A pairing server is easy to connect to for both parties, it’s reproducible, and it’s more secure because it eliminates the need for one of the partners to log directly into the other partner’s machine.
You won’t be sharing a browser, but both partners can point their respective browsers to the same running server. You can even use NX on the pairing server, as you learned in Chapter 4, Collaborating with Shared Screens, and add its setup to your Puppet scripts. But we’ll leave that step as an exercise for you to do on your own.
As with our proxy server, there is nothing unique about Amazon’s cloud platform when it comes to building a pairing server. Most of the virtual private server alternatives mentioned in Chapter 3,