Definitions of Managed Objects for Packet Sampling
RFC 6727
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RFC - Proposed Standard
(October 2012; No errata)
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2015-10-14
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RFC 6727 (Proposed Standard)
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Ron Bonica
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Internet Engineering Task Force (IETF) T. Dietz, Ed.
Request for Comments: 6727 NEC Europe Ltd.
Category: Standards Track B. Claise
ISSN: 2070-1721 Cisco Systems, Inc.
J. Quittek
NEC Europe Ltd.
October 2012
Definitions of Managed Objects for Packet Sampling
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 IP Flow Information eXport (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 is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Further information on
Internet Standards is available in Section 2 of RFC 5741.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/rfc6727.
Dietz, et al. Standards Track [Page 1]
RFC 6727 PSAMP MIB October 2012
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
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. Overview of PSAMP Documents . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . 6
5.2.3. Random n-out-of-N Sampling . . . . . . . . . . . . . . 7
5.2.4. Uniform Probabilistic Sampling . . . . . . . . . . . . 7
5.2.5. Property Match Filtering . . . . . . . . . . . . . . . 7
5.2.6. Hash-Based Filtering . . . . . . . . . . . . . . . . . 8
6. Definitions . . . . . . . . . . . . . . . . . . . . . . . . . 9
7. Security Considerations . . . . . . . . . . . . . . . . . . . 25
8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 25
9. Acknowledgment . . . . . . . . . . . . . . . . . . . . . . . . 26
10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 26
10.1. Normative References . . . . . . . . . . . . . . . . . . . 26
10.2. Informative References . . . . . . . . . . . . . . . . . . 27
Dietz, et al. Standards Track [Page 2]
RFC 6727 PSAMP MIB October 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,
RFC 2578 [RFC2578], STD 58, RFC 2579 [RFC2579] and STD 58,RFC 2580
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