Here in comcast land hdtv is actually averaging around 12 megabits a second. Still adds up to staggering numbers..:)
Steve Gibbard wrote: > On Mon, 21 Apr 2008, Sean Donelan wrote: > >> The rest of the story? >> >> http://www.usatoday.com/tech/products/services/2008-04-20-internet-broadband-traffic-jam_N.htm >> >> By 2010, the average household will be using 1.1 terabytes (roughly >> equal to 1,000 copies of the Encyclopedia Britannica) of bandwidth a >> month, according to an estimate by the Internet Innovation Alliance in >> Washington, D.C. At that level, it says, 20 homes would generate more >> traffic than the entire Internet did in 1995. >> >> How many folks remember InternetMCI's lack of capacity in the 1990's >> when it actually needed to stop installing new Internet connections >> because InternetMCI didn't have any more capacity for several months. > > I've been on the side arguing that there's going to be enough growth to > cause interesting issues (which is very different than arguing for any > specific remedy that the telcos think will be in their benefit), but the > numbers quoted above strike me as an overstatement. > > Let's look at the numbers: > > iTunes video, which looks perfectly acceptable on my old NTSC TV, is .75 > gigabytes per viewable hour. I think HDTV is somewhere around 8 megabits > per second (if I'm remembering correctly; I may be wrong about that), > which would translate to one megabyte per second, or 3.6 gigabytes per > hour. > > For iTunes video, 1.1 terabytes would be 1,100 gigabytes, or 1,100 / .75 = > 1,467 hours. 1,467 / 30 = 48.9 hours of video per day. Even assuming we > divide that among three or four people in a household, that's staggering. > > For HDTV, 1,100 gigabytes would be 1,100 / 3.6 = 306 hours per month. 306 > / 30 = 10.2 hours per day. > > Maybe I just don't spend enough time around the "leave the TV on all day" > demographic. Is that a realistic number? Is there something bigger than > HDTV video that ATT expects people to start downloading? > > -Steve > > _______________________________________________ > NANOG mailing list > NANOG@nanog.org > http://mailman.nanog.org/mailman/listinfo/nanog > -- Registered Microsoft Partner My "Foundation" verse: Isa 54:17 _______________________________________________ NANOG mailing list NANOG@nanog.org http://mailman.nanog.org/mailman/listinfo/nanog
