RFC 6790

The Use of Entropy Labels in MPLS Forwarding, November 2012

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RFC 3031, RFC 3107, RFC 3209, RFC 5036
Updated by:
RFC 7274, RFC 7447, RFC 8012
K. Kompella
J. Drake
S. Amante
W. Henderickx
L. Yong
mpls (rtg)

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DOI:  https://doi.org/10.17487/RFC6790

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Load balancing is a powerful tool for engineering traffic across a network. This memo suggests ways of improving load balancing across MPLS networks using the concept of "entropy labels". It defines the concept, describes why entropy labels are useful, enumerates properties of entropy labels that allow maximal benefit, and shows how they can be signaled and used for various applications. This document updates RFCs 3031, 3107, 3209, and 5036. [STANDARDS-TRACK]

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.

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