Internet-Draft draft-ietf-rtgwg-multisegment-sdwan-02.txt is now available. It
is a work item of the Routing Area Working Group (RTGWG) WG of the IETF.
Title: Multi-segment SD-WAN via Cloud DCs
Authors: Kausik Majumdar
Linda Dunbar
Venkit Kasiviswanathan
Ashok Ramchandra
Aseem Choudhary
Name: draft-ietf-rtgwg-multisegment-sdwan-02.txt
Pages: 34
Dates: 2025-02-18
Abstract:
This document describes a method for SD-WAN Customer Premises
Equipment (CPEs) to use GENEVE encapsulation (RFC8926) to
transport IPsec-encrypted packets across a Cloud Backbone
without requiring decryption at Cloud Gateways (GWs). In this
approach, SD-WAN CPEs encapsulate IPsec-encrypted payloads
within GENEVE headers and forward them to their nearest Cloud
GWs. These Cloud GWs then steer the encrypted traffic through
the Cloud Backbone while preserving its confidentiality,
ensuring seamless transport to the destination Cloud GWs. The
egress Cloud GWs subsequently deliver the original IPsec-
encrypted payloads to the receiving CPEs. This mechanism
enables the Cloud Backbone to interconnect multiple SD-WAN
segments efficiently, eliminating the need for Cloud GWs to
decrypt and re-encrypt payloads, thus enhancing the
performance.
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-rtgwg-multisegment-sdwan/
There is also an HTMLized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-rtgwg-multisegment-sdwan-02
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-rtgwg-multisegment-sdwan-02
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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