IPv6 DOTS Signal Option
draft-francois-dots-ipv6-signal-option-01

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Last updated 2016-10-31
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DOTS                                                         J. Francois
INTERNET-DRAFT                                                     Inria
Intended Status: Standard Track                               A. Lahmadi
Expires: May 4, 2017                      University of Lorraine - LORIA
                                                            Marco Davids
                                                               SIDN Labs
                                                     Giovane C. M. Moura
                                                               SIDN Labs
                                                        October 31, 2016

                       IPv6 DOTS Signal Option  
               draft-francois-dots-ipv6-signal-option-01

Abstract

   This document specifies an optional fall-back opportunistic method
   that employs the IPv6 Hop-by-Hop options extension header type. It
   allows a DOTS client to send a signaling message over a congested
   network due to a DDoS attack by ''tagging'' bypassing outgoing IPv6
   packets to reach a DOTS server or gateway. 

Status of this Memo

   This Internet-Draft is submitted to IETF in full conformance with the
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Copyright and License Notice

 

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INTERNET DRAFT          IPv6 DOTS Signal Option         October 31, 2016

   Copyright (c) 2016 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
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document. Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document. Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.2 Motivation . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.3  Terminology . . . . . . . . . . . . . . . . . . . . . . . .  4
   2. Opportunistic DOTS signal option  . . . . . . . . . . . . . . .  4
     2.1 Hop-by-Hop option encoding . . . . . . . . . . . . . . . . .  5
     2.2 DOTS signal Option attributes  . . . . . . . . . . . . . . .  6
     2.3 Example  . . . . . . . . . . . . . . . . . . . . . . . . . .  7
   3 Option Processing  . . . . . . . . . . . . . . . . . . . . . . .  8
     3.2 Opportunistic DOTS signal initialization by a DOTS client  .  8
     3.2 Processing by a non DOTS opportunistic-capable router  . . .  9
     3.3 Processing by a DOTS opportunistic-capable router  . . . . . 10
     3.4 Processing by a DOTS opportunistic-capable gateway . . . . . 10
     3.5 Processing by a DOTS opportunistic-capable server  . . . . . 10
   4 Deployment considerations  . . . . . . . . . . . . . . . . . . . 10
   5  Impact on existing IP layer implementations . . . . . . . . . . 11
   6  Security Considerations . . . . . . . . . . . . . . . . . . . . 12
   7  IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 12
   7  References  . . . . . . . . . . . . . . . . . . . . . . . . . . 13
     7.1  Normative References  . . . . . . . . . . . . . . . . . . . 13
     7.2  Informative References  . . . . . . . . . . . . . . . . . . 13
   Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . . . 14
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 15

 

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1  Introduction

1.1 Overview

   A distributed denial-of-service (DDoS) attack aims at rendering
   machines or network resources unavailable. These attacks have grown
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