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Generic UDP Encapsulation

The information below is for an old version of the document.
Document Type
This is an older version of an Internet-Draft whose latest revision state is "Expired".
Expired & archived
Authors Tom Herbert , Lucy Yong , Osama Zia
Last updated 2018-07-16 (Latest revision 2017-12-30)
Replaces draft-ietf-nvo3-gue
RFC stream Internet Engineering Task Force (IETF)
Additional resources Mailing list discussion
Stream WG state WG Document
Document shepherd Fred Templin
IESG IESG state Expired
Consensus boilerplate Unknown
Telechat date (None)
Responsible AD (None)
Send notices to Fred Templin <>

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


This specification describes Generic UDP Encapsulation (GUE), which is a scheme for using UDP to encapsulate packets of different IP protocols for transport across layer 3 networks. By encapsulating packets in UDP, specialized capabilities in networking hardware for efficient handling of UDP packets can be leveraged. GUE specifies basic encapsulation methods upon which higher level constructs, such as tunnels and overlay networks for network virtualization, can be constructed. GUE is extensible by allowing optional data fields as part of the encapsulation, and is generic in that it can encapsulate packets of various IP protocols.


Tom Herbert
Lucy Yong
Osama Zia

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)