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If an attack is detected, the management center will start a cleaning scheme to pull the mixed traffic of attack traffic and normal traffic through BGP, CDN, etc. Pull the mixed flow to the flow cleaning center for cleaning. The problem in the process of traffic cleaning is that the current DDOS attacks present a mixed attack state with multiple attack methods coexisting. In this case, how to efficiently detect attacks is the main problem currently facing. After consulting numerous data, Huawei's "seven-layer cleaning plan" is found to be very enlightening. The scheme comprehensively analyzes data packets for mixed traffic through seven layers of defense measures such as static filtering, abnormal message filtering, scanning and snooping message filtering, source legitimacy authentication, session-based prevention, feature identification filtering and traffic shaping, so as to detect attack traffic to the greatest extent. The framework of Huawei's "seven-layer cleaning scheme" is shown in Figure 2. After the traffic is cleaned, the attack traffic is discarded, and the normal traffic is injected back into the network through MPLS, GRE tunnel technology, etc.Announced the Art and Sports Major Enrollment Cultural Achievement Control Score Line老子在这呆腻了，天天黑窝头玉米糊，糙米饭里面的石头比米还要多，这是人过的日子嘛……黎章轻笑道：那汪大叔何不回家去过人过的日子？黎水道：汪大叔要是不喜欢吃那糙米饭，下回都送来给我好了，我最喜欢吃了。她伸手胡乱抓去，抱住了树干，也从睡梦中挣醒过来，脱离了那份勒紧的桎梏。菊花，我好些日子没见你了。《粤唱越响》由广东电视台珠江频道、音乐之声频率联合主办，为观众再现歌手们经历岁月却星光不减的魅力，同时推出一批有才华有实力的新晋粤语歌手，延续粤语歌坛的星梦传奇，传递努力坚持音乐梦想的正能量！板栗便推说睡凳子没啥，就当锻炼了，不然去了军营，还不知会吃什么样的苦头呢。