NetWorkInterface
http://www.computing.net/answers/programming/generate-list-of-network-interfaces/13159.html
http://stackoverflow.com/questions/860673/programatically-disable-enable-network-interface
http://www.codeguru.com/cpp/i-n/network/networkinformation/article.php/c5451
http://stackoverflow.com/questions/5213629/how-to-enumerate-all-available-network-interfaces