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Cooperating Layered Architecture for SDN

Document Type Expired Internet-Draft (sdnrg RG)
Authors Luis M. Contreras , Carlos J. Bernardos , Diego Lopez , Mohamed Boucadair , Paola Iovanna
Last updated 2017-05-04 (Latest revision 2016-10-31)
Replaces draft-contreras-sdnrg-layered-sdn
Stream Internet Research Task Force (IRTF)
Intended RFC status (None)
Expired & archived
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IESG IESG state Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at:


Software Defined Networking proposes the separation of the control plane from the data plane in the network nodes and its logical centralization on a control entity. Most of the network intelligence is moved to this functional entity. Typically, such entity is seen as a compendium of interacting control functions in a vertical, tight integrated fashion. The relocation of the control functions from a number of distributed network nodes to a logical central entity conceptually places together a number of control capabilities with different purposes. As a consequence, the existing solutions do not provide a clear separation between transport control and services that relies upon transport capabilities. This document describes a proposal named Cooperating Layered Architecture for SDN. The idea behind that is to differentiate the control functions associated to transport from those related to services, in such a way that they can be provided and maintained independently, and can follow their own evolution path.


Luis M. Contreras
Carlos J. Bernardos
Diego Lopez
Mohamed Boucadair
Paola Iovanna

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