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Care-of-address handover

A technology of care-of address and ground connection, which is applied in wireless communication, network data management, transmission system, etc.

Inactive Publication Date: 2018-11-13
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is particularly problematic in such VoIP point-to-point connections where uninterrupted data transfer is required

Method used

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  • Care-of-address handover
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] overview

[0020] Representative implementations of devices and techniques provide care-of address switching. In one implementation, the messages are sent to the server in a point-to-point communication session. The message includes a care-of-address of the first network interface (eg, a wireless network interface) and a care-of-address of a second network interface (eg, a wired network interface). The care-of-address of the first network interface is the current care-of-address in use in the communication session and the care-of-address of the second network interface is the new care-of-address to which the device (eg, mobile node) will transfer (eg, handover). The message may also include the server's IP address and TCP (Transmission Control Protocol) port. Additionally, the message may include the mobile node's TCP port.

[0021] In one implementation, the server establishes a NAT (Network Address Translation) / proxy that properly routes data transmitted from the...

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PUM

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Abstract

The invention relates to care-of-address handover. Representative implementations of devices and techniques provide care-of-address handover. In one implementation, a message is sent to a server in apoint-to-point communication session. The message includes a care-of-address of a first network interface (e.g., wireless network interface) and a care-of-address of a second network interface (e.g.,wireline network interface). The care-of-address of the first network interface is a current care-of-address being used in the communication session and the care-of-address of the second network interface is a new care-of-address that a device (e.g., a mobile node) is going to transition to (e.g., handover). The message may also include the server's IP address and TCP (Transfer Control Protocol) port. Furthermore, the message may include the mobile node's TCP port.

Description

[0001] related application [0002] This application claims priority to provisional application 61602801, filed February 24, 2012. The entire content of this provisional application is hereby incorporated by reference. technical field [0003] The present invention relates to care-of address switching. Background technique [0004] Today's mobile computing environment requires the ability to seamlessly route communication content associated with nodes routed via air and wireline interfaces to data networks at different points of attachment. Such nodes include cellular telephones, personal digital assistants (PDAs), laptop computers, and other mobile wireless communication devices. [0005] In one example, a mobile node can wirelessly and continuously connect to the network infrastructure using the same Internet Protocol (IP) address regardless of the mobile node's physical location. The mobile node can be identified by a home address associated with the mobile node's home...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04L29/12H04W8/26H04W36/14
CPCH04W36/0016H04W36/14H04W8/26
Inventor M.科尔德
Owner APPLE INC