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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.2. For ships equipped with operational radars, consideration shall also be given to:讲述洪吉童创建的栗岛国一名道士“田禹治”因朋友的背叛失去像父亲般依靠的洪吉童，且他心爱的女人也死去，田禹治为了报仇而到朝鲜王朝后发生的故事　　大哥海天，谨记着海奶奶的遗嘱，一心想要一家团圆。　　问题少年瑞恩（本杰明·麦肯锡 Ben McKenzie 饰）在贫民区长大，一日在哥哥教他偷车的时候，被警察抓住。公设辩护队律师桑迪·科恩成了他的监护人。因负责监管瑞恩的生活桑迪让他住进了自己位于纽 波特海滨的家中。桑迪的妻子凯斯顿对瑞恩的到来并不欢迎。她担心瑞恩会对自己年少的儿子塞斯（亚当·布罗迪 Adam Brody 饰）产生不良影响，只同意让瑞恩住一周。在与科恩家相处的第一个晚上，瑞恩遇见了科恩家隔壁的女孩玛丽莎（米莎·巴顿 Mischa Barton 饰），并对她一见钟情。郑氏无意识地绞着手指，轻声道：你这些儿女，哪一个是简单的？她也在矛盾和纠结。