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Distributed Denial of Service Attacks: Multiple attackers in different locations attack one or several targets at the same time, Or one or more attackers take control of multiple machines located in different locations and use these machines to attack the victim simultaneously. This kind of attack is called Distributed Denial of Service attack because the point of origin of the attack is distributed in different places.隋朝年间，烽烟四起，天下大乱。而骄奢荒淫的隋炀帝却不顾百姓涂炭，在奸相宇文化及的怂恿下，每日沉浸在声色犬马之中。太原侯李渊和二子李世民不忍天下苍生苦难，暗中联络江湖义士准备推翻大隋，解民倒悬。埃米莉亚·福克斯说：“与阿曼达合作是一件多么愉快和激动人心的事。山姆·瑞安再次成为这部剧的主角，是庆祝《沉默的见证》25周年的最佳方式。”Because some denial of service attacks take advantage of the vulnerabilities of network protocols, others seize the limited processing capacity of the network or equipment, the prevention and treatment of denial of service attacks has become a headache for administrators. In particular, firewalls, load balancing and other equipment, which are widely used on the backbone lines in most network environments, often become the bottleneck of the whole network when DDoS attacks occur, causing the paralysis of the whole network.科研小组的学生王睿在一次试验中穿越到2050年见到未来的自己，未来世界因生物机器人异变而面临巨大的危机，为了解决这一问题，王睿回到2015潜心研究，然而研究成果却被同伴盗用。为了解决同伴与自己的心结，王睿再次穿越回2005年，欲从源头挽回一切。待一切轨迹被改写，生物机器人危机却依旧未解决。这时王睿才从蛛丝马迹中发现，未来的自己是否并非真实的自己。挚爱之人只是牵线木偶，光明的未来化为泡影，王睿究竟该如何挽回自己的人生？又该如何解决人类的危机？Automatic Single Focus (AF-S): It is more suitable for shooting static objects or scenes with small motion amplitude.The main body of the game designed by He Yihe is to let the experiencer form a virtual temporary relationship in a closed space. "It is similar to table games and killing games, but killing games have a specific identity that is systematically given to you. However, in the game generation of death experience, the experiencer is substituted into the real state of his daily life." In a given simulation situation, the experiencer needs to make a choice in a dilemma, and their choice determines their "life and death" in each round of the game.