Relay communication method and system and terminal for relay communication

A relay communication and terminal technology, applied in the field of communication network, can solve problems such as high delay, high packet loss rate, and affecting user communication quality, so as to reduce losses and ensure communication quality

Active Publication Date: 2018-03-09
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the relay server selected by the host is often not optimal, which will cause high packet loss rate and high delay when data is transmitted on this link, affecting the communication quality of users

Method used

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  • Relay communication method and system and terminal for relay communication
  • Relay communication method and system and terminal for relay communication
  • Relay communication method and system and terminal for relay communication

Examples

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0021] figure 1 It is a flowchart of an embodiment of the relay communication method of the present invention. Such as figure 1 Shown, the method of this embodiment comprises:

[0022] In step S102, the terminal sends a data packet to the relay server to be tested, and receives a data packet retur...

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Abstract

The invention discloses a relay communication method and system and a terminal for relay communication, and relates to the field of communication networks. The relay communication method comprises thesteps that the terminal sends data packets to to-be-detected relay servers and receives the data packets returned by the relay servers; the terminal determines the link qualities of the relay serversaccording to transmission information of the data packets; the terminal selects the relay server of which the link quality is superior to the preset condition as the relay server for communication; and the terminal achieves communication with other terminals through the selected relay server. According to the method, before the terminal achieves communication with the other terminals through therelay server, the terminal sends the data packets to the relay servers to detect the link qualities of the relay servers and selects the relay server for communication according to the link qualities,therefore, it can be guaranteed that communication data is transmitted on a link with the high quality, losses caused by network attenuation are reduced, and the communication quality of two communication parties is effectively guaranteed.

Description

technical field [0001] The invention relates to the field of communication networks, in particular to a relay communication method, system and terminal for relay communication. Background technique [0002] Currently, in some network application scenarios, terminals communicate through a relay server. [0003] For example, Network Address Translation (NAT, Network Address Translator) maps the private IP (Internet Protocol, network protocol) address of the host in the local area network into a public IP address, so that the host in the local area network can establish communication with the host on the Internet, alleviating the need for IP addresses. The exhaustion of space. However, since hosts inside different NATs cannot obtain each other's public IP addresses and ports, direct communication between hosts inside different NATs becomes extremely difficult. At this time, a host on the public Internet is needed as a relay server to exchange data packets for these two hosts ...

Claims

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Application Information

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IPC IPC(8): H04L29/12
CPCH04L61/256H04L61/2589
Inventor 沈云
Owner CHINA TELECOM CORP LTD
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