6.12. STUDY QUESTIONS

  1. Describe some of the advantages of RSVP P2MP traffic engineering compared to IP Multicast.

  2. Describe the topology options for P2MP trees.

  3. Compare and contrast the merits of LDP and RSVP for the signaling of unicast LSPs. Then compare and contrast the merits of LDP and RSVP for the signaling of P2MP LSPs.

  4. Imagine a situation where a router, X, is both a transit node and an egress node for the same P2MP LSP. What issue might arise if penultimate hop popping is used on the P2MP LSP?

  5. Apart from the situation described in Question 4, describe some other situations in which PHP should not be used with P2MP LSPs.

  6. Describe one difference in the way in which a FEC is advertised by LDP in the unicast case compared to the multicast case.

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