Information Model and XML Data Model for Traceroute Measurements
RFC 5388

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Network Working Group                                       S. Niccolini
Request for Comments: 5388                                 S. Tartarelli
Category: Standards Track                                     J. Quittek
                                                                T. Dietz
                                                                     NEC
                                                                M. Swany
                                                                    UDel
                                                           December 2008

    Information Model and XML Data Model for Traceroute Measurements

Status of This Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (c) 2008 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.

Abstract

   This document describes a standard way to store the configuration and
   the results of traceroute measurements.  This document first
   describes the terminology used in this document and the traceroute
   tool itself; afterwards, the common information model is defined,
   dividing the information elements into two semantically separated
   groups (configuration elements and results elements).  Moreover, an
   additional element is defined to relate configuration elements and
   results elements by means of a common unique identifier.  On the
   basis of the information model, a data model based on XML is defined
   to store the results of traceroute measurements.

Niccolini, et al.           Standards Track                     [Page 1]
RFC 5388               Traceroute Storage Format           December 2008

Table of Contents

   1. Introduction ....................................................3
   2. Terminology Used in This Document ...............................3
   3. The Traceroute Tool and Its Operations ..........................4
   4. Results of Traceroute Measurements ..............................5
   5. Information Model for Traceroute Measurements ...................5
      5.1. Data Types .................................................6
      5.2. Information Elements .......................................7
           5.2.1. Relationships between the Information Elements ......7
           5.2.2. Configuration Information Elements .................12
           5.2.3. Results Information Elements .......................17
           5.2.4. Information Element Correlating
                  Configuration and Results ..........................21
           5.2.5. Information Elements to Compare Traceroute
                  Measurement Results ................................22
   6. Data Model for Storing Traceroute Measurements .................23
   7. XML Schema for Traceroute Measurements .........................24
   8. Security Considerations ........................................38
      8.1. Conducting Traceroute Measurements ........................39
      8.2. Securing Traceroute Measurement Information ...............39
   9. IANA Considerations ............................................40
   10. References ....................................................40
      10.1. Normative References .....................................40
      10.2. Informative References ...................................41
   Appendix A. Traceroute Default Configuration Parameters ...........43
      A.1. Alternative Traceroute Implementations ....................46
   Appendix B. Known Problems with Traceroute ........................47
      B.1. Compatibility between Traceroute Measurement Results
           and IPPM Metrics ..........................................47
   Appendix C. Differences to DISMAN-TRACEROUTE-MIB ..................47
      C.1. Scope .....................................................48
      C.2. Naming ....................................................49
      C.3. Semantics .................................................49
      C.4. Additional Information Elements ...........................50
   Appendix D. Traceroute Examples with XML Representation ...........50

Niccolini, et al.           Standards Track                     [Page 2]
RFC 5388               Traceroute Storage Format           December 2008

1.  Introduction

   Traceroutes are used by lots of measurement efforts, either as