On Sat, May 29, 2010 at 18:22, Ken Schaefer <[email protected]> wrote: > Normalisation is used for data integrity not efficiency.
Excuse me - yes, you are correct, especially levels beyond first normal form. But, my point stands. It's actually used. > And whilst there aren't many practical implementations of OSI, the concept of > a layered approach to networking (physical link, node addressing, routing, > session control) is very useful in design and diagnosing problems. The 4-layer TCP/IP model has layers too, and is a more accurate representation of how things work - in general. Neither is perfect, of course. But there are drawbacks to a layered approach as well. RFC 3439, section 3, (http://www.ietf.org/rfc/rfc3439.txt) discusses some of those drawbacks. Kurt ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
