[Nsi-wg] Topology Use-Case

[Jeroen van der Ham]

Hello,

One of my action points for the NSI meeting was to draft a use-case for topology descriptions. The goal is to have both proposals describe in detail the approach for topology description and how that would support pathfinding.

My proposal is that both approaches outline the following:
- Define a topology description for the Automated GOLE topology as was used during SC11 (10 networks, 4 VLANs, and their interconnections), diagram attached.
- Describe how a pathfinding algorithm would consume the above-mentioned topologies, and then find path candidates from UvA to KRLight, and finally how to select one of the listed candidates in the following three scenarios:
	1) none of the networks have VLAN retagging,
	2) Only Netherlight supports VLAN retagging,
	3) All network support VLAN retagging.
- A *short* analysis of how complex this solution is for the topology.
- A *short* analysis of how the solution would extend to multi-layer descriptions.

The goal of these proposals is to inform the NSI group on the proposals, their complexity, and their future-proofness. I propose that we have a 3 page limit on the descriptions in order not to burden the rest of the group too much.


Suggestions?

Jeroen.



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