Network load balancing routing method, device and equipment of SDN (Software Defined Network) based on QoS (Quality of Service) priority

A network load and priority technology, applied in the field of communication, can solve the problem that static path allocation cannot meet the specific needs of the business, and achieve the effect of avoiding network congestion

Active Publication Date: 2022-07-12
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0003] The control plane and data plane of the SDN network are flexible, which is suitable for solving the problem that the static path allocation cannot meet the specific needs of the business due to the rapid and dynamic changes in the traffic in the network.

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  • Network load balancing routing method, device and equipment of SDN (Software Defined Network) based on QoS (Quality of Service) priority
  • Network load balancing routing method, device and equipment of SDN (Software Defined Network) based on QoS (Quality of Service) priority
  • Network load balancing routing method, device and equipment of SDN (Software Defined Network) based on QoS (Quality of Service) priority

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[0072] In order to make the purpose, technical solutions and advantages of the present application more clearly understood, the present application will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

[0073] In this application, the use of ordinal terms such as "first," "second," etc. to modify an element does not imply any priority, order, or order of one element relative to another element, or of performing actions in a method. Chronologically. Unless specifically stated otherwise, such ordinal numbers are only used as labels to distinguish one element with a particular name from another element with the same name (except for the ordinal number).

[0074] The QoS priority-based SDN network load balancing routing method provided by this application can be applied ...

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Abstract

The invention relates to a network load balancing routing method, system and equipment of an SDN (Software Defined Network) based on QoS (Quality of Service) priority. The method comprises the following steps: setting at least two flow cache queues in at least one terminal switch, wherein the at least two flow cache queues at least comprise a high-priority flow cache queue and a low-priority flow cache queue; determining a first-level QoS priority of the service flow according to the service type of the service flow received by the at least one terminal switch, and distributing the service flow to one of the at least two corresponding flow cache queues according to the first-level QoS priority; according to the obtained real-time service flow state of the SDN, allocating a second-level QoS priority to the service flow allocated to one of the at least two flow buffer queues, wherein the second-level QoS priority is used for indicating the scheduling sequence of the service flow in one of the at least two flow buffer queues; and indicating the scheduling sequence of the service flows in the at least one terminal switch according to the second-level QoS priority of each service flow in one of the at least two flow cache queues.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular, to a network load balancing routing method, apparatus and device based on QoS priority SDN. Background technique [0002] SDN (Software Define Network, Software Defined Network) is a new type of network architecture proposed by Stanford University in the United States. SDN technology is a way of breaking the traditional network organization and application method, with logical centralization, separation of control and forwarding, open interface and programmable. Features a brand new network architecture. [0003] The control plane and data plane of the SDN network are flexible, which is suitable for solving the problem that the rapid and dynamic change of the traffic in the network leads to the problem that the static path allocation cannot meet the specific needs of the service. However, the SDN network faces the problem of how to balance the network load w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L47/80H04L49/90
CPCH04L47/805H04L49/90Y02D30/50
Inventor 刘旭孟萍杨龙祥朱洪波
Owner NANJING UNIV OF POSTS & TELECOMM
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