Selective multicast ethernet tag extension for optimal source driven multicast forwarding

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United States of America Patent

PATENT NO 11811546
SERIAL NO

17472774

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Abstract

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A networking environment includes a first node and a second node configured as Ethernet Virtual Private Networking (EVPN) peers on an EVPN subnet that is coupled to a Layer 3 VPN over a core network. The first node receives a first multicast join request from a third node in the core network, the first multicast join request including a source address and multicast group address of a source of a multicast stream. The first node determines that the source address and the multicast group address for the source are behind the EVPN subnet at the second node. The first node sends to the second node, a control plane join request message that includes a receiver identifier that identifies the third node as a receiver of the multicast stream, the receiver identifier enabling the second node to forward the multicast stream directly into the core network to the third node.

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Patent Owner(s)

  • CISCO TECHNOLOGY, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ananthamurthy, Krishnaswamy Muddenahally San Ramon, US 2 2
Mishra, Mankamana Prasad San Jose, US 46 59
Sajassi, Ali San Ramon, US 131 3181
Subramanian, Jayashree Cary, US 12 131
Wijnands, Ijsbrand Leuven, BE 161 3939

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