[Nml-wg] Path vs Link

[Jeroen van der Ham]

On 3 dec. 2010, at 16:06, Roman Łapacz <romradz at man.poznan.pl> wrote:

> 
> Hi,
> 
> apologize if you already discussed it or it's a silly question. I'm 
> analysing the UML diagram  in nml-base pdf doc and comparing Link and 
> Path elements. If I'm not wrong it was said that the set of existing 
> elements should be minimal as much as possible (reusable elements). 
> Following this general rule I'm thinking that Link could be used instead 
> of Path. Now I'm thinking about the case of circuit. Example: there may 
> be 3 domains so we have 3 types of view: high (a path/circuit), medium 
> (a link representing aggregated connection in a domain), low (links 
> inside a domain). Can path be just a link with end nodes representing 
> ends of circuits?

The difference between the two is that a Link is a combination of two uni-directional Links, and a Path is an ordered set of Network Elements.
> 
So a Path defines a complete circuit, while a Link is a single bi-directional hop.

Jeroen.