Definitions of Managed Objects for Packet Sampling
draft-ietf-ipfix-psamp-mib-04

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Last updated 2012-04-26 (latest revision 2011-10-31)
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Network Working Group                                      T. Dietz, Ed.
Internet-Draft                                           NEC Europe Ltd.
Intended status: Standards Track                               B. Claise
Expires: May 3, 2012                                 Cisco Systems, Inc.
                                                              J. Quittek
                                                         NEC Europe Ltd.
                                                        October 31, 2011

           Definitions of Managed Objects for Packet Sampling
                  <draft-ietf-ipfix-psamp-mib-04.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 [I-D.dkcm-ipfix-rfc5815bis].  For IPFIX implementations that
   use packet Sampling (PSAMP) techniques as described in [RFC5475],
   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.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on May 3, 2012.

Copyright Notice

   Copyright (c) 2011 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

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   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.  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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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
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