Bi-Level Active Networks

Bi-Level Usage Example

1.Active Flow through AS-A and AS-B

2.AS-A determines that flow is subject ‘active’ service

3.AS-A triggers AR to send constrained flood

•Determine new paths with different metrics

•Constrain advertisement to shaded region using ‘active’ routing protocol

Note: Example represents

gradual active service

- Area of constrained

flooding

- Active Server

- Normal Router

- Active Router

- ‘Active’ Flow