4A0-108 – Alcatel-Lucent Multicast Protocols

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  Multicast CAC allows a service provider to guarantee the availability of mandatory IPTV channels
  

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  The aim of multicast CAC is to maintain the quality of existing IPTV channels by rejecting new channel joins when required
  

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  Multicast CAC measures the current bandwidth utilization on the physical links and then decides whether to accept a new channel or not
  

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  Multicast CAC policy can be applied to VPLS SAP and SDP with IGMP-snooping
  

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  It supports the use of P2MP LSPs as PMSI tunnels.

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  It supports both PIM ASM and PIM SSM in a customer network.

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  There are three new types of BGP A-D routes defined for distributing customer multicast group information.

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  Two new extended communities are applied to all multicast routes in the VPRN for UMH selection.
  

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  Traffic for the 33rd multicast flow is droppeD.

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  Traffic for the 33rd multicast flow is transmitted on the I-PMSI.

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  The source PE reassigns the S-PMSI with the smallest flow to the new multicast flow. Traffic for the smaller flow is transmitted on the I-PMSI.

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  The source PE re-uses an S-PMSI that is currently in use for the 33rd flow. Traffic for both flows is sent on the same S-PMSI.