[Nml-wg] Topology Model and Pathfinding

John Vollbrecht jrv at internet2.edu
Wed Feb 10 16:32:51 CST 2010


On Feb 10, 2010, at 4:50 PM, Jeroen van der Ham wrote:

> On 10/02/2010 12:41, John Vollbrecht wrote:
>> I added to your pics and included below. Your bottom picture is  
>> correct
>> (second in the revised doc). The top picture has a link outside a
>> network which doesn't fit my model, but I think is the way you think
>> about it. I add a third pic to show that a network might terminate at
>> the end of a link.
>
> The top picture is meant to represent the physical topology. And  
> would indeed be very similar to the way that the NML describes it.
>
> So your third picture basically means that Owner B is equal to Owner  
> C?
>
> We have not defined this yet, but I imagine that in NML you can  
> relate an owner to any object, including a Port and a Link. How  
> exactly does that not fit your use-case?
>

So take your second picture, with the link described as a network.   I  
don't know how to describe the interface between the middle network  
and the end networks.  There is no link between them, so how do I know  
they are connected?    How do I describe this in a topology?


> Jeroen.



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