18149514. Segment Routing MPLS Point To Multipoint Path simplified abstract (Huawei Technologies Co., Ltd.)

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Segment Routing MPLS Point To Multipoint Path

Organization Name

Huawei Technologies Co., Ltd.

Inventor(s)

Huaimo Chen of Bolton MA (US)

Donald Eggleston Eastlake, Iii of Apopka FL (US)

Segment Routing MPLS Point To Multipoint Path - A simplified explanation of the abstract

This abstract first appeared for US patent application 18149514 titled 'Segment Routing MPLS Point To Multipoint Path

Simplified Explanation

The abstract describes a mechanism implemented by a network node to handle packets in a specific format called Multiprotocol Label Switching (MPLS). The mechanism involves receiving a packet, adding a list of identifiers called multicast segment identifiers (SIDs) to the packet, and transmitting the packet along a specific path.

  • The mechanism is implemented by an ingress node in a network.
  • The packet format used is Multiprotocol Label Switching (MPLS).
  • The mechanism involves adding a first segment list to the packet.
  • The first segment list describes a segment routing point to multipoint (SR P2MP) path.
  • The segment list consists of multicast segment identifiers (SIDs), each having a multicast adjacency label.
  • The packet is transmitted from a downstream interface along the SR P2MP path.

Potential Applications

  • This mechanism can be used in networks that utilize Multiprotocol Label Switching (MPLS) for efficient packet forwarding.
  • It can be applied in scenarios where multicast communication is required, such as video streaming, IPTV, or real-time collaboration applications.
  • The mechanism can be used in network architectures that employ segment routing for path optimization and traffic engineering.

Problems Solved

  • The mechanism solves the problem of efficiently forwarding packets in a network using Multiprotocol Label Switching (MPLS) format.
  • It addresses the challenge of establishing and maintaining multicast paths in a network.
  • The mechanism provides a solution for implementing segment routing point to multipoint (SR P2MP) paths.

Benefits

  • By utilizing Multiprotocol Label Switching (MPLS), the mechanism enables faster and more efficient packet forwarding in a network.
  • The use of segment routing and multicast segment identifiers (SIDs) allows for optimized path selection and traffic engineering.
  • The mechanism simplifies the establishment and maintenance of multicast paths, improving network scalability and reliability.


Original Abstract Submitted

Disclosed is a mechanism implemented by an ingress node in a network. The mechanism comprises receiving a packet in Multiprotocol Label Switching (MPLS) format. A first segment list is pushed onto the packet. The first segment list describes a segment routing point to multipoint (SR P2MP) path as a list of multicast segment identifiers (SIDs) each comprising a multicast adjacency label. The packet is transmitted from a downstream interface along the SR P2MP path.

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