Open your eyes and gain a little insight into IP operation for mobiles, from existing IPv4 and the transition to IPv6, not if but when. So if Nokia envisions having a Mobile Web Server is going to eventually happen then transition to IPv6 need to happen much sooner rather than later.
So to enlighten you on this subject much better than I could, we have this 23 minute video explaining just way the transition need occur.
Source — intomobile