IP network system and its access control method, IP address distributing device, and IP address distributing method
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United States of America Patent
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Dec 10, 2013
Grant Date -
May 14, 2009
app pub date -
Nov 6, 2008
filing date -
Nov 8, 2007
priority date (Note) -
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Abstract
An IP network system includes an IP address generating device that sets a specific area in a node identifier of an IP address as an access control area that can be filtered by a network layer control device, and generates an IP address including a communication policy of the IP network system embedded in the access control area, and the network layer control device capable of filtering the access control area, wherein the network layer control device is configured to perform filtering setting according to the communication policy and thereby performs access control.
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