How Skype works

I saw this post on Network World fusion about Skype and started following the links. It’s pretty interesting reading, especially Mark O’Neill’s post about using Skype behind a NAT firewall. I hadn’t really thought about the P2P aspects of Skype and how being behind a firewall that doesn’t allow incoming TCP or UDP connections could be making my connections less stable, and what I could do to maybe help that. I’ll have to play around a bit with my home router to see if I can allow connections to my laptop when I’m using Skype.

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