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Do the protocols employed by wpa 2 and vpns use "cover traffic". A constant busy signal that would not allow for meta data analysis. If not is there a service that does this for you.

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No, they do not.

The only systems I know of that do traffic padding to defeat analysis are some mix networks such as Mixminion. It's a frequently-proposed thing for anonymizing networks such as TOR, but in practice, it's difficult to set up and tends to waste a great deal of bandwidth, increase latency, and constrain the total bandwidth of the network.

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