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                # socket - Socket又稱“套接字”,應用程序通常通過“套接字”向網絡發出請求或者應答網絡請求 - 常用的Socket類型有兩種:**流式Socket**和**數據報式Socket**,流式是一種面向連接的Socket,針對于面向連接的TCP服務應用,數據報式Socket是一種無連接的Socket,針對于無連接的UDP服務應用 - TCP:比較靠譜,面向連接,比較慢 - UDP:不是太靠譜,比較快 ## 舉個例子:TCP就像貨到付款的快遞,送到家還必須見到你人才算一整套流程。UDP就像某快遞快遞柜一扔就走管你收到收不到,一般直播用UDP。
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