IETF RFC 3031

E663647

IETF RFC 3031 is the foundational standards document that specifies the architecture and key mechanisms of Multiprotocol Label Switching (MPLS) in IP networks.

All labels observed (2)

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Statements (51)

Predicate Object
instanceOf IETF Request for Comments
Internet standard
appliesTo IP networks
multiprotocol networks
area Routing Area
category Standards Track
defines Forwarding Equivalence Class
Label Edge Router
Label Switched Path
linked to: MPLS

Label Switching Router
MPLS forwarding model
MPLS label
MPLS label stack
MPLS shim header usage
Multiprotocol Label Switching architecture
linked to: MPLS

conservative label retention
downstream unsolicited label distribution
downstream-on-demand label distribution
independent control
label distribution control modes
label merging
label swapping
liberal label retention
ordered control
penultimate hop popping
foundationFor MPLS VPNs
linked to: MPLS

MPLS traffic engineering
MPLS-based QoS mechanisms
language English
obsoletedBy IETF RFC 3031bis (work in progress, not yet an RFC as of 2024)
linked to: IETF RFC 3031
publishedBy IETF
Internet Engineering Task Force
relatedTo IETF RFC 3032
linked to: RFC 3492

IETF RFC 3036
IETF RFC 3209
specifies MPLS data plane behavior
MPLS forwarding between Label Switching Routers
constraints on label distribution protocols
encapsulation of MPLS labels with network layer packets
interaction of MPLS with conventional IP routing
requirements for MPLS-capable routers
support for multiple network layer protocols over MPLS
use of label stacks for hierarchical routing
standardizes core MPLS architectural concepts
status Proposed Standard
stream IETF
subject Multiprotocol Label Switching
linked to: MPLS

packet switching
routing architecture
title Multiprotocol Label Switching Architecture
linked to: MPLS
workingGroup Multiprotocol Label Switching (MPLS) Working Group
linked to: MPLS

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Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

MPLS definedIn IETF RFC 3031
IETF RFC 3031 obsoletedBy IETF RFC 3031bis (work in progress, not yet an RFC as of 2024)
linked to: IETF RFC 3031