Software-Defined Networking (SDN)-based IPsec Flow Protection
draft-abad-i2nsf-sdn-ipsec-flow-protection-01

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I2NSF                                                     R. Marin-Lopez
Internet-Draft                                           G. Lopez-Millan
Intended status: Experimental                       University of Murcia
Expires: May 3, 2017                                         S. Varadhan
                                                                  Oracle
                                                        October 30, 2016

     Software-Defined Networking (SDN)-based IPsec Flow Protection
             draft-abad-i2nsf-sdn-ipsec-flow-protection-01

Abstract

   This document describes the use case of providing IPsec-based flow
   protection by means of a Software-Defined Network (SDN) controller
   and raises the requirements to support this service.  It considers
   two main scenarios: (i) gateway-to-gateway and (ii) host-to-gateway
   (Road Warrior).  For the gateway-to-gateway scenario, this document
   describes a mechanism to support the distribution of IPsec
   information to flow-based Network Security Functions (NSFs) that
   implements IPsec to protect data traffic.  between network resources
   to protect data traffic with IPsec and IKE, in intra and inter-SDN
   cases.  The host-to-gateway case defines a mechanism to distribute
   IPsec information to the NSF to protect data with IPsec between an
   end user's device (host) and a gateway.

Status of This Memo

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Copyright Notice

   Copyright (c) 2016 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Marin-Lopez, et al.        Expires May 3, 2017                  [Page 1]
Internet-Draft     SDN IPsec Flow Protection Services       October 2016

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Requirements Language . . . . . . . . . . . . . . . . . . . .   4
   3.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   4
   4.  Objectives  . . . . . . . . . . . . . . . . . . . . . . . . .   5
   5.  Case 1: IKE/IPsec in the NSF  . . . . . . . . . . . . . . . .   5
     5.1.  Requirements  . . . . . . . . . . . . . . . . . . . . . .   6
   6.  Case 2: IPsec (no IKE) in the NSF . . . . . . . . . . . . . .   7
     6.1.  Requirements  . . . . . . . . . . . . . . . . . . . . . .   8
   7.  Abstract interface (NSF facing interface) . . . . . . . . . .   8
   8.  Data model  . . . . . . . . . . . . . . . . . . . . . . . . .  11
   9.  Scaling considerations  . . . . . . . . . . . . . . . . . . .  13
   10. Use cases examples  . . . . . . . . . . . . . . . . . . . . .  13
     10.1.  Gateway-to-gateway under the same controller . . . . . .  13
     10.2.  Gateway-to-gateway under different SDN controllers . . .  16
     10.3.  Host-to-gateway  . . . . . . . . . . . . . . . . . . . .  18
   11. Security Considerations . . . . . . . . . . . . . . . . . . .  20
   12. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  20
   13. References  . . . . . . . . . . . . . . . . . . . . . . . . .  20
     13.1.  Normative References . . . . . . . . . . . . . . . . . .  20
     13.2.  Informative References . . . . . . . . . . . . . . . . .  21
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  22

1.  Introduction

   Software-Defined Networking (SDN) is an architecture that enables
   users to directly program, orchestrate, control and manage network
   resources through software.  SDN paradigm relocates the control of
   network resources to a dedicated network element, namely SDN
   controller.  The SDN controller manages and configures the
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