IP协议就能够实现源节点和目的节点之间的数据传输，为什么还要传输层呢？ 两个设备之间的通信不是简单的数据传输，更准确的是两个设备上的应用进程之间的数据交换。换句话说，IP层虽然将数据报从源节点发送到目的节点，但该数据报还只是停留在网络层 ...

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Answer by Keith Winstein on Quora, A lot of people ask this question and think in these terms, but here's a different point of view. TCP and UDP are not at the same level of abstraction and they're ...

AFDX is incredibly more complicated than the difference between TCP and UDP ( https://en.wikipedia.org/wiki/Avionics_ ... d_Ethernet _ Typically, the largest reason ...