How does NSP enable path simulation?

Path simulation for NSP

NSP's path simulation function provides the ability to simulate changes in the IP topology that was discovered by using NSP's path control function.

This function is run in a separate VM and imports the IP topology and LSPs from NSP path control. The specific simulation functions supported are:

1. Modifying link attributes

2. Modifying the status links

3. Creating or deleting LSPs

4. Modifying the profile of imported LSPs

5. Optimizing LSPs via the GCO algorithm

For each change, the Simulate button is activated to determine the visual impact of that change.

The general functionality supported in addition to the above functionality are:

1. Import IP/TE topology only

2. Import LSPs

3. Import profiles

4. Import SR policies

5. Delete an imported topology

Note: SR policies that are operationally down cannot be imported into path simulation.

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