On Wed, May 26, 2010 at 18:26, Ben Scott <[email protected]> wrote: > On Wed, May 26, 2010 at 7:15 PM, Kurt Buff <[email protected]> wrote: >> The OSI model *is* irrelevant, because it's incorrect. Teh interwebs >> (and everything else) don't conform to it. > > What does that make it incorrect? Or irrelevant? > > Computers don't really do anything but addition and conditional > jump, but it's convenient to abstract them into things like relational > databases and high-level languages. > > Could a model be developed that more closely aligns with TCP/IP? > Sure. But it would likely be less useful for looking at other things, > then. > > OSI was a failure as an actual network stack, but it makes a fair > teaching tool. Kind of like the frictionless surfaces and point > masses and spherical cows they use in Physics 101. They're completely > impractical when they're not actually impossible, but they're > convenient when thinking about a problem.
The 4-layer TCP/IP model makes a better model, because it's closer to what's actually used. Kurt ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
