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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.十几年前的高中毕业的暑假，5位小伙伴相约去日本，5位小伙伴中的老大，看上了一尊在售卖的女神雕像，但是钱不够，所以找其他同学借钱，大家就决定一起出钱买了，算是友情的见证，作为共同的财产。因为价格不贵，他们几个就很嫌弃的将佛像交给其中的老五保护着，回北京。转眼多年过去，其他小伙伴都事业稳定，只有老大还寥寥的自己经营一个皮包公司，就在其中校花为欠债的父亲赎身，需要嫁给一个富二代的时候，他们发现了当初买的那个雕像，居然值6000万，于是小伙伴们相约去日本，再度找回失去的青春……陈家三人听了松了口气，先不管儿子能不能要回来，但孙子是有保障了，且听玄武王怎么说。不管怎么说，他到底是汉王，到底是一代人杰。吕馨拿出手机，看了看手机上的号码，顿时扁扁嘴。主要讲述了隐形富二代男主和买鞋店女主相遇相知滴欢喜冤家故事～1960