Applicability of Interfaces to Network Security Functions to Network-Based Security Services
draft-ietf-i2nsf-applicability-04

Document Type Active Internet-Draft (i2nsf WG)
Last updated 2018-07-17
Replaces draft-jeong-i2nsf-applicability
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I2NSF Working Group                                             J. Jeong
Internet-Draft                                   Sungkyunkwan University
Intended status: Informational                                   S. Hyun
Expires: January 18, 2019                              Chosun University
                                                                  T. Ahn
                                                           Korea Telecom
                                                                S. Hares
                                                                  Huawei
                                                                D. Lopez
                                                          Telefonica I+D
                                                           July 17, 2018

 Applicability of Interfaces to Network Security Functions to Network-
                        Based Security Services
                   draft-ietf-i2nsf-applicability-04

Abstract

   This document describes the applicability of Interface to Network
   Security Functions (I2NSF) to network-based security services in
   Network Functions Virtualization (NFV) environments, such as
   firewall, deep packet inspection, or attack mitigation engines.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on January 18, 2019.

Copyright Notice

   Copyright (c) 2018 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents

Jeong, et al.           Expires January 18, 2019                [Page 1]
Internet-Draft             I2NSF Applicability                 July 2018

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  I2NSF Framework . . . . . . . . . . . . . . . . . . . . . . .   4
     3.1.  Time-dependent Web Access Control Service . . . . . . . .   5
   4.  I2NSF Framework with SFC  . . . . . . . . . . . . . . . . . .   7
   5.  I2NSF Framework with SDN  . . . . . . . . . . . . . . . . . .   9
     5.1.  Firewall: Centralized Firewall System . . . . . . . . . .  11
     5.2.  Deep Packet Inspection: Centralized VoIP/VoLTE Security
           System  . . . . . . . . . . . . . . . . . . . . . . . . .  12
     5.3.  Attack Mitigation: Centralized DDoS-attack Mitigation
           System  . . . . . . . . . . . . . . . . . . . . . . . . .  14
   6.  I2NSF Framework with NFV  . . . . . . . . . . . . . . . . . .  16
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  19
   8.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  19
   9.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  19
   10. Informative References  . . . . . . . . . . . . . . . . . . .  20
   Appendix A.  Changes from draft-ietf-i2nsf-applicability-03 . . .  23
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  23

1.  Introduction

   Interface to Network Security Functions (I2NSF) defined a framework
   and interfaces for interacting with Network Security Functions
   (NSFs).  The I2NSF framework allows heterogeneous NSFs developed by
   different security solution vendors to be used in the NFV environment
   by utilizing the capabilities of such products and the virtualization
   of security functions in the NFV platform.  In the I2NSF framework,
   each NSF initially registers the profile of its own capabilities into
   the system in order for themselves to be available in the system.  In
   addition, the Security Controller registers itself to the I2NSF user
   so that the user can request security services to the Security
   Controller.

   This document describes the applicability of I2NSF framework to
   network-based security services with a use case of time-dependent web
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