基于旋转门算法的安全网关控制信息采集策略

doi:10.11959/j.issn.2096-109x.2018079

网络与信息安全学报 ›› 2018, Vol. 4 ›› Issue (10): 59-67.doi: 10.11959/j.issn.2096-109x.2018079

基于旋转门算法的安全网关控制信息采集策略

王爽^1,²,陆月明^1,²

¹ 北京邮电大学网络空间安全学院，北京 1000876
² 可信分布式计算与服务教育部重点实验室，北京 100876

修回日期:2018-09-26 出版日期:2018-10-01 发布日期:2018-12-15
作者简介:高博|高博
基金资助:
国家重点研发计划基金资助项目(2016YFB0800302)

Information acquisition strategy for security gate-ways based on swing door trending algorithm

Shuang WANG^1,²,Yueming LU^1,²

¹ School of Cyber Security,Beijing University of Posts and Telecommunications,Beijing 100876,China
² Key Laboratory of Trustworthy Distributed Computing and Service,Ministry of Education,Beijing 100876,China

Revised:2018-09-26 Online:2018-10-01 Published:2018-12-15
Supported by:
The National Key R ＆ D Program of China(2016YFB0800302)

摘要/Abstract

摘要：

安全网关控制信息采集是天地一体化网络中的一种重要安全感知技术，传统的等时间间隔采集策略存在网络带宽浪费、数据大量冗余、采集节点数据采集量过大、传输次数过多等问题，针对这些问题，提出了一种基于旋转门算法的安全网关控制信息采集策略，该策略通过改进的旋转门算法分析判断安全网关控制信息（如网关流量、CPU利用率等）的变化幅度，自适应调整安全网关控制信息采集间隔。实验结果表明，该策略与传统等时间间隔采集策略相比，能在保证数据准确率的情况下，减少数据采集次数和数据传输次数，有效降低网络开销，提高数据采集效率。

关键词: 数据采集, 旋转门算法, 网关监测, 自适应变频

Abstract:

Acquisition the control information of security gateway is an important security awareness method in the space and earth integrated network,but the traditional equal interval time data method acquisition has problems,such as waste of network bandwidth,a large amount of data redundancy,excessive data collection of acquisition node and excessive transmission times.In order to solve these problems,a data acquisition strategy based on improved swing door trending algorithm was proposed,which analyzed and improved swing door trending algorithm to determine the control information of security gateway such as the rangeability of gateway traffic and CPU utilization,and to adjust the data acquisition interval adaptively.The experimental results show that compared with the traditional equal interval time data method acquisition,under the condition of ensuring the data accuracy,the proposed strategy can lower the times of data acquisition and transmission,effectively reduce network overhead and improve data acquisition efficiency.

Key words: data acquisition, swing door trending algorithm, gateway monitoring, self-adaptive frequency conversion

中图分类号:

TP393.08

王爽,陆月明. 基于旋转门算法的安全网关控制信息采集策略[J]. 网络与信息安全学报, 2018, 4(10): 59-67.

Shuang WANG,Yueming LU. Information acquisition strategy for security gate-ways based on swing door trending algorithm[J]. Chinese Journal of Network and Information Security, 2018, 4(10): 59-67.

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符号	定义
D_t	当前采集数据点，包括时间t和数据值d这2个属性
Htd	历史采集数据集合，包括时间t和数据值d这2个属
Std	历史存储数据集合，包括时间t和数据值d这2个属
Std[end]	上一次存储数据点，即当前压缩段的起始数据点
up-grd	当前上旋门斜率，即当前采集数据点与当前压缩段
down-grd	当前下旋门斜率，即当前采集数据点与当前压缩段
MAX-grd	上旋门最大斜率
MIN-grd	下旋门最大斜率
MAX	采集时间间隔最大值
MIN	采集时间间隔最小值
E	压缩阈值，压缩算法允许的误差值
Δ	与上一数据点的绝对差值
N	与上一数据点的绝对差值的阈值
interval_now	当前采集时间间隔
interval_new	调整后采集时间间隔
ADD	采集时间间隔增大的固定值

参数	值
E	3
MAX	60 min
MIN	60 s
interval	MIN
ADD	MIN
N	80

性能对	采集数据量/个	数据采集次数	数据传输次数
改进前	100	65	38
改进后	100	50	30

参数	值
E	3
MAX	60 min
MIN	60 s
interval	MIN
ADD	MIN

参数	值
E	3
MAX	60 min
MIN	60 s
interval	MIN
ADD	MIN
N	80

基于旋转门算法的安全网关控制信息采集策略

Information acquisition strategy for security gate-ways based on swing door trending algorithm

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