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51CTO
11 天
为什么TCP需要三次握手而不是两次?
大家好,我是岛主小风哥,今天来聊聊为什么TCP需要3次握手而不是2次。 但由于水流的作用,同一个方向叶子先出发的有可能后到(乱序),也有可能沉到水里(丢失)。 也就是说假如a发了四片叶子,每片叶子上写两个字,记录的是“码农的荒岛求生”,a依次把【码 ...
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