You don't always have a choice: http://farm3.static.flickr.com/2316/2216487046_b7ca640f56_o.jpg http://farm3.static.flickr.com/2316/2216487046_b7ca640f56_o....

You don't always have a choice: http://farm3.static.flickr.com/2316/2216487046_b7ca640f56_o.jpg http://farm3.static.flickr.com/2316/2216487046_b7ca640f56_o.... Plus, we live in cloud la la land these days. You have no idea how any of your machines/VMs are connected together. We can assume nothing.