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US Patent 11689427 Segment routing over label distribution protocol

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 US Patent 11689427 Segment routing over label distribution protocol

Article

An apparatus and method is disclosed for segment routing (SR) over label distribution protocol (LDP). In one embodiment, the method includes a node receiving a packet with an attached segment ID. In response, the node may attach a label to the packet. Thereafter, the node may forward the packet with the attached label and segment ID to another node via a label switched path (LSP).

Infobox
Is a
Patent
Patent
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
116894270
Date of Patent
June 27, 2023
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Patent Application Number
176731820
Date Filed
February 16, 2022
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Patent Citations
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US Patent 7088721 Method and apparatus for multipoint-to-point transmission in an ATM network
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US Patent 7174387 Methods and apparatus for requesting link state information
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US Patent 7180887 Routing and forwarding table management for network processor architectures
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US Patent 7260097 Label control method and apparatus for virtual private LAN segment networks
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US Patent 7330440 Method and apparatus for constructing a transition route in a data communications network
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US Patent 7359377 Graceful restart for use in nodes employing label switched path signaling protocols
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US Patent 7463639 Edge devices for providing a transparent LAN segment service and configuring such edge devices
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US Patent 7466661 Method and apparatus for establishing adjacency for a restarting router during convergence
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US Patent 7471669 Routing of protocol data units within a communication network
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US Patent 7568047 Method and apparatus for adaptive service label management
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US Patent 7577143 Decoupling functionality related to providing a transparent local area network segment service
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US Patent 7602778 System and methods for compressing message headers
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US Patent 7610330 Multi-dimensional computation distribution in a packet processing device having multiple processing architecture
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US Patent 7773630 High performance memory based communications interface
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US Patent 7817667 Method, apparatus and computer program to dynamically adjust segmentation at a protocol layer, such as at the medium access control (MAC) layer
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US Patent 7885259 Deterministic multiprotocol label switching (MPLS) labels
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US Patent 7885294 Signaling compression information using routing protocols
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US Patent 7894352 Detecting data plane liveliness of a label-switched path
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US Patent 7903554 Leaking component link traffic engineering information
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US Patent 7940695 Failure detection for tunneled label-switched paths
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US Patent 7970929 Apparatus, system, and method for routing data to and from a host that is moved from one location on a communication system to another location on the communication system
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US Patent 8064441 Upstream label allocation on Ethernets for MP2MP LSPS
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US Patent 8121126 Layer two (L2) network access node having data plane MPLS
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US Patent 8339973 Multicast traceroute over MPLS/BGP IP multicast VPN
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US Patent 8422514 Dynamic configuration of cross-domain pseudowires
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US Patent 8542706 Method and apparatus related to packet fragmentation and reconstruction
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US Patent 8611335 System and method for assigning paths for data flows through a wide-area network
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US Patent 8619817 Message address manipulation using source port codes
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US Patent 8711883 Multiple carrier compression scheme
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US Patent 8792384 System and method for intelligently maintaining connectivity in a network environment
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US Patent 8848728 Dynamic load balancing switch architecture
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US Patent 8953590 Layer two virtual private network having control plane address learning supporting multi-homed customer networks
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US Patent 9036474 Communication available transport network bandwidth to L2 ethernet nodes
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US Patent 9049233 MPLS segment-routing
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US Patent 9118572 Redundancy for inter-AS L2VPN service with optimal forwarding
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US Patent 9319312 Segment routing mapping server for LDP/SR interoperability
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US Patent 9571349 Segment routing: PCE driven dynamic setup of forwarding adjacencies and explicit path
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US Patent 9749227 MPLS segment-routing
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US Patent 9794148 Node protection for stacked labels
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US Patent 10805204 Routing methods, systems, and computer program products
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US Patent 10880203 Centralized segment routing dataplane based backup path validation
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Patent Primary Examiner
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I Jung Liu
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CPC Code
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H04L 12/5601
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H04L 2012/5669
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H04L 2012/5667
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H04L 2012/563
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H04L 12/2869
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H04W 72/04
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H04L 5/0057
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H04L 5/0055
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H04L 5/0035
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H04L 49/602
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H04L 49/309
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H04L 47/00
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H04L 47/70
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H04L 47/827
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H04L 47/821
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H04L 47/78
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H04L 45/00
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H04L 45/505
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