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1 RangeThe 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.他很清楚，虽说自己擅长格斗，可毕竟势单力薄，若是被几人围住，不见得能沾光多少。只要加强对军队的训练，假以时日，这些士兵的战斗力也能达到一定水平。天生通“狗语”的东北创客苟翔为了梦想，“忽悠”发小儿马大虎、“职业媒婆”白甜甜、北漂歌手黄绿红在北京成立了专门帮狗狗找对象的“萌宠爱神事务所”。苟翔的追求者、金矿主女儿朱丽死缠烂打也加入进来。苟翔偶然结识一只“阅狗无数”、善于为狗狗搭配姻缘的雄性流浪比格犬，忽悠其加入自己的团队，并为其取名“爱神”。尽管时刻面临经济窘境，苟翔等人和爱神依然孜孜不倦地为隐婚狗、基友狗、裸婚狗、外遇狗、未婚先孕狗等狗狗解决一个又一个婚恋难题，助天下有情狗终成眷属的同时，也实现了他们的梦想。Recently, criminals carried out a Distributed Denial of Service (DDoS) attack on Spamhaus, a European anti-spam organization. These people took advantage of the loopholes in the open DNS resolver in third-party servers.　　她遵从自己的欲望活着。