Mailinglist Archive: opensuse (1777 mails)

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Re: [opensuse] Moving to IPv6
  • From: James Knott <james.knott@xxxxxxxxxx>
  • Date: Mon, 13 Sep 2010 10:22:41 -0400
  • Message-id: <4C8E33B1.7080402@xxxxxxxxxx>
Ilya Chernykh 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. 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.

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.

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?

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