Definitions of Managed Objects for Packet Sampling
draft-ietf-ipfix-psamp-mib-05

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Document Type Active Internet-Draft (ipfix WG)
Last updated 2012-07-10 (latest revision 2012-07-05)
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Send notices to ipfix-chairs@tools.ietf.org, draft-ietf-ipfix-psamp-mib@tools.ietf.org
Network Working Group                                      T. Dietz, Ed.
Internet-Draft                                           NEC Europe Ltd.
Intended status: Standards Track                               B. Claise
Expires: January 6, 2013                             Cisco Systems, Inc.
                                                              J. Quittek
                                                         NEC Europe Ltd.
                                                            July 5, 2012

           Definitions of Managed Objects for Packet Sampling
                  <draft-ietf-ipfix-psamp-mib-05.txt>

Abstract

   This memo defines a portion of the Management Information Base (MIB)
   for use with network management protocols in the Internet community.
   In particular, it describes extensions to the IPFIX SELECTOR MIB
   module.  For IPFIX implementations that use packet Sampling (PSAMP)
   techniques, this memo defines the PSAMP MIB module containing managed
   objects for providing information on applied packet selection
   functions and their parameters.

Status of this Memo

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

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   This Internet-Draft will expire on January 6, 2013.

Copyright Notice

   Copyright (c) 2012 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

Dietz, et al.       draft-ietf-ipfix-psamp-mib-05.txt           [Page 1]
Internet-Draft                  PSAMP MIB                      July 2012

   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.  The Internet-Standard Management Framework . . . . . . . . . .  3

   2.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3

   3.  PSAMP Documents Overview . . . . . . . . . . . . . . . . . . .  4

   4.  Related IPFIX Documents  . . . . . . . . . . . . . . . . . . .  4

   5.  Structure of the PSAMP MIB module  . . . . . . . . . . . . . .  4
     5.1.  Textual Conventions  . . . . . . . . . . . . . . . . . . .  5
     5.2.  Packet Selection Functions . . . . . . . . . . . . . . . .  6
       5.2.1.  Systematic Count-based Sampling  . . . . . . . . . . .  6
       5.2.2.  Systematic Time-based Sampling . . . . . . . . . . . .  7
       5.2.3.  Random n-out-of-N Sampling . . . . . . . . . . . . . .  7
       5.2.4.  Uniform Probabilistic Sampling . . . . . . . . . . . .  7
       5.2.5.  Property Match Filtering . . . . . . . . . . . . . . .  8
       5.2.6.  Hash-based Filtering . . . . . . . . . . . . . . . . .  8

   6.  Definitions  . . . . . . . . . . . . . . . . . . . . . . . . .  8

   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . 25

   8.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 25

   9.  Acknowledgment . . . . . . . . . . . . . . . . . . . . . . . . 26

   10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 26
     10.1. Normative References . . . . . . . . . . . . . . . . . . . 26
     10.2. Informative References . . . . . . . . . . . . . . . . . . 27

   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 27

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Internet-Draft                  PSAMP MIB                      July 2012

1.  The Internet-Standard Management Framework

   For a detailed overview of the documents that describe the current
   Internet-Standard Management Framework, please refer to section 7 of
   RFC 3410 [RFC3410].

   Managed objects are accessed via a virtual information store, termed
   the Management Information Base or MIB.  MIB objects are generally
   accessed through the Simple Network Management Protocol (SNMP).
   Objects in the MIB are defined using the mechanisms defined in the
   Structure of Management Information (SMI).  This memo specifies a MIB
   module that is compliant to the SMIv2, which is described in STD 58,
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