An engineer must design a multicast network for a financial application. Most of the multicast sources also receive multicast traffic (many-to-many deployment model). To better scale routing tables, the design must not use source trees. Which multicast protocol satisfies these requirements?
A. PIM-SSM
B. PIM-SM
C. MSDP
D. BIDIR-PIM
Must be answer D
Bi-directional PIM, communication into both directions via RP only with shared trees, no source trees used.
Kakat´s reference is a good point to get this clarified.
Answer D -> BIDIR-PIM is correct.
Must be answer B
Bi-directional PIM, communication into both directions via RP only with shared trees, no source trees used.
Kakat´s reference is a good point to get this clarified.
Sorry, had a typo with B, I meant D as described in the reply.
Correct answer is D. BIDIR-PIM
https://www.cisco.com/c/en/us/td/docs/ios/solutions_docs/ip_multicast/White_papers/mcst_ovr.html#wp1014784