cat5e vs cat6

I need a credible reference (website, article, etc...) where I can support my point on:
- The distance limitation for cat5e and cat6
- It's better to install cat6 than cat5e for new installation
- cat5e and cat6 both support up to 1000mbps
- cat6 is better than cat5e
mynetAsked:
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garignackCommented:
Not sure exactly waht information you are looking for, but try these:

http://en.wikipedia.org/wiki/Category_5_cable
"The maximum specified distance for Cat5 cable is 100m"

http://en.wikipedia.org/wiki/Category_6_cable
"The maximum allowed length of a Cat-6 cable is 100 meters (330 ft) when used for 10/100/1000baseT."

General Comparison and differences:
http://www.broadbandutopia.com/caandcaco.html

What is the general difference between category 5e and category 6?

The general difference between category 5e and category 6 is in the transmission performance, and extension of the available bandwidth from 100 MHz for category 5e to 200 MHz for category 6. This includes better insertion loss, near end crosstalk (NEXT), return loss, and equal level far end crosstalk (ELFEXT). These improvements provide a higher signal-to-noise ratio, allowing higher reliability for current applications and higher data rates for future applications."

When should I recommend or install category 6 vs. category 5e?

From a future proofing perspective, it is always better to install the best cabling available. This is because it is so difficult to replace cabling inside walls, in ducts under floors and other difficult places to access. The rationale is that cabling will last at least 10 years and will support at least four to five generations of equipment during that time. If future equipment running at much higher data rates requires better cabling, it will be very expensive to pull out category 5e cabling at a later time to install category 6 cabling. So why not do it for a premium of about 20 percent over category 5e on an installed basis

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nsx106052Commented:
Both articles listed below are pretty good.  I would just go with cat5e to save the extra money but if money isnt a problem go with cat6.

http://www.networkcablingdirectory.com/articles/structured-network-cabling-id_1151.htm
http://www.broadbandutopia.com/caandcaco.html
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