title: Sending UDP packets over the Internet
body: <p>I'm trying to learn some of the ins and outs of P2P/decentralized networks.  My question is the following. Say I have two machines named comp1 and comp2. Now comp1 is setup on my home network behind a router, and comp2 is located in my office at also behind a router.  Is it possible for me to send UDP packets back and forth across the Internet like this assuming of course that ports are forwarded properly?  To offer more insight on what I'm investigating, I'm trying to figure out how a new node would discover existing nodes without the use of a central server.</p>
  
  <p>Thank you!</p>