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1. WO2010087326 - TCP COMMUNICATION SCHEME

Publication Number WO/2010/087326
Publication Date 05.08.2010
International Application No. PCT/JP2010/050955
International Filing Date 26.01.2010
IPC
H04L 12/66 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
66Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
H04L 12/70 2013.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
70Packet switching systems
CPC
H04L 63/0272
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
63Network architectures or network communication protocols for network security
02for separating internal from external traffic, e.g. firewalls
0272Virtual private networks
H04L 63/0428
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
63Network architectures or network communication protocols for network security
04for providing a confidential data exchange among entities communicating through data packet networks
0428wherein the data content is protected, e.g. by encrypting or encapsulating the payload
H04L 63/1475
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
63Network architectures or network communication protocols for network security
14for detecting or protecting against malicious traffic
1441Countermeasures against malicious traffic
1475Passive attacks, e.g. eavesdropping or listening without modification of the traffic monitored
H04L 69/16
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
69Application independent communication protocol aspects or techniques in packet data networks
16Transmission control protocol/internet protocol [TCP/IP] or user datagram protocol [UDP]
H04L 69/163
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
69Application independent communication protocol aspects or techniques in packet data networks
16Transmission control protocol/internet protocol [TCP/IP] or user datagram protocol [UDP]
163Adaptation of TCP data exchange control procedures
H04L 69/169
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
69Application independent communication protocol aspects or techniques in packet data networks
16Transmission control protocol/internet protocol [TCP/IP] or user datagram protocol [UDP]
169Special adaptations of TCP, UDP or IP for interworking of IP based networks with other networks
Applicants
  • 株式会社明電舎 MEIDENSHA CORPORATION [JP]/[JP] (AllExceptUS)
  • 立石 靖 TATEISHI, Yasushi (UsOnly)
  • 大黒 達也 OKURO, Tatsuya (UsOnly)
  • 西部 保則 NISHIBE, Yasunori (UsOnly)
  • 土生津 隆 HABUTSU, Takashi (UsOnly)
Inventors
  • 立石 靖 TATEISHI, Yasushi
  • 大黒 達也 OKURO, Tatsuya
  • 西部 保則 NISHIBE, Yasunori
  • 土生津 隆 HABUTSU, Takashi
Agents
  • 橋本 剛 HASHIMOTO, Takeshi
Priority Data
2009-01634228.01.2009JP
2009-26055316.11.2009JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) TCP COMMUNICATION SCHEME
(FR) MODÈLE DE COMMUNICATION TCP
(JA) TCP通信方式
Abstract
(EN)
A TCP communication scheme which ensures safe communication up to the communication path near a terminal and eliminates direct attacks from hackers, etc. A terminal (A) and terminal (B) are connected to a relay apparatus (X) and relay apparatus (Y), where the terminal (A) and the terminal (B) are the endpoint terminals positioned at the two ends of a TCP communication connection. The relay apparatuses (X, Y) are each connected to a network (NET). The relay apparatuses (X and Y) are provided so as to be between the terminals (A and B) which had been performing conventional TCP communication, and neither of the relay apparatuses (X and Y) have IP addresses. The relay apparatuses (X and Y) take over the TCP connection between the terminal (A) and the terminal (B), divide the connection into three TCP connections, and establish TCP communication.
(FR)
L'invention concerne un système de communication TCP qui assure une communication sûre jusqu'à la voie de communication proche d'un terminal et qui élimine les attaques directes provenant de pirates, etc. Un terminal (A) et un terminal (B) sont connectés à un appareil relais (X) et à un appareil relais (Y), le terminal (A) et le terminal (B) étant les terminaux de point de terminaison positionnés aux deux extrémités d'une liaison de communication TCP. Chacun des appareils relais (X, Y) est connecté à un réseau (NET). Les appareils relais (X et Y) sont prévus pour être placés entre les terminaux (A et B) qui ont effectué une communication TCP conventionnelle et ne présentent pas d'adresse IP. Les appareils relais (X et Y) prennent le relais de la connexion TCP entre le terminal (A) et le terminal (B), divisent la connexion en 3 connexions TCP et établissent une communication TCP.
(JA)
 【課題】端末の近傍の通信経路まで通信が安全に行なうことができるとともに、ハッカーなどからの直接的攻撃を受けることがなくなる。 【解決手段】TCP通信の両端に位置するエンドポント端末を端末A及び端末Bとし、端末A及び端末Bは、中継装置X及び中継装置Yに接続され、中継装置X,Yは、ネットワークNETにそれぞれ接続される。中継装置X及びYは、従来TCP通信を行っていた端末A及びBの間に挟みこむように設置され、自身にIPアドレスを有しない。中継装置X及びYは、端末A-端末B間のTCP接続を横取りして3つのTCP接続に分割し、TCP通信を成立させる。 
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