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Method and system for establishing data transmission links

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

Active Publication Date: 2014-10-15
THE PLA INFORMATION ENG UNIV
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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 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 data transmission links
  • Method and system for establishing data transmission links
  • Method and system for establishing data transmission links

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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 a network's ability to provide higher priority services, including dedicated bandwidth, jitter control and delay (for real-time and interactive traffic scenarios), packet loss rate improvement, and specified network under different WAN, LAN and MAN technologies traffic, etc., while ensuring that the priority given to each traffic does not impede the progress of other traffic.

[0051] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary ...

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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] The present application relates to the technical field of computer networks, 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 the existing IP network, it is difficult to guarantee the quality of service when implementing data transmission supporting diversified service virtual networks on it. This is mainly due to the fact that IP and the packet switching mode it uses, as the common basic bearer mechanism of the current information network, have too simple functions, resulting in a huge gap between the basic capabilities of the network and the requirements of upper-layer applications. [0003] Therefore, the existing network transmission capability is too single, and it...

Claims

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Application Information

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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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