ROUTER, DDNS CLIENT TERMINAL CONNECTED TO IT, AND DDNS SYSTEM

ROUTER, DDNS CLIENT TERMINAL CONNECTED TO IT, AND DDNS SYSTEM

PROBLEM TO BE SOLVED: To provide a router that can reduce the processing load of a DDNS server by reducing a communication load when a global IP address is dynamically assigned, and to provide a DDNS client terminal and a DDNS system. SOLUTION: The router is provided with a router address managing m...

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1. Verfasser: NAWATA AKIHIRO
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator NAWATA AKIHIRO
description PROBLEM TO BE SOLVED: To provide a router that can reduce the processing load of a DDNS server by reducing a communication load when a global IP address is dynamically assigned, and to provide a DDNS client terminal and a DDNS system. SOLUTION: The router is provided with a router address managing means which discriminates whether or not a global IP address agrees with a stored global IP address when the global IP address is assigned, and an address change notifying section which transmits a notice indicating an IP address change to the DDNS client terminal when the assigned IP addresses does not agree with the stored one. The DDNS client terminal is provided with an IP address acquiring means which takes outs the global IP address from the notice indicating the IP address change transmitted from the router, and a DDNS managing means which constitutes the notice indicating the IP address change by using the taken-out global IP address and informs the DDNS server of the notice. COPYRIGHT: (C)2004,JPO
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title ROUTER, DDNS CLIENT TERMINAL CONNECTED TO IT, AND DDNS SYSTEM
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