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draft- ietf -magma- msnip -06

draft- ietf -magma- msnip -06. Multicast Source Notification of Interest Protocol ( MSNIP ). MSNIP overview. Application signals to stack that it is a potential source And wants to receive notification of (receiver) interest Host stack signals that it wants notifications to first hop router

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draft- ietf -magma- msnip -06

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  1. draft-ietf-magma-msnip-06 Multicast Source Notification of Interest Protocol (MSNIP)

  2. MSNIP overview • Application signals to stack that it is a potential source • And wants to receive notification of (receiver) interest • Host stack signals that it wants notifications to first hop router • First hop router sends notification when there are receivers • Host support needed • Application support best, but can work without • IGMP/MLD extensions • New IGMP messages • Host sends request to all igmp/mld routers address • Router unicasts notifications to the host

  3. SSM support • First hop router just learns source address from host • When FHR has interest for an (S,G), host is notified

  4. ASM support • Proposing extension to support ASM • Host signals (S,G) to FHR • If pim-sm FHR can send null-registers for (S,G) to eventually learn of (S,G) interest • This means native forwarding path available before the application starts sending • No need for pim-sm data registers? • If e.g. bidir, just pretend there is interest

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