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Method to provide dynamic Internet Protocol security policy service

a security policy and internet protocol technology, applied in the field of network communications, can solve the problems of large amount of time required to create and store all the possible fa-ha pairs, difficult to scale up the method of defining fa-ha pairs, and time-consuming and computationally intensive process of searching through a large filter lis

Inactive Publication Date: 2005-03-24
UTSTARCOM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method for defining FA-HA pairs is not easily scalable, and can require a large amount of time to create and store all the possible FA-HA pairs.
Searching through a large filter list can be a time-consuming and computationally intensive process, and it may slow the speed with which the FA or HA can process the packet.

Method used

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  • Method to provide dynamic Internet Protocol security policy service
  • Method to provide dynamic Internet Protocol security policy service
  • Method to provide dynamic Internet Protocol security policy service

Examples

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Embodiment Construction

[0020] Mobile Internet Protocol

[0021] Many different devices can connect to a network and exchange data, and various types of networks may be used to connect devices. For example, one or more computers may connect to, a local area network (“LAN”). Then, the computers connected to the LAN can exchange data across the network. In another example, a wireless device may connect to a cellular wireless network. The wireless device may then communicate with other devices connected to the wireless network.

[0022] One or more networks may also be linked together, and a device connected to one network can communicate with a device connected to another network. For example, a LAN may provide connectivity to the Internet through an Internet Service Provider (“ISP”). Likewise, a cellular wireless network may provide connectivity to the public switched telephone network (“PSTN”) or to a packet data serving node (“PDSN”), such as the Internet. Once the networks are connected to the Internet or to...

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Abstract

A mobile node may roam away from its home network to a foreign network. The mobile node may communicate using the Mobile Internet Protocol, and it may use Internet Protocol security to communicate with its home network. A foreign agent on the foreign network and a home agent on the home network may dynamically link a policy to be used for a Internet Protocol security session between the foreign agent and the home agent. The foreign agent and the home agent may dynamically create a filter to be used for the Internet Protocol Security session.

Description

FIELD OF THE INVENTION [0001] The present invention relates generally to network communications. More specifically, it relates to a method for providing dynamic Internet Protocol policy service. BACKGROUND OF THE INVENTION [0002] A mobile node may use the Mobile Internet Protocol (“Mobile IP”) to roam away from its home network, and the mobile node may establish a connection with a foreign network. The mobile node may securely communicate with its home network using a protocol such as Internet Protocol security (“IPsec”). IPsec may be used communicate between a Foreign Agent (“FA”) and a Home Agent (“HA”). The FA can receive packets from the mobile node. The FA can then use IPsec, for example, to encrypt the packets from the mobile node and forward them through the virtual tunnel to the HA. The HA may then receive the packets and decrypt them to retrieve the original message. A similar process may be used to send packets from the HA to the FA, which can ultimately be routed to the m...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G06FH04L29/06H04W80/04
CPCH04L63/0227H04L63/0272H04L63/061H04L69/22H04L63/164H04L63/20H04W80/04H04L63/0823
Inventor AMARA, SATISHVERMA, MADHVI
Owner UTSTARCOM INC
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