[opendtv] Re: Wired: Comcast may have found a major net neutrality loophole

  • From: Craig Birkmaier <brewmastercraig@xxxxxxxxxx>
  • To: opendtv@xxxxxxxxxxxxx
  • Date: Mon, 23 Nov 2015 09:47:42 -0500

On Nov 22, 2015, at 9:17 PM, Manfredi, Albert E <albert.e.manfredi@xxxxxxxxxx>
wrote:


As always, best to check your facts, Craig. Before arguing.

http://www.independent.co.uk/life-style/gadgets-and-tech/news/evening-internet-rush-hour-affects-broadband-users-6262838.html

This article confirms what I said. Internet speed drop 35% in the evening when
people watch TV...

This claims that Internet rush hour is 7-9 PM, in the UK anyway. TV prime
time goes to 11 PM, does it not? My sister used to use 3G for broadband. She
got reduced rates after 5:00 PM, presumably because 3G is used more during
the day than at night. Wired Internet usage ain't going to be all that
different.

There's a huge difference. During the day people are mobile and using cellular
data services. There may also be increased use of the wired networks by
business, but this is not bandwidth intensive video streaming.

You are correct that Prime Time is 8-11, although ratings tend to drop off
during the last hour. It might have been informative to use statistics from the
U.S., as we are ahead of the curve with video streaming.

Do you really think that Internet streaming only works for on demand? You'd
be wrong, and we've covered this a lot of times already. Internet streaming
is also more efficient for live/linear viewing, because it only clutters up
those PONs that have "group members" in such IP multicasts. Otherwise, the
multicast takes up no last mile bandwidth. Unlike the case of your legacy
broadcast streams, which are always there regardless of usage.

You are still missing it. Most TV viewing (and DVR recording) is tied to the
broadcast linear streams. Yes IP multicasts will play an important role in
network management, but you seem blind to the reality that about half of all TV
viewing is the popular linear networks.

Sorry Craig. Since less than half of people watch linear/live, an all-IP
infrastructure is even more desirable.

But that is not true. It may be only 47% watching live! but another ~25% are
recording those streams.

Having to dedicate 80% or more of your cable capacity, just because maybe a
tiny fraction of that is being used by DVRs for time-shift viewing, is silly.
Much better to let the traffic go only where it's actually being used.

It is.

Regards
Craig

Bert



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