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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.NetFlix原创犯罪惊悚题材巴西剧集，《精英部队》、《毒枭》导演何塞·帕迪里亚打造，本剧的灵感来源于真实事件。讲述巴西史上最大的洗钱行动，针对石油及建筑公司涉嫌政府腐败的调查在巴西引爆了一场丑闻...."Because I have heard some scout comrades who came down from the enemy's rear say before, The Vietnamese army has the habit of dogs biting people. They just take advantage of the dog's low stature, The advantage of fast moving speed, Avoid fire, Then they rushed to the position with explosives and died with us. There is also the gunner who rushed up with the dog and bit us. Good jamming the gunner's shot, Buy time for their attack, I heard that they learned this tactic from Mao Zi. I don't know exactly what is going on. Anyway, that kind of "dog" is fantastic, with a large number and fast speed. It is difficult to hit all kinds of light and heavy firepower on hand. The closer they get to the position, the more they will take some simple evasive actions, which cannot be prevented.边城南江市，离奇命案不断，血腥暴力死亡恶斗，件件都与毒品案牵连。警官沈飞扬机智抓获毒贩阿三，重挫老鬼贩毒集团。老鬼凶狠报复，残忍炸死沈飞扬怀孕的妻子兰兰，并嫁祸于人。沈飞扬发誓捉拿老鬼，老鬼遁形，警察调查误入歧途。丁莉茜进入刑警队，被沈飞扬吸引，高黎明也为丁莉茜而痛苦，三人陷入情感漩涡。丁鹏义开始理解女儿的理想，多方支持并撮合女儿和沈飞扬的感情，父女关系融洽。表姐安妮意外死亡，高黎明牺牲，沈飞扬失明等等事件让丁莉茜震惊，抽丝剥茧发现老鬼就是父亲丁鹏义。老鬼集团再次浮出水面，南江市的毒品案死灰复燃，沈飞扬再一次投入和老鬼的惨烈争斗中。面对正义和邪恶，亲情与爱情，丁莉茜矛盾重重痛苦抉择，无法坦然面对挚爱的沈飞扬。此时老鬼已有新的计划，丁莉茜将计就计，给老鬼设下重重圈套。父女两人终于在正邪较量的枪口下对决……张良得到这个消息的时候，心中相当的失落和担忧。　　《灌篮高手》。“你虽然李娜（梅婷 饰）是一个在职场和家庭中都习惯了彪悍作风的女人，她不顾全家反对，带着正值叛逆期的儿子丁一一（胡先煦 饰），草率移民温哥华，成为陪读妈妈。在温哥华，这对本就水火不容的母子，更加矛盾重重。移民后的李娜经历着人生中前所未有的考验，紧张的夫妻关系，对国外生活的各种不适应，国内事业也一落千丈，李娜遭遇了人生的低谷。为保婚姻，李娜冲动回国，却闹得不欢而散。正当二人关系缓和，丁大丁（许亚军 饰）飞往温哥华与李娜团聚，却引出一段陈年旧情，这段插曲使李娜和丁大丁重新审视自己的婚姻。丁一一陪伴着李娜，一同经历了在温哥华的涅槃与洗礼，最终收获学业，丁一一成长为一个真正的男子汉。李娜对人生也有了新的感悟，毅然选择回到祖国开创事业。