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Data processing method for improving network virtualization performance under SDWN (software defined wireless network)

A virtualized network and data processing technology, applied in the field of wireless communication, can solve problems such as less research on performance improvement, impact on user experience quality, and network quality degradation, and achieve the effects of improving forwarding performance, promoting research, and improving efficiency

Active Publication Date: 2017-08-22
CHONGQING UNIV OF POSTS & TELECOMM
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Network virtualization in SDWN causes a sharp drop in network quality, affecting user experience quality
At present, SDWN research is in its infancy, mainly focusing on network function research, and there are few studies on performance improvement after network virtualization

Method used

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  • Data processing method for improving network virtualization performance under SDWN (software defined wireless network)
  • Data processing method for improving network virtualization performance under SDWN (software defined wireless network)
  • Data processing method for improving network virtualization performance under SDWN (software defined wireless network)

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Embodiment Construction

[0036] The technical solutions in the embodiments of the present invention will be described clearly and in detail below with reference to the drawings in the embodiments of the present invention. The described embodiments are only some of the embodiments of the invention.

[0037] The technical scheme that the present invention solves the problems of the technologies described above is:

[0038] In order to clearly and detailedly introduce the embodiment of the present invention, here first combined with figure 1 Briefly introduce some relevant knowledge in SDWN and explain the applicable application scenarios of the method of the present invention. Such as figure 1 As shown, the SDWN network architecture is divided into three layers, namely the application plane layer, the control plane layer and the data plane layer. In SDWN, in order to improve network programmability and improve network resource utilization, the data plane is virtualized. The method of the invention m...

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Abstract

The invention discloses a data processing method for improving network virtualization performance under an SDWN (software defined wireless network) and belongs to the technical field of communication. The method comprises the steps of intercepting IEEE802.11 frames in an MAC802.11 layer; carrying out processing task decomposition on the IEEE802.11 frames according to frame types; sending management frames, ARP request frames in data frames and DHCP request frames in the data frames to a user space for processing; finishing virtualization access and IP address allocation of a user; separately processing the control frames and the data frames in a kernel space; realizing functions such as channel access control through the control frames; sending the data frames to an enqueue processing thread module; caching the data frames in cache queues with different priorities according to different types of data service; and forwarding data packets in a plurality of cache queues through a scheduling algorithm based on service bandwidth allocation in a data forwarding thread module. According to the method, the data frame processing time delay can be reduced, and the data forwarding efficiency can be improved.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a data processing method for improving virtualized network performance under SDWN. Background technique [0002] SDWN is the English abbreviation of software defined wireless network (software defined wireless network), and it is an innovative application of SDN (software defined network) thought in the wireless field. SDWN simplifies the complexity of the network, abstracts the network to shield the complexity of the bottom layer, and then provides simple and efficient configuration and management for the upper layer. For the innovation and smooth evolution of WLAN, the introduction of SDWN brings advantages such as wireless network openness, virtualization, network function scalability, user selection and application awareness. In order to realize this flexible and controllable network in SDWN, software is generally used for control and forwarding. Software such as Click ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L29/06H04L12/865H04W84/12H04L47/6275
CPCH04L12/4641H04L47/6275H04L69/22H04W84/12
Inventor 徐川倪名王新恒李亚明赵国锋
Owner CHONGQING UNIV OF POSTS & TELECOMM
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