There is no issue with IP addresses and SPDY perse. It's just that for SSL encryption (HTTPS) to work currently you would need your own IP address as older brow

There is no issue with IP addresses and SPDY perse. It's just that for SSL encryption (HTTPS) to work currently you would need your own IP address as older browsers (read IE < 8 on windows XP) don't support the SNI method of setting up HTTPS where you don't need your own IP address.