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by mino 3568 days ago
In a way, P4 is still in very early stage. As others pointed out, Barefoot Networks is proposing their Tofino chip.

To get a taste of what is P4 like, you can get started with the Behavioural Model [1], which you can imagine as some sort of emulator over x86. My understanding is that it is also being reworked in C++ [2].

Finally, there's a module coming up for OpenVSwitch.

[1] https://github.com/p4lang/p4factory

[2] https://github.com/p4lang/behavioral-model