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The full name of UDP protocol is user datagram protocol. It is used to process data packets like TCP protocol in the network and is a connectionless protocol. In the OSI model, the fourth layer, the transport layer, is the next layer above the IP protocol. UDP has the disadvantages of not providing packet grouping, assembling and sorting packets, that is, when the message is sent, it is impossible to know whether it arrives safely and completely.　　随着日常的工作接触，尽管李莉对刘东毫无感觉，但刘东却已经暗暗地爱上了她。相貌英俊，性格豪爽的军分区参谋马刚来医院就诊，与李莉邂逅，两人一见钟情，相同的家庭背景让两个年轻人越走越近，很快就到了谈婚论嫁的地步。婚前旅行让两人收获了满怀的好心情，旅行照片中的甜蜜正在向他们招手。当奥托家族迎来新纪元时，凯蒂和格雷格做出了出售家庭小货车的情感决定；丹尼尔遭遇挫折，迫使他重新思考如何实现自己的目标。Compared with resource consumption attacks, service consumption attacks do not require too much traffic. They mainly carry out accurate fixed-point attacks according to the characteristics of services, such as CC of the Web, retrieval of data services, download of file services, etc. Such attacks are often not aimed at congesting traffic channels or protocol processing channels. They are busy situations in which the server always handles high-consumption services and thus cannot respond to normal services. The detailed schematic diagram is as follows:爱丽丝连忙喊道：我问你，我是出演周芷若，还是赵敏？出演周芷若，还是赵敏？什么啊？陈启被爱丽丝说得一愣一愣的。Grandma Lily gave a thumbs-up sign and bent down to pinch little Charlie's little face./praise