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A Primary and Secondary Reset Judgment System Based on Mimic Service Function Framework

A primary and secondary, functional technology, applied in the field of service deployment and mimic security defense, can solve the problems of high latency, high resource occupancy, different speed of heterogeneous SF executives, etc., and achieve the effect of low latency

Active Publication Date: 2022-05-24
ZHEJIANG GONGSHANG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to address the deficiencies of the prior art. The present invention provides a primary and secondary reset judgment system based on the mimetic service function framework, which solves the problem of high time delay, high resource occupancy rate, and different execution speeds of heterogeneous SF execution bodies. The problem

Method used

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  • A Primary and Secondary Reset Judgment System Based on Mimic Service Function Framework
  • A Primary and Secondary Reset Judgment System Based on Mimic Service Function Framework
  • A Primary and Secondary Reset Judgment System Based on Mimic Service Function Framework

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Embodiment 1

[0027] figure 1 The architecture diagram of a primary and secondary reset judgment system based on the mimetic service function framework provided in the first embodiment of the present application, the system solves the problem that the traditional judgment system cannot meet the multi-data and low-latency requirements of the data forwarding layer, and the main process of the system is include:

[0028] The distributor forwards the data packet to the set of primary and secondary executors, the secondary executor inputs the execution result into the buffer, and the feedback decider stores the output of the buffer into the hash table through the hash map, and accumulates equal hash values. Then, the judgment result is fed back to the control analyzer in time, and a new main executive body combination and offline abnormal executive body are selected.

Embodiment 2

[0030] figure 2 A schematic flow chart of adding an identification header to a data packet in order to solve the difference in execution speed of different SF executives by a primary and secondary reset judgment system based on the mimetic service function framework provided in the second embodiment of the present application, as follows:

[0031] Assume that the SF executive pool consists of m heterogeneous SF executives. In order to distinguish the outputs of different SF executives, the present invention sets a unique number for each SF executive in the SF executive pool. All SF executive sets in the SF executive pool can be represented as follows:

[0032] SF={SFx 1 , SFx 2 ,…,SFx m}

[0033] In order to make the input and output of the SF executive correspond one-to-one, set the SF executive to output an empty result after each filtering operation. One of the n online SF executives selected from the set SF is selected as the main executive, and the remaining SF exe...

Embodiment 3

[0049] image 3 The third embodiment of the present application provides a schematic flowchart of a primary and secondary reset decision system based on a mimetic service function framework for solving the problem of high memory overhead of a feedback decision device. The specific method is as follows:

[0050] All the execution results of the secondary execution body selected as the basis for the decision will be temporarily cached in the buffer. The buffer sets different independent buffer pools for each SF executive through the classification module according to the different numbers of each SF executive in the executive pool.

[0051] POOL={pool 1 , pool 2 , …, pool m}

[0052] The register will directly depend on reaching the execution result h b x i p l The number of header x i Store it in the corresponding buffer pool pool i . Suppose the buffer currently receives the SFx i The execution result is h b x i p l , due to SFx i The arriving packets are proces...

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Abstract

The invention discloses a primary and secondary reset judgment system based on a mimetic service function framework, the system includes a control analyzer, a distributor, a primary and secondary executive body set, an SF executive body pool, a buffer and a feedback judger; the distinction is made The execution results of the primary and secondary executive bodies are input to the buffer, and the output of the buffer is stored in the hash table through the hash map by the feedback decision device, and the judgment is made by accumulating equal hash values, and then the judgment is fed back in time The results are sent to the control analyzer to select a new main executive body and offline abnormal execution body to achieve the purpose of dividing the primary and secondary execution body and resetting the primary and secondary execution body. The present invention ensures the security of the system through the reset of the primary and secondary execution body. By adding an identification header, the system can distinguish the execution results belonging to different primary and secondary reset cycles. While maintaining a certain degree of security, it effectively reduces the time delay of mimicry judgment.

Description

technical field [0001] The invention relates to the field of service deployment and mimic security defense, in particular to a primary and secondary reset judgment system based on a mimic service function framework. Background technique [0002] With the emergence and application of Software Defined Network (SDN) technology and Network Function Virtualization (NFV) technology, the deployment of service function chains has regained its vitality. In the face of endless network attacks, SFC exposes many security problems, and traditional passive defense methods are difficult to ensure the security of SFC. The present invention proposes a primary and secondary reset decision system under a novel defense architecture. The system guarantees the external uncertainty of the system by maintaining the dynamics, heterogeneity and redundancy. Under the premise of ensuring a lower system delay, the attack cost of the attacker is greatly increased, and the security of the SFC has been e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/40
CPCH04L63/1416H04L63/1425
Inventor 李传煌宣家栋汤中运王伟明雷睿
Owner ZHEJIANG GONGSHANG UNIVERSITY
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