UDP Transport for Network Service Header

Document Type Expired Internet-Draft (individual)
Last updated 2017-08-26 (latest revision 2017-02-22)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This draft describes the transport encapsulation to carry Network Service Header (NSH) over UDP transport protocol. This enables applications and services using NSH to communicate over a simple layer-3 network without topological constraints. It brings down the barrier to deploy NSH by not requiring additional overhead as is typical of overlay encapsulation mechanisms designed on top of UDP. As a first benefit, this method eases the deployment of Service Function Chaining (SFC) by allowing SFC components to utilize the basic UDP/IP stack available in virtually all network elements and end systems to setup the virtual network and realize Service Function Chains (SFCs).


Surendra Kumar (smkumar@cisco.com)
Larry Kreeger (kreeger@cisco.com)
Sumandra Majee (s.majee@f5.com)
Walter Haeffner (walter.haeffner@vodafone.com)
Rajeev Manur (rmanur@broadcom.com)
David Melman (davidme@marvell.com)

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