Contrace: Traceroute Facility for Content-Centric Network
draft-asaeda-icnrg-contrace-04

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Last updated 2017-10-28
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ICN Research Group                                             H. Asaeda
Internet-Draft                                                   X. Shao
Intended status: Experimental                                       NICT
Expires: May 1, 2018                                         T. Turletti
                                                                   Inria
                                                        October 28, 2017

       Contrace: Traceroute Facility for Content-Centric Network
                     draft-asaeda-icnrg-contrace-04

Abstract

   This document describes the traceroute facility for Content-Centric
   Network (CCN), named "Contrace".  Contrace investigates: 1) the
   routing path information per name prefix, device name, and function/
   application, 2) the Round-Trip Time (RTT) between content forwarder
   and consumer, and 3) the states of in-network cache per name prefix.
   In addition, it discovers a gateway that supports different protocols
   such as CCN and NDN.

Status of This Memo

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   This Internet-Draft will expire on May 1, 2018.

Copyright Notice

   Copyright (c) 2017 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
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   (https://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

Asaeda, et al.             Expires May 1, 2018                  [Page 1]
Internet-Draft                  Contrace                    October 2017

   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
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   6
     2.1.  Definitions . . . . . . . . . . . . . . . . . . . . . . .   6
   3.  Contrace Message Formats  . . . . . . . . . . . . . . . . . .   7
     3.1.  Request Message . . . . . . . . . . . . . . . . . . . . .   8
       3.1.1.  Request Block . . . . . . . . . . . . . . . . . . . .  10
       3.1.2.  Report Block  . . . . . . . . . . . . . . . . . . . .  13
     3.2.  Reply Message . . . . . . . . . . . . . . . . . . . . . .  14
       3.2.1.  Reply Block . . . . . . . . . . . . . . . . . . . . .  16
         3.2.1.1.  Reply Sub-Block . . . . . . . . . . . . . . . . .  16
   4.  Contrace User Behavior  . . . . . . . . . . . . . . . . . . .  19
     4.1.  Sending Contrace Request  . . . . . . . . . . . . . . . .  19
       4.1.1.  Gateway Discovery . . . . . . . . . . . . . . . . . .  19
       4.1.2.  Routing Path Information  . . . . . . . . . . . . . .  20
       4.1.3.  In-Network Cache Information  . . . . . . . . . . . .  20
     4.2.  Receiving Contrace Reply  . . . . . . . . . . . . . . . .  20
   5.  Router Behavior . . . . . . . . . . . . . . . . . . . . . . .  21
     5.1.  Receiving Contrace Request  . . . . . . . . . . . . . . .  21
       5.1.1.  Request Packet Verification . . . . . . . . . . . . .  21
       5.1.2.  Request Normal Processing . . . . . . . . . . . . . .  21
     5.2.  Forwarding Contrace Request . . . . . . . . . . . . . . .  22
     5.3.  Sending Contrace Reply  . . . . . . . . . . . . . . . . .  23
     5.4.  Forwarding Contrace Reply . . . . . . . . . . . . . . . .  24
   6.  Publisher Behavior  . . . . . . . . . . . . . . . . . . . . .  24
   7.  Contrace Termination  . . . . . . . . . . . . . . . . . . . .  25
     7.1.  Arriving at Publisher or Gateway  . . . . . . . . . . . .  25
     7.2.  Arriving at Router Having Cache . . . . . . . . . . . . .  25
     7.3.  No Route  . . . . . . . . . . . . . . . . . . . . . . . .  25
     7.4.  No Information  . . . . . . . . . . . . . . . . . . . . .  25
     7.5.  No Space  . . . . . . . . . . . . . . . . . . . . . . . .  25
     7.6.  Fatal Error . . . . . . . . . . . . . . . . . . . . . . .  25
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