Security Considerations in the IP-based Internet of Things
draft-irtf-t2trg-iot-seccons-00

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Last updated 2016-10-09
Replaces draft-garcia-core-security
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Network Working Group                                  O. Garcia-Morchon
Internet-Draft                                                  S. Kumar
Intended status: Informational                          Philips Research
Expires: April 12, 2017                                         M. Sethi
                                                                Ericsson
                                                                
                                                                 
                                                        October 09, 2016

       Security Considerations in the IP-based Internet of Things
                      draft-irtf-t2trg-iot-seccons-00

Abstract

   A direct interpretation of the Internet of Things concept refers to
   the usage of standard Internet protocols to allow for human-to-thing
   or thing-to-thing communication.  Although the security needs are
   well-recognized, it is still not fully clear how existing IP-based
   security protocols can be applied to this new setting.  This
   Internet-Draft first provides an overview of security architecture,
   its deployment model and general security needs in the context of the
   lifecycle of a thing.  Then, it presents challenges and requirements
   for the successful roll-out of new applications and usage of standard
   IP-based security protocols when applied to get a functional Internet
   of Things.

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
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on April 12, 2017.

Garcia-Morchon, et al.   Expires April 12, 2017                 [Page 1]
Internet-Draft     Security Considerations for the IoT      October 2016

Copyright Notice

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   document authors.  All rights reserved.

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   described in the Simplified BSD License.

Table of Contents

   1.  Conventions and Terminology Used in this Document . . . . . .   3
   2.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  The Thing Lifecycle and Architectural Considerations  . . . .   4
     3.1.  Threat Analysis . . . . . . . . . . . . . . . . . . . . .   5
     3.2.  Security Aspects  . . . . . . . . . . . . . . . . . . . .   9
   4.  State of the Art  . . . . . . . . . . . . . . . . . . . . . .  12
     4.1.  IP-based Security Solutions . . . . . . . . . . . . . . .  12
   5.  Security Levels for the IP-based Internet of Things . . . . .  14
     5.1.  Security Architecture . . . . . . . . . . . . . . . . . .  18
     5.2.  Security Model  . . . . . . . . . . . . . . . . . . . . .  19
     5.3.  Security Bootstrapping and Management . . . . . . . . . .  20
     5.4.  Network Security  . . . . . . . . . . . . . . . . . . . .  22
     5.5.  Application Security  . . . . . . . . . . . . . . . . . .  23
   6.  Challenges and Security Considerations for a Secure Internet
       of Things . . . . . . . . . . . . . . . . . . . . . . . . . .  25
     6.1.  Constraints and Heterogeneous Communication . . . . . . .  25
       6.1.1.  Tight Resource Constraints  . . . . . . . . . . . . .  25
       6.1.2.  Denial-of-Service Resistance  . . . . . . . . . . . .  26
       6.1.3.  Protocol Translation and End-to-End Security  . . . .  27
     6.2.  Bootstrapping of a Security Domain  . . . . . . . . . . .  28
     6.3.  Operation . . . . . . . . . . . . . . . . . . . . . . . .  28
       6.3.1.  End-to-End Security . . . . . . . . . . . . . . . . .  29
       6.3.2.  Group Membership and Security . . . . . . . . . . . .  29
       6.3.3.  Mobility and IP Network Dynamics  . . . . . . . . . .  30
     6.4.  Software update . . . . . . . . . . . . . . . . . . . . .  30
     6.5.  Verifying device behavior . . . . . . . . . . . . . . . .  31
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