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黎章见她难得这么诚恳地说话。There are two meanings here, that is, in the situation that the target customers and products are applicable to a very wide range of objects, as new salesmen, we can start from our own contacts if we want to achieve rapid results. After all, there are various connections. We can first sell the products to them, achieve certain development, and increase some confidence in our next development. Another meaning is to use the relationship of friends to build a relationship with the target customers you have targeted and launch marketing.Zhou Yumin好在这时，那辆车已经离他们不远，车头还悬着一盏灯笼，并且传来胡周的声音：胡老大，少爷可还好？胡老大如同抓住了救星，急忙高声道：还好……不……不大好。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.