[email protected] writes:

> There may exist different cases: 
> 
> Case 1: Virtual network and underlying infrastructure belong to the
>         same DC operator, In this case, the underlying infra can be
>         trusted

Can you clarify a bit? When you say "virtual network", isn't that the
tenant network, which by definition is separate from the DC operator
network? I would assume that the VN and underlying infrastructure
never trust each other.

> Case 2: Virtual network and underlying infrastructure belong to
>         different DC operators, In this case, different operator may
>         have different security policies. So the underlying infra can
>         be considered as Untrusted.

I would assuem this is the case we care about.

Thomas

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