US Patent Application 18341554. Bit Index Explicit Replication Traffic Engineering For Broadcast Link simplified abstract

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Bit Index Explicit Replication Traffic Engineering For Broadcast Link

Organization Name

HUAWEI TECHNOLOGIES CO., LTD.


Inventor(s)

Huaimo Chen of Bolton MA (US)


Bit Index Explicit Replication Traffic Engineering For Broadcast Link - A simplified explanation of the abstract

  • This abstract for appeared for US patent application number 18341554 Titled 'Bit Index Explicit Replication Traffic Engineering For Broadcast Link'

Simplified Explanation

The abstract describes a method used by a network node in a specific network domain to prevent duplicate packets. This method involves creating a forwarding table that includes entries for different connections within the network. The network node then sends a packet with a specific path to a pseudo node, which is a virtual representation of a node. The pseudo node then forwards the packet to its next hop nodes based on another forwarding table. This process helps ensure that packets are not duplicated within the network.


Original Abstract Submitted

A method implemented by a network node in a Bit Index Explicit Replication Traffic/Tree Engineering (BIER-TE) domain is used to avoid duplicate packets. The method includes generating an improved bit index forwarding table (BIFT) containing a forwarding entry for a local area network (LAN)-connected adjacency from the network node to a pseudo node; and a secondary BIFT including a forwarding entry for a forward connected adjacency from the pseudo node to each of the pseudo node's next hop nodes except the network node; sending a packet containing a point to multipoint (P2MP) path with a bit position for the LAN-connected adjacency to the pseudo node according to the forwarding entry for the LAN-connected adjacency in the improved BIFT; and sending the packet to each of the pseudo node's next hop nodes on the P2MP path based on the secondary BIFT.