VPNs and double encryption

[Miguel González Castaños <miguel_3_gonzalez () yahoo es>]

Dear all,

  As I have already mentioned here I'm doing an online course in 
Security. My final assignment or project is to design (but I have 
decided to go further and implement it) a VPN for a small office which 
in theory would have HTTPs  I've chosen OpenVPN for my tests. My tutor 
mentions that I should realize that using a VPN and https can be a 
problem when it comes about slow connections. I have used in the past 
some VPNs at work and using https and I haven't realized such problem 
(and I was using wireless connections in hotels).

  Any tool or guidance that I could use to measure if there is such 
impact on performance?

  Thanks!

  Miguel

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