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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.Name: Jiang Si说完，他抬头对板栗冷笑道：什么时候玄武侯也学村妇骂街了？板栗尚未答言，就听一声清脆的声音传来：玄武侯学村妇骂街容易，就是学不会那满嘴仁义，实际却阴险恶毒的小人行径。Netflix宣布续订刚刚播出的新剧《毒枭》第二季。After entering the duel field, if there is no other player, you can select the [Invite] button to invite the player to enter the room. You can also choose the viewing mode after entering the room.　　李尚允饰演男主人公徐道宇，是一名建筑学专业的讲师，拥有总是能令人愉快的性格。徐道宇与妻女享受平凡的生活，突然卷进某件事件中，陷入困顿，并且崔秀雅也慢慢渗透进他的生活。