On Fri, Jan 3, 2020 at 1:54 PM Sabri Berisha <sa...@cluecentral.net> wrote:
> ----- On Jan 3, 2020, at 1:00 AM, Mark Tinka mark.ti...@seacom.mu wrote: > > > On 2/Jan/20 21:02, Sabri Berisha wrote: > > > >> > >> Maybe you're just dating yourself here :) I use video calling on an > almost > >> daily basis with my family living in another country, 9 timezones away. > My > >> daughter can spend hours in her ipad "playing" with grandpa, live on > video. > > > > True, but how often are you and daughter "spending hours" on this over > > GSM vs. over wi-fi? > > That depends on where we are. Most of the time it is at home, over wi-fi. > However, sometimes they chat while my daughter is walking to school. At > some point, I worked in SoCal while the family still lived in the Bay > Area. > Very often, grandpa kept her entertained in the back of the car while > the misses focused on the road ahead of her in the central valley. > > But the point was that while some never use video calling, others do so > very > often. > > You also wrote: > > > With all the fibre going into homes, businesses, shops and restaurants, > > wi-fi is up-and-to-the-right. > > I don't know about you, but I rarely use those. My T-Mobile plan has > unlimited data and coverage is adequate for me. It even works abroad, so > unless I need high speed data I'm fine with the included 256kbps. > Surprisingly, that's good enough for facetime. > > I predict that there will be a time where, just like POTS lines were > exchanged for cellular phones, people will disconnect their cable internet > and rely on 6g or 7g alone. And probably still with IPv4 addresses. > You are not using ipv4 today. The scenario you describe, using facetime (iOS) on T-Mobile US, you are not using ipv4 on the device. T-Mobile does not assign ipv4 addresses to iOS or Android devices in default scenarios, has not for years. If the far end of your facetime call is v4-only, you may need nat64 in the cloud.... but otherwise no v4 in the flow, and no v4 on the device. CB > > Thanks, > > Sabri > >
