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UpdatedPROPOSED STANDARDIETF stream

RFC 5640: Load-Balancing for Mesh Softwires

Still current, but amended. Parts of this document are changed or extended by RFC 9012. Read both.

In plain English — editorial summary, not part of the RFC

Payloads transported over a Softwire mesh service (as defined by BGP Encapsulation Subsequent Address Family Identifier (SAFI) information exchange) often carry a number of identifiable, distinct flows. It can, in some circumstances, be desirable to distribute these flows over the equal cost multiple paths (ECMPs) that exist in the packet switched network. Currently, the payload of a packet entering the Softwire can only be interpreted by the ingress and egress routers. Thus, the load-balancing decision of a core router is only based on the encapsulating header, presenting much less entropy than available in the payload or the encapsulated header since the Softwire encapsulation acts in a tunneling fashion. This document describes a method for achieving comparable load-balancing efficiency in a network carrying Softwire mesh service over Layer Two Tunneling Protocol - Version 3 (L2TPv3) over IP or Generic Routing Encapsulation (GRE) encapsulation to what would be achieved without such encapsulation. [STANDARDS-TRACK]

Document record

Document ID
RFC5640
Published
August 2009
Authors
C. Filsfils; P. Mohapatra; C. Pignataro
Status
PROPOSED STANDARD
Stream
IETF
Area
int
Pages
6
Also known as
—
Updated by:
RFC 9012

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The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

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canonical URL: /rfc/5640-load-balancing-for-mesh-softwires