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Method and system for proxy-based secure end-to-end tcp/ip communications

A communication system and encrypted communication technology, applied in the field of server equipment, can solve the problems of server equipment application, heavy load, inability to handle communication, etc.

Inactive Publication Date: 2007-02-21
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, when large-capacity data such as moving image data is transmitted between devices, a large load is applied to the server device
Especially when multiple communications are performed at the same time, sometimes the communications cannot be processed even by distributed processing using multiple server devices

Method used

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  • Method and system for proxy-based secure end-to-end tcp/ip communications

Examples

Experimental program
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Embodiment Construction

[0068] The following will refer to Figure 1 to 9 To describe the preferred embodiment of the present invention.

[0069] figure 1 It is a block diagram showing the network configuration of the communication system according to the preferred embodiment of the present invention. The request issuance apparatus 102 and the router device 104a having the NAPT function constitute the request issuance side LAN 106a. The request issuing side LAN 106a is connected to the Internet (WAN) 105 at the WAN side port of the router device 104a. In addition, the request accepting apparatus 103 and the router device 104b having the NAPT function constitute the request accepting side LAN 106b. The request receiving side LAN 106b is connected to the Internet (WAN) 105 at the WAN side port of the router device 104b. In addition, the server device 101 is connected to the Internet (WAN) 105.

[0070] The communication system according to the present preferred embodiment includes: a plurality of devices...

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PUM

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Abstract

A server apparatus (101) receives a TCP connection start signal transmitted from a request issuance equipment (102) to establish a TCP connection with the request issuance equipment (102) , receives a connection request signal including an equipment ID of a request acceptance equipment (103), and an IP address and a port number thereof, searches the equipment ID thereof included in the received connection request signal from an equipment information list, identifies the equipment related to a set of pieces of equipment information including the equipment ID coincident with the equipment ID thereof included in the connection request signal, as the request acceptance equipment (103), identifies the IP adress and the port number included in a set of pieces of equipment information on the identified request acceptance equipment (103), and transmits a coonnection request signal including the IP address and the port number included in the received connection request signal.

Description

Technical field [0001] The invention relates to a communication system using TCP / IP protocol. The present invention also relates to: (a) a server device for communicating between devices connected to a network such as the Internet through a peer-to-peer connection; (b) requesting the issuing device to send a connection request signal; (c) The request accepting device accepts the connection request signal; (d) the server device; (e) the communication system including the request issuing device and the request accepting device; and (f) the communication method. The present invention also relates to a program including each step in the communication method. Background technique [0002] In recent years, because broadband environments such as xDSL and optical fiber have been established, the Internet has begun to expand not only in companies, but also in ordinary households. In addition, not only (a) a personal computer (PC) can be connected to the Internet, but also the following de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/12H04L29/08H04L12/46
CPCH04L63/0823H04L29/08072H04L61/2514H04L63/083H04L69/329H04L29/12367H04L29/08576H04L29/12009H04L67/303H04L61/2528H04L63/0428H04L67/14H04L29/12405H04L29/08927H04L61/00
Inventor 吉田顺二滨井信二松见知代子
Owner PANASONIC CORP
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