I disagree. Given what we now know post Snowden, it's certainly advisable to encrypt internal transports whenever possible. As an additional example, lots of

I disagree. Given what we now know post Snowden, it's certainly advisable to encrypt internal transports whenever possible. As an additional example, lots of people tend to mistake MPLS as being encrypted as opposed to just being a private network so it's definitely advisable to make sure traffic is encrypted whenever possible inside or out.