8.14 Exercises

1. Investigate some commercial RTOSes and list their support for multi board systems

2. Suggest some information that can be provided in a heartbeat message from the line card to the control card.

3. Another model often described in the literature is M:N redundancy. Explain how the 1:N and 1:1 models fit within the M:N redundancy model.

4. Provide some other examples where a split control plane model will be useful. What are the drawbacks of this model?

5. Investigate the ForCES model, and draw a diagram showing the presence of multiple control and multiple forwarding elements and how they are partitioned.