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Network function virtualization intelligent scheduling method based on flow identification

A network function virtualization and intelligent scheduling technology, which is applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of ignoring the optimal long-term income, the difficulty of traffic packets to play a role, and the narrow application range, so as to improve the Network utilization and network service performance, effective scheduling, effect of effective network resources

Active Publication Date: 2019-10-11
BEIJING UNIV OF POSTS & TELECOMM
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AI Technical Summary

Problems solved by technology

However, most of these works are limited to identifying a small number of specific network applications or traffic data in a specific network environment. It is difficult to play a role after the traffic packets are encrypted, and the scope of application is relatively narrow.
However, the dynamic orchestration scheme of virtual network functions is regarded as an online decision-making problem. Existing research is limited to modeling the environment to obtain the optimal scheme, ignoring the optimal long-term benefits extracted from historical experience.

Method used

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  • Network function virtualization intelligent scheduling method based on flow identification
  • Network function virtualization intelligent scheduling method based on flow identification
  • Network function virtualization intelligent scheduling method based on flow identification

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Embodiment Construction

[0042] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0043] see figure 1 , which introduces a network function virtualization intelligent scheduling method based on traffic identification proposed by the present invention, which is implemented based on the Trust Region Policy Optimization algorithm. Regarding the Trust Region Policy Optimization algorithm based on the Trust Region Policy Optimization, please refer to the following documents: J. Schulman, S. Levine, P. Abbeel, M. Jordan, and P. Moritz. Trust region policy optimization. In International Conference on Machine Learning, pages 1889–1897, 2015.

[0044] The method comprises the following steps:

[0045] (1) Classify the network data stream: construct the identification feature of the network data stream according to the arrival time, quantity and length ...

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Abstract

A network function virtualization intelligent scheduling method based on flow identification is realized based on a confidence region strategy optimization algorithm, and comprises the following operation steps: (1) classifying network data flows: (2) setting a state space of the confidence region strategy optimization algorithm; (3) setting an action space of a confidence region strategy optimization algorithm; (4) setting a reward function of a confidence region strategy optimization algorithm; (5) setting a loss function of the confidence region strategy optimization algorithm; and (6) on the basis of the previous steps, realizing intelligent scheduling of the virtual network function by utilizing a confidence region strategy optimization algorithm. According to the method, the intelligent scheduling of the virtual network function can be realized according to the service quality requirements of different flow data, and the network utilization rate and the network service performance are improved.

Description

technical field [0001] The invention relates to an intelligent scheduling method for network function virtualization based on traffic identification, which belongs to the field of information technology, in particular to the technical field of network function virtualization. Background technique [0002] With the rapid growth of network traffic data and the continuous popularization of network applications, network users have higher and higher requirements for service quality, including low delay, low packet loss rate and high throughput. Therefore, network equipment not only needs to increase bandwidth and Capacity requires an appropriate resource scheduling mechanism. Network Function Virtualization (NFV), that is, network function virtualization technology, separates network functions from traditional hardware devices, and can flexibly arrange network functions and share network resources. NFV technology uses virtualized network functions (VNF), namely virtual network f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/851H04L12/24H04L29/08
CPCH04L47/2441H04L47/2483H04L41/145H04L67/60H04L45/306H04L45/38H04L45/70
Inventor 王晶王敬宇孙海峰戚琦何波廖建新
Owner BEIJING UNIV OF POSTS & TELECOMM
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