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Data stream transmission method, data stream transmission device and data stream transmission system

A data stream transmission and data stream technology, applied in the field of data stream transmission and communication, can solve the problem of inability to realize data stream oriented mobility management and so on.

Active Publication Date: 2012-05-30
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When communicating, the communication peer selects the preferred address declared by the multi-home host as the communication address. When the address is unreachable or the multi-home host declares another preferred address, the communication peer updates the currently used address of the multi-home host to another One, that realizes connection-oriented mobility management, but the current HIP protocol cannot realize data flow-oriented mobility management

Method used

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  • Data stream transmission method, data stream transmission device and data stream transmission system
  • Data stream transmission method, data stream transmission device and data stream transmission system
  • Data stream transmission method, data stream transmission device and data stream transmission system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] figure 2 The flow chart of the data stream transmission method provided by Embodiment 1 of the present invention includes:

[0043] Step S201, the multi-homed host determines the data flow requested to be redirected, that is, after the data stream requested to be redirected is redirected, compared with the original address of the multi-homed host used to transmit the data stream, the multi-homed host will be used In this step, the update address of the multi-homed host that transmits the data stream requested to be redirected is correspondingly determined.

[0044] Specifically, the change of the available address of the multi-homed host, the transmission characteristics of the address when transmitting the data stream, and the load balancing among the data transmission volumes of multiple addresses can be considered to determine the data stream for request redirection, and Correspondingly, the update address used in this embodiment 1 specifically provides the followi...

Embodiment 2

[0071] Based on the same inventive concept, according to the data stream transmission method provided by the above-mentioned embodiments of the present invention, correspondingly, Embodiment 2 of the present invention also provides a multi-homed host, whose structural diagram is as follows Figure 4 shown, including:

[0072] A determining unit 401, configured to determine the data flow requested to be redirected, and the update address of the multi-home host used to transmit the data flow;

[0073] The transmission unit 402 is configured to send an address update message to the communication peer corresponding to the data flow, where the address update message carries the correspondence between the flow identifier of the data flow and the update address; and upon receiving the address returned by the communication peer After the update responds successfully, transmit the data stream with the communication peer through the update address.

[0074] Preferably, the determining ...

Embodiment 3

[0081] Based on the same inventive concept, according to the data stream transmission method provided by the above-mentioned embodiments of the present invention, correspondingly, Embodiment 3 of the present invention also provides a multi-home host, and its structural diagram is as follows Figure 5 shown, including:

[0082] The transmission unit 501 is configured to receive an address update message sent by the communication peer, where the address update message carries the correspondence between the flow identifier of the data stream and the update address of the communication peer used to transmit the data stream; and returns the address to the communication peer After the update responds successfully, transmit the data flow with the communication peer through the update address;

[0083] The updating unit 502 is configured to use the updated address to update the original address of the communication peer used to transmit the data stream based on the correspondence.

...

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Abstract

The invention discloses a data stream transmission method, a data stream transmission device and a data stream transmission system. The data stream transmission method includes the steps: firstly, identifying a multi-homing host in a network, determining data stream requesting redirection and transmitting a updated address of the multi-homing host used by the data stream; secondly, sending updated address information to a correspondent node corresponding to the data stream, wherein the updated address information carries a corresponding relation of a stream identifier of the data stream to the updated address; and thirdly, transmitting the data stream by the aid of the updated address and the correspondent node after successful response returned by the correspondent node to address updating is received. By the aid of the method, mobile management facing the data stream in the identification network can be realized.

Description

technical field [0001] The present invention relates to the technical field of data stream transmission in the communication field, in particular to a data stream transmission method, device and system. Background technique [0002] In the Transmission Control Protocol / Internet Protocol (TCP / IP) system of the traditional Internet, the IP address not only represents the location identification of the node, but also represents the host identification of the node. The network layer uses the IP address as the node in the network. The location identifier of is used for routing, and the transport layer uses the IP address as the host identifier of the node, which is used to establish the connection of the transport layer. When a node changes its IP address due to movement, the connection at the transport layer is interrupted and the connection needs to be re-established. Therefore, the TCP / IP protocol system of the traditional Internet is not conducive to supporting the session c...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/12
Inventor 曹振邓辉
Owner CHINA MOBILE COMM GRP CO LTD
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