67/2814H04L67/327H04L69/16H04L69/161H04L69/22
Inventor HONG, KEVINNAIR, VIDYASAGARAN PARAMESWARAN
Owner MULTI TECH SYST
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