An engineer is working for a large cable TV provider that requires multiple sources streaming video on different channels using multicast with no rendezvous point. Which multicast protocol meets these requirements?
B - PIM-SSM is suitable for when well-known sources exist within the local PIM domain and for broadcast applications. Also, PIM-SSM eliminates the RPs and shared trees - then it could be correct.
PIM-SSM utilizes the source tree and not the shared tree so there is no need for an RP.
BIR-PIM uses shared tree only (RP Required)
PIM-SM use both Source and Shared Tree (RP Required)
In addition - please, note, the RP is required for BIDIR PIM - refer to:
In bidirectional mode, traffic is routed only along a bidirectional shared tree that is rooted at the rendezvous point (RP) for the group
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9600/software/release/16-12/configuration_guide/ip_mcast_rtng/b_1612_ip_mcast_rtng_9600_cg/configuring_pim.html#id_111801
sorry my friend you are wrong the ans is SSM no RP
upvoted 4 times
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