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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况且，臣还听说，皇上三年前曾下旨将秦枫之女赐婚与荣郡王之子——青龙将军洪霖，就更不能抗旨不遵了。蓝迪智慧乐园是针对0-6岁儿童家庭早期教育产品。以符合孩子心智成长需要。Updated October 30上世纪20年代末，上海百货巨子易氏家族遭遇承继危机，易兴华因独子易钟杰弃商从医，被迫召回长女钟灵、次女钟玉、幼女钟秀。钟灵乃名门淑女，典雅文静。钟玉由南洋巨贾外祖抚养，精明能干。钟秀留学美国，浪漫天真。三位千金生母 不同、脾性不投、成长环境迥异，为继承星华百货，三人各出奇招，争执不休。易兴华未料三凤还巢引发轩然大波，恐伤及骨肉之情，迟迟无法选定最终继承人，反令三女间误会重重、各奔东西。上海“孤岛”时期，易兴华把握时机，星华百货空前繁盛，经营所得泰半赈济上海灾民。但好景不长，1941年日寇侵占上海，易兴华因支援抗日爱国活动、坚拒日寇拉拢而遇害，星华百货失去掌舵人，又遭遇连番重创，陷入风雨飘摇之中。易氏子女为实现父亲实业兴国的夙愿，终能团结一致，共度时艰。不过这都在我的意料之中。