[Nml-wg] Path vs Link
Jeroen van der Ham
vdham at uva.nl
Sat Dec 4 06:06:34 CST 2010
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.
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