RE: Enough CAT5?

["Timothy Morris" <timothy.morris@xxxxxxx>]

 

-----Original Message-----
From: Mark McCall [mailto:mark@xxxxxxx]
Sent: 28 September 2001 14:50
To: ukha_d@xxxxxxxSubject: RE: [ukha_d] Enough CAT5?

>  The new WLAN technologies will be 100Mb+, and due next year.  

 

But cable can do 1Ghz!  Wireless is always going to be playing catch up. 

 

Do you need 1GHz? 100Mb is more than enough for current domestic applications. 

 

> Windows XP supports RADIUS for both  

> wired and wireless network security which encrypts every packet at the OS level so there's no need for the  

> cards themselves to offer it (It is like running a VPN on your local network).

 

Cable will still be more secure 

 

That's a bit like saying something is more dead! If a rotating 128bit key is used, which changes several times a day, using a secure encryption protocol then cracking the encryption is not an issue. The problem with existing LANs is that WEP is a poor design. As of October 25th, WEP is made redundant by operating system encryption. 

 

>  If the Marantz RC-5200 (?) has sufficient range, then IR distribution is taken care of. 

 

A good option for a one room setup, but not really a replacement for a hard-wired multi zone IR system.  

 

And the Marantz has multi-zone RF. I cannot think of anything that a hard wired system would offer. 

 

 > I already have curtain control through X10. 

 

Which requires cables!  :-)  

 

All of 6 inches long between the mains plug and the transformer and universal module. 

 

>  I realise that in order to do it today you need CAT5, but I don't think it will be necessary in a couple of  

> years.

 

Yep...this may be the case for SOME things (like LAN points).  But like I said, hardwired will always be cheaper/more-reliable etc etc.

 

Cheaper when installing at build time, but not nearly as flexible or as easily retro-fittable. I only have a small house, but it would cost me thousands of pounds to cable it to the same level as your place.

 

The point I'm making is that in the next couple of years, wireless technologies will make CAT5 redundant for all but the most die-hard of home-automators.

 

Tim.

 

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