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TCP is connection-oriented, and a connection must be established between either side before sending data to the other. In TCP/IP protocol, TCP protocol provides reliable connection service, and the connection is initialized by three-way handshake. The purpose of the three-way handshake is to synchronize the serial numbers and acknowledgement numbers of both parties and exchange TCP window size information. The process of shaking hands can be represented by the following figure因为疫情，本来只是约个炮而已，在被隔离期间能否成为我的朋友Qinglan looked everywhere for health and apologized to him, but told her calmly and healthily to talk about them after Yishang's wedding. Youmei begged Hyun Cha to let Yeon-hee leave Sanwarm. Hyun Cha looked at Yeon-hee and could not bear to say it. The whole family was going to attend Yishang's wedding, but Koko said he would not attend. Yishang and Yu Ying quarreled over their children on the first night of their wedding.4. One bar is Second Officer: the most elementary and inexperienced pilot in the cockpit; Responsible for shift work on long-distance flights; Only when the plane reaches the cruising altitude can it sit in the right driver's seat.该剧讲述了马志武在面对友情的背叛、爱情的失意、事业的瓶颈的时，凭借自己的信念和勇气捍卫了友情、爱情、亲情，找到人生幸福和梦想的故事[2] 。该剧将于2017年6月5日在辽宁卫视播出。《企鹅家族》教给少年儿童们一些人生的必修课，每一集都在试图向年轻的观众们强调相互合作的好处和良好行为的重要性，以及贪心、嘲弄和不守规矩所带来的不良后果。这部动画片已经相继在全世界150多个国家播出，而这只名叫Pingu的卡通企鹅在许多国家被作为联合国儿童基金会的形象大使。大S扮演“龙凤店”的老板李凤姐，正巧遇到“逃婚”的正德皇帝任贤齐，于是两人便上演了一出搞笑动作喜剧。