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End-to-end connection building method and device

A connection establishment and main connection technology, applied in the field of communication, can solve the problem that the communication parties cannot establish a connection based on MPTCPP2P

Active Publication Date: 2014-11-12
SAMSUNG ELECTRONICS CHINA R&D CENT +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, this application provides a method and device for establishing an end-to-end connection to solve the problem that both parties in communication cannot establish a P2P connection based on MPTCP when both communication parties access the network topology of the Internet through a subnet

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  • End-to-end connection building method and device

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Embodiment Construction

[0019] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0020] In the embodiment of this application, a method for establishing an end-to-end connection is proposed, which is applied to an MPTCP network. When the newly added address is a private network address, it is necessary to first establish a transmission control protocol (TCP) between the private network address and the address of the remote terminal. ) connection, and close the established TCP connection; when the terminals of the communication parties establish the MPTCP main connection, the mapped public network address and mapped port corresponding to the private network address are sent to the remote device through an address increase message, and three handshakes are performed , to complete the establishment of the MPTCP s...

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Abstract

The invention provides an end-to-end connection building method which is applied to the MPTCP network. The end-to-end connection building method includes the steps that the end-to-end TCP connection is built between a first private network address of a terminal and a far-end terminal and closed; the MPTCP main connection is built between the terminal and the far-end terminal; the terminal transmits an increased address message to the far-end terminal through the built MPTCP main connection, and a mapping public network address and a mapping port of the first private network address are carried; the monitoring function of a local port bound with the first private network address is started by the terminal, a message sent by the far-end terminal to the terminal through a second address is monitored, three-way handshaking is carried out between the far-end terminal and the terminal, and the MPTCP sub connection is built. Based on the same inventive concept, the invention further provides an end-to-end connection building device; on the basis that the MPTCP is compatibilized, the P2P connection in the MPTCP network is built between the terminals in different local area networks.

Description

technical field [0001] The present invention relates to the technical field of communications, in particular to a method and device for establishing an end-to-end connection. Background technique [0002] With the rise of various Internet applications, especially peer-to-peer (P2P) applications, such as BitTorrent, eMule, PPStream, etc., users have an increasing demand for bandwidth. At the same time, bandwidth access technology has also achieved unprecedented development, especially wireless broadband access technology, such as WiFi, WiMAX, 3G / 4G, etc., enabling a user terminal to have multiple links to target nodes at the same time. [0003] In order to solve this problem, how to distribute the data flow to these multiple links to improve the network bandwidth in the way of resource sharing, the Multipath Transmission Control Protocol (MPTCP) came into being. However, for a network topology in which both communication parties access the Internet through a subnet, the comm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/12
Inventor 殷国甫颜晓蔚
Owner SAMSUNG ELECTRONICS CHINA R&D CENT