Re: [Hist Trivia] IP Protocol Layers

[Henning Schulzrinne]

Also seems to be a good electric fence - you can cross layers, but very
carefully.

Randy Bush wrote:
> 
> > I.e., layering is, IMO at least, a model. Fine for describing things, but
> > not necessarily a good blueprint for an implementation.
> 
> compilation systems can be constructed which will procuce efficient inlined
> code for nicely modularized (layered) source.  just not for programs which
> use type-free pointers and similar analysis-defeating features.
> 
> randy