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Mimicry service function chain scheduling method

A technology of service function chain and scheduling method, which is applied in the field of scheduling of mimic service function chain, and can solve the problems of reducing the risk of loopholes being discovered, etc.

Active Publication Date: 2021-05-28
ZHEJIANG GONGSHANG UNIVERSITY
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Problems solved by technology

[0006] 2) The probability of the execution body being attacked will inevitably increase with the time it is exposed to the network
Therefore, the uncertainty of system structure information will inevitably increase, and the risk of vulnerability discovery will be reduced.

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  • Mimicry service function chain scheduling method
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  • Mimicry service function chain scheduling method

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Embodiment Construction

[0038] In order to make the scheduling method of this application clearer, the technical solution of this application will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments of this application:

[0039] Such as figure 1 As shown, the present invention proposes a scheduling method of a mimetic service function chain, which method includes the following steps:

[0040] (1) According to the trustworthiness of the mimic service function (Service Function, SF) executives, after sorting the executives in the heterogeneous SF executive pool, the top 15% of the trustworthiness are selected from the heterogeneous SF executive pool The executives are selected as the set of SF executives that meet the requirements; the heterogeneous SF executive pool has one type of SF executives that perform different types of service functions, as follows:

[0041] SF={S 1 , S 2 ,...,S i ,...,S l}

[0042] Among them, S i Indicates t...

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Abstract

The invention provides a mimicry service function chain scheduling method, in particular to a scheduling method for ensuring system isomerism and selecting executors to meet network requirements, which comprises the following steps of: selecting a new SF executor set according to service functions required in a scheduling period and the trustworthiness of the SF executors, and combining all sets which meet service functions and comprise a plurality of SF executors, wherein the overall isomerism degree of each combination is calculated, and the combination with the maximum overall isomerism degree is selected as a new online SF executor set. And the scheduling time is adjusted by the scheduling method, so that the optimal balance between the system cost and the security is achieved. Compared with a traditional scheduling method, the method has the advantages that the abnormal executor information, the isomerism degree of the executor and the actual load capacity of the system serve as scheduling influence factors, so that the scheduling method can be adaptively adjusted according to network changes, and the safety of the system is improved.

Description

technical field [0001] The invention relates to the field of mimic security defense and service functions, in particular to a scheduling method for mimic service function chains. Background technique [0002] With the emergence and application of Software Defined Network (Software Defined Network, SDN) technology and Network Function Virtualization (Network Function Virtualization, NFV) technology, the deployment of service function chain has regained its vitality. Service function chain deployment based on SDN / NFV technology. NFV technology can virtualize common physical devices and build resource pools for various network service functions. SDN technology can dynamically and centrally schedule traffic paths by separating the control and forwarding of network devices, thereby providing customized and flexible docking. SFC is built on the basis of SDN and NFV technologies. SF is a key component of SFC. All data flows in the SFC domain must pass through a specific SF to comp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/1433H04L63/1408H04L63/20
Inventor 李传煌唐晶晶雷睿王伟明
Owner ZHEJIANG GONGSHANG UNIVERSITY
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