PPPoE大家见过，有没有见过 PPP over TCP呢，其实PPP只是一种串行协议而已，既然可以 Over以太网，自然也可以 Over TCP了，下次再给大家上个 Over SSH的。-PPPoE we have seen, there are PPP over TCP not seen it, in fact, PPP is a serial protocol only, as can be Over Ethernet, Over TCP can also be natural, and