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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.用过简单的早饭之后，一行人便上路了，策马沿河东去，这样不容易mí失方向，走起来也相当对平坦。李艳中了彩票特等奖，但突然发现妻子蔡静和老板马可关系暧昧。于是，选择隐瞒真相。后来，他和几个老朋友成立新的化妆品公司打败了马可，也在这一过程中体会到了夫妻之间、朋友之间的真挚感情。《指环王》是4名年长男艺人与4名年轻艺人为了得到普通女性的爱而展开魅力对决的新形式恋爱综艺节目。李辉才、金申英担任MC，出演者有池相烈、柳泰俊、张佑赫、Tony安、2AM昶旻、李秀赫、金宇彬、Infinite南优贤。幕后制作：杨长帆看着这场景，心中竟然想起了当年看的一出电视剧，水泊梁山，宋江聊诏安的时候，大概也就是这样了吧。