Mailinglist Archive: opensuse (1777 mails)

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Re: [opensuse] Moving to IPv6
  • From: Ilya Chernykh <neptunia@xxxxxxx>
  • Date: Mon, 13 Sep 2010 18:33:03 +0400
  • Message-id: <201009131833.03100.neptunia@xxxxxxx>
On Monday 13 September 2010 18:22:41 James Knott wrote:

When cabling a building for a new service, you're not going to do it for

just some. It'll be an all or none situation.

Why?

It costs a lot of money to send a crew to a site and have them run
cables.

Just send a student to insert a cable into a socket and put it into a hole?
are you kidding?

Once there, it doesn't cost a lot more to run several cables.
So, when a company comes in to cable a building, they're going to want
to do it all at once, rather than send out a crew later just to hook up
one customer.

Well this is not the case. Why to have 50 cables to dangle in the utility
tube without purpose if adding a new cable is a matter of 10 minutes?

Not to say, people can steal non-used cables.


First, there is no need for new cable, the old one will work,
second, it's a matter of 20 min to lay a new cable from the hub to the
flat.

1) Very few buildings are wired for ethernet. They have phone cable and
perhaps TV cable.

Not here. Some building here have up to 6-7 Ethernet providers at once.

2) You're not going to run a lot of ethernet over phone cable, even
though that cable (if cat 3) is capable of running 10baseT ethernet.
Most multi-unit homes (apartments, condos etc.) are wired to provide
phone lines to every unit, plus a few spares for those who want more
that one line and also replacement of failed pairs. Ethernet will
require two more pairs to each unit and for 100 Mb ethernet, it had
better be cat 5 or better and not cat 3 that's been used in recent years
for phone. There is also, in older buildings, phone cable that's not
even cat 3 and therefore not capable of supporting ethernet.

So, you have all these buildings that do not have the necessary cables
to support ethernet. So, tell me again, what will be used to carry
ethernet?

Ethernet cables. Why that weird idea to use phone cable for ethernet?
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