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RFC 9638
Title: Network Virtualization over Layer 3 (NVO3)
Encapsulation Considerations
Author: S. Boutros,
D. Eastlake 3rd, Ed.
Status: Informational
Stream: IETF
Date: September 2024
Mailbox: sbout...@ciena.com,
d3e...@gmail.com
Pages: 22
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-nvo3-encap-12.txt
URL: https://www.rfc-editor.org/info/rfc9638
DOI: 10.17487/RFC9638
The IETF Network Virtualization Overlays (NVO3) Working Group
developed considerations for a common encapsulation that addresses
various network virtualization overlay technical concerns. This
document provides a record, for the benefit of the IETF community, of
the considerations arrived at by the NVO3 Working Group starting from
the output of the NVO3 encapsulation Design Team. These
considerations may be helpful with future deliberations by working
groups over the choice of encapsulation formats.
There are implications of having different encapsulations in real
environments consisting of both software and hardware implementations
and within and spanning multiple data centers. For example,
Operations, Administration, and Maintenance (OAM) functions such as
path MTU discovery become challenging with multiple encapsulations
along the data path.
Based on these considerations, the NVO3 Working Group determined that
Generic Network Virtualization Encapsulation (Geneve) with a few
modifications is the common encapsulation. This document provides
more details, particularly in Section 7.
This document is a product of the Network Virtualization Overlays Working Group
of the IETF.
INFORMATIONAL: This memo provides information for the Internet community.
It does not specify an Internet standard of any kind. Distribution of
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