draft-brockners-opsawg-ioam-deployment-02: Evolve security section: Add mitigation considerations

[brockners]

Evolve security section:

Add mitigation considerations for the different threats mentioned.
In particular, add considerations for mitigating against eavesdropping, DoS/DDoS, and time synchronization attacks.

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From Shawn Emery:

Hi Frank,

Thanks for your response. I've read draft-brockners-opsawg-ioam-deployment-02 and still have concerns that mitigating against eavesdropping, DoS/DDoS, and time synchronization attacks, have not been sufficiently covered specifically regarding the data tuple vector.

Regards,

Shawn.