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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.南边与葡萄牙脆弱的协议已经到期，他已经看到了庞大的东印度舰队再次集结，印度人显然没给他们造成太多的麻烦。这期，小昭终于揭开了自己的身世，她是黛绮丝和韩千叶的女儿。以朝鲜时代最初的美人选拔大会为背景，讲述主人公摆脱被既定的人生寻找梦想的青春音乐电视剧.为了完成母亲的遗愿，莉娜在罗马度过大学开始前的暑假。她在那里发现了浪漫和奇遇，也迷上了意式冰淇淋。A total of 36 million pairs of socks were sold in 2015, with the cumulative amount of financing exceeding 116 million US dollars in 2016. In addition, Stance replaced Adidas as the NBA's standard sock supplier in 15 years and was allowed to print the NBA Logo on socks.太爱行侠仗义而总被退学、辗转流离的高中生关羽和张飞 ，在被第二十四所学校退学， 号称「二十四校」之际，遇上一名缴不起学费的落魄贵族刘备，与极度耐打的开朗少年马超， 百发百中神射手黄忠，加上不对盘的超美少年赵云，因缘际会齐聚贵族学校东汉书院，共同对抗黄巾高校的侵略。 刘关张三兄弟与银时空的宿命邂逅，五虎将之一的关羽与校花貂蝉的千年一遇，一场制霸天下的争夺之战，就此展开 。