nanog mailing list archives

Re: 5G roadblock: labor


From: Michael Thomas <mike () mtcc com>
Date: Sun, 5 Jan 2020 12:56:56 -0800


On 1/5/20 3:21 AM, Mark Tinka wrote:

I think we can all agree that the future is wireless access for
everything (phones, tablets, laptops, domestic appliances, e.t.c.).

The question isn't about whether the kids will be using wire or
wireless... we know they will be using wireless. The question is what
that wireless will be. Something has to drive the wireless, so the wire
(mostly high-bandwidth fibre) is not going anywhere. It is the
distribution, particularly in consumer applications, that will be wireless.

I just think that it will be more wi-fi than GSM data, simply because of
the cost of scaling out GSM data vs. the cost of running fibre to a site
and distributing connectivity via wi-fi.

Because you can pack wi-fi AP's a lot more densely for cheaper compared
to GSM radios, I think allocating newer frequencies toward wi-fi in
addition to the existing 2.4GHz and 5GHz makes a lot more sense to me,
and partially resolves the never-ending issues MNO's have of a lack of
spectrum.


It occurs to me that what we're really quibbling about here is where fiber ends. Is it at every street corner, or is it directly into my house? It seems to me ftth is the long term win economically because not everybody cares about each upgrade to wifi and are happy to wait until they do care -- if ever. Carriers, on the other hand, have to forklift in the new equipment at every G+1. That costs a lot of money which they have to recoup through higher fees. And they have to buy spectrum which is expensive. And they have to buy/rent real estate which is expensive. But people say ftth is expensive. But expensive to all of the stuff that wireless carriers need to deploy? Color me extremely dubious. It's not like rent seeking is exactly a secret with carriers, and that's what this smells like to me. The only advantage they have is that they can do handoffs which while useful, is not a deal breaker in a *lot* of situations. Other than that, I really don't want to use their air bits.

Mike


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