Review Questions
| 1. | Describe the modification to the simplistic SPF algorithm of Chapter 2 that allows ECMP. |
| 2. | Why is per-destination load balancing better than per-packet load balancing? |
| 3. | Why is per-flow load balancing better than per-destination load balancing? |
| 4. | What modification to the basic SPF algorithm is required, when there are equal costs involving both point-to-point links and broadcast links, to avoid disruption of ECMP? |
| 5. | What is Incremental SPF, and in what two general cases can it improve the efficiency of SPF in an area? |
| 6. | What is partial route calculation, and how does it improve the efficiency of SPF calculations? |
| 7. | How does SPF delay improve the efficiency of SPF calculations? |
| 8. | How can an excessive SPF delay reduce the performance ... |
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