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A method and host node for multiple NAT64 environments

A NAT64, node technology, applied in the field of multiple NAT64 environments and host nodes, can solve problems such as inability to convert and forward data services

Active Publication Date: 2015-01-14
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the connection to the network fails, the multihomed nodes cannot continue communication with the correspondent node using other network connections, because the virtual IPv6 addresses known to the multihomed nodes use prefixes unknown to the NAT64 of other networks, and thus they cannot translate and forward data traffic to the communication node

Method used

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  • A method and host node for multiple NAT64 environments
  • A method and host node for multiple NAT64 environments
  • A method and host node for multiple NAT64 environments

Examples

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Embodiment Construction

[0021] In the following description, numerous specific details are set forth. It is understood, however, that these specific details may not be required to practice the embodiments of the invention. In other instances, well-known circuits, structures and techniques have not been shown in detail in order not to obscure the understanding of this description. However, it will be appreciated by those skilled in the art that the present invention may be practiced without such specific details. With the included description, those skilled in the art will be able to implement appropriate functionality without undue experimentation.

[0022] will now refer to figure 1 with 2 An exemplary embodiment of , describing the operation of the flowchart. However, it should be understood that the operations of the flowcharts can be performed in accordance with the figure 1 with 2 other embodiments of the invention that are different from those described, and with reference to figure 1 wi...

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Abstract

A method implemented in a host node for communicating with a corresponding node through one of a plurality of available networks that includes: receiving a request to initiate a connection with the corresponding node from an application executing on a host node, sending a request to a DNS64 node for an address of the corresponding node, receiving a virtual IPv6 address for the corresponding node with a generic prefix, selecting a connection to one of the plurality of networks through which the data is to be forwarded to the corresponding node, and sending the data to the corresponding node using a virtual IPv6 address for the corresponding node with the prefix of the NAT64 node in the network of the selected connection, whereby the host node is able to maintain connectivity with the corresponding node despite having connections to the plurality of networks that each have NAT64 nodes.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from the earlier filing date of co-pending US Provisional Patent Application No. 61 / 233956, filed August 14, 2009. technical field [0003] Embodiments of the invention relate to methods and systems for enabling communication between nodes connected through multiple networks with respective Network Address Translation 64 (NAT64) nodes. In particular, embodiments of the invention relate to methods for enabling an Internet Protocol version 6 (IPv6) node to communicate with an Internet Protocol version 4 corresponding node over multiple networks, such that when communicating between nodes with different NAT64 A method and system for maintaining connectivity when migrating between networks. Background technique [0004] Mobile Internet Protocol Version 6 (MIPv6) allows a mobile device to maintain a persistent connection with another device that supports Internet Protocol Version 6. Two se...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/12
CPCH04L69/16H04L69/167H04L61/251H04W80/04H04L67/14
Inventor W·哈达德
Owner TELEFON AB LM ERICSSON (PUBL)
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