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Method and system for establishing a data transmission link

An establishment method and link establishment technology, applied in the field of computer networks, can solve problems such as inability to establish different data transmission channels for business flows, and achieve the effect of guaranteeing multi-level transmission

Active Publication Date: 2017-05-24
THE PLA INFORMATION ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, this application provides a method and system for establishing a data transmission link, which is used to solve the problem that existing solutions cannot establish different data transmission channels for service flows of different QoS levels

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  • Method and system for establishing a data transmission link
  • Method and system for establishing a data transmission link
  • Method and system for establishing a data transmission link

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Embodiment Construction

[0049] For ease of understanding, here is an explanation of the nouns and Chinese and English abbreviations used below:

[0050] QoS: (Quality of Service), the Chinese name is "Quality of Service". It refers to the ability of the network to provide higher priority services, including dedicated bandwidth, jitter control and delay (for real-time and interactive traffic situations), improvement of packet loss rate, and designated networks under different WAN, LAN and MAN technologies Traffic, etc., while ensuring that the priority provided for each traffic does not hinder the progress of other traffic.

[0051] The technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this applicati...

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Abstract

The application discloses a method and a system for establishing data transmission links. The method comprises: receiving a link establishment request including the path identifier and the link type sent by a source node, judging whether resource status of the current mode meets the requirements of QoS level of a data stream corresponding to the link type, if yes, establishing the link between the current node and the previous node, and judging whether the current mode is the last node of the link, if yes, sending response information to the source node hop-by-hop through the link, otherwise sending the link establishment request to the next node of the current mode to allow the next node to repeat the step of judging whether the resource status of the current mode meets the requirements of QoS level of a data stream corresponding to the link type and subsequent steps. According to the method and the system for establishing the data transmission link, transmission links can be established for the data streams having the same QoS level, multi-level transmission of the data is ensured and QoS requirements of the data is met.

Description

Technical field [0001] This application relates to the field of computer network technology, and more specifically, to a method and system for establishing a data transmission link. Background technique [0002] The original intention of virtual network design is to simulate various types of networks to achieve the purpose of enhancing network scalability. However, due to the connectionless and best-effort characteristics of existing IP networks, it is difficult to guarantee the quality of service when implementing data transmission on virtual networks supporting diversified services. This is mainly due to the fact that IP and the packet switching mode it uses, as the common basic bearing mechanism of the current information network, are too simple in function, resulting in a huge gap between the basic network capabilities and the upper-layer application requirements. [0003] Therefore, the existing network transmission capacity is too single, and it is impossible to establish di...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/725
Inventor 胡宇翔陈庶樵马腾卜佑军杜飞扈红超李印海白冰
Owner THE PLA INFORMATION ENG UNIV
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