RFC 5331: MPLS Upstream Label Assignment and Context-Specific Label Space

RFC 3031 limits the MPLS architecture to downstream-assigned MPLS labels. This document introduces the notion of upstream-assigned MPLS labels. It describes…

Read RFC 5331 on the RFC Editor

Outgoing relationships (4 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 3031: Multiprotocol Label Switching Architecture
Normative reference — RFC 5332: MPLS Multicast Encapsulations
Informative reference — RFC 3032: MPLS Label Stack Encoding

Incoming relationships (27 related RFCs)

Updated by, Normatively referenced by — RFC 7274: Allocating and Retiring Special-Purpose MPLS Labels
Normatively referenced by — RFC 6513: Multicast in MPLS/BGP IP VPNs
Normatively referenced by — RFC 6388: Label Distribution Protocol Extensions for Point-to-Multipoint and Multipoint-to-Multipoint Label Switched Paths
Normatively referenced by — RFC 5332: MPLS Multicast Encapsulations
Normatively referenced by — RFC 5960: MPLS Transport Profile Data Plane Architecture
Normatively referenced by — RFC 7117: Multicast in Virtual Private LAN Service (VPLS)
Normatively referenced by — RFC 8296: Encapsulation for Bit Index Explicit Replication (BIER) in MPLS and Non-MPLS Networks
Normatively referenced by — RFC 6389: MPLS Upstream Label Assignment for LDP
Normatively referenced by — RFC 7524: Inter-Area Point-to-Multipoint (P2MP) Segmented Label Switched Paths (LSPs)
Normatively referenced by — RFC 9613: Requirements for Solutions that Support MPLS Network Actions (MNAs)
Normatively referenced by — RFC 8104: Pseudowire (PW) Endpoint Fast Failure Protection
Normatively referenced by — RFC 7060: Using LDP Multipoint Extensions on Targeted LDP Sessions
Normatively referenced by — RFC 7140: LDP Extensions for Hub and Spoke Multipoint Label Switched Path
Informatively referenced by — RFC 6514: BGP Encodings and Procedures for Multicast in MPLS/BGP IP VPNs
Informatively referenced by — RFC 8029: Detecting Multiprotocol Label Switched (MPLS) Data-Plane Failures
Informatively referenced by — RFC 8660: Segment Routing with the MPLS Data Plane
Informatively referenced by — RFC 5921: A Framework for MPLS in Transport Networks
Informatively referenced by — RFC 6424: Mechanism for Performing Label Switched Path Ping (LSP Ping) over MPLS Tunnels
Informatively referenced by — RFC 7812: An Architecture for IP/LDP Fast Reroute Using Maximally Redundant Trees (MRT-FRR)
Informatively referenced by — RFC 9522: Overview and Principles of Internet Traffic Engineering
Informatively referenced by — RFC 9573: MVPN/EVPN Tunnel Aggregation with Common Labels
Informatively referenced by — RFC 7338: Requirements and Framework for Point-to-Multipoint Pseudowires over MPLS Packet Switched Networks
Informatively referenced by — RFC 7582: Multicast Virtual Private Network (MVPN): Using Bidirectional P-Tunnels
Informatively referenced by — RFC 8372: MPLS Flow Identification Considerations
Informatively referenced by — RFC 6517: Mandatory Features in a Layer 3 Multicast BGP/MPLS VPN Solution
Informatively referenced by — RFC 6974: Applicability of MPLS Transport Profile for Ring Topologies
Informatively referenced by — RFC 10018: Multicast and Ethernet VPN with Segment Routing Point-to-Multipoint (P2MP) and Ingress Replication