Vrach said:
Why not hook it up to a different wi-fi and show the capability that way? It's one thing for it to be on the same network, completely another to connect from anywhere in the world. What's the necessary bandwidth for it to work seamlessly?
From personal experience with this kind of streaming I can confidently say they didn't try to demo it because its useless and barely works, when it works well its as good as Onlive and there is no way to ensure it works well. You need a good and very stable internet connection at home or wherever the "parent" device is for a start, low jitter, excellent line quality, minimal packet loss and ping with a good upload speed.
Then you need the same from the connection you are using the receiving device on, with public wifi like in a cafe or airport and/or using a mobile 3/4G internet connection you can imagine how difficult that can be. Finally absolutely everything in between the two needs to be perfect. No scheduling, delays, throttling or running around multiple nodes if/when the connection is passed on to the higher tier part of the connection. It can help if you can setup a personal VPN though, but there are to many factors that will ruin the experience.
I do not own a PS4 or PS TV so I cannot make specific claims but the technology will not be all that different, when I tried the PS3 to Vita remoteplay it was fine (within the limitations and issues of that platform ofc) around the house and I could get it sort of working at my sisters who has a fairly good connection and shares the same ISP as me and lives fairly close to me, if you have ever been playing a multiplayer game with the occasional annoying but not unplayable lag spike it was like that. Annoying but playable and its something you can get used to like playing a slightly laggy game the way we do from time to time anyway.
Over 3G mobile data it was hopeless and when I tried it at public wifi it was good sometimes but generally bad. I never tried 4G with the Vita though, my Vita doesn't have wireless internet but I could have tried using a 4G phone as an access point but never have and being unable I never tried using a Vitas own 3G connection which might change things but I dont know. 4G didn't make much difference with the Shield when I tethered that as the speed doesn't seem to be the biggest variable once you get passed the "good enough" point.
The same goes for my Nvidia Shield, great around the house but hopeless whenever I tried to stream from my PC to the Shield over the internet. You need a robust home network too for the best experience, make sure it has good bandwidth (300MB/sec to throw an arbitrary number if you have multiple users/devices at home) and it has no scheduling settings or overly restrictive firewall that would interfere as well.
The PS TV cannot be all that different to existing devices so in my opinion it will be hopeless using it over the internet most of the time.