High Capacity Textual Conventions for MIB Modules Using Performance History Based on 15 Minute Intervals
RFC 3705
| Document | Type | RFC - Proposed Standard (February 2004; No errata) | |
|---|---|---|---|
| Authors | Rajesh Abbi , Bob Ray | ||
| Last updated | 2013-03-02 | ||
| Stream | IETF | ||
| Formats | plain text html pdf htmlized bibtex | ||
| Stream | WG state | (None) | |
| Document shepherd | No shepherd assigned | ||
| IESG | IESG state | RFC 3705 (Proposed Standard) | |
| Action Holders |
(None)
|
||
| Consensus Boilerplate | Unknown | ||
| Telechat date | |||
| Responsible AD | Bert Wijnen | ||
| IESG note | Responsible: Bert Wijnen | ||
| Send notices to | <sneedmike@hotmail.com>, <Randy_Presuhn@mindspring.com> | ||
Network Working Group B. Ray
Request for Comments: 3705 PESA Switching Systems
Category: Standards Track R. Abbi
Alcatel
February 2004
High Capacity Textual Conventions for MIB Modules Using
Performance History Based on 15 Minute Intervals
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) The Internet Society (2004). All Rights Reserved.
Abstract
This document presents a set of High Capacity Textual Conventions for
use in MIB modules which require performance history based upon 15
minute intervals. The Textual Conventions defined in this document
extend the conventions presented in RFC 3593 to 64 bit resolution
using the conventions presented in RFC 2856.
Table of Contents
1. The Internet-Standard Management Framework . . . . . . . . . . 2
2. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3. Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . 3
4. Intellectual Property Statement. . . . . . . . . . . . . . . . 8
5. References . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.1. Normative References . . . . . . . . . . . . . . . . . . 8
5.2. Informative References . . . . . . . . . . . . . . . . . 9
6. Security Considerations. . . . . . . . . . . . . . . . . . . . 10
7. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 10
8. Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . 10
9. Full Copyright Statement . . . . . . . . . . . . . . . . . . . 11
Ray & Abbi Standards Track [Page 1]
RFC 3705 High Capacity Perfhist TC MIB February 2004
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
[RFC2580].
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in [RFC2119].
2. Overview
In cases where a manager must obtain performance history data about
the behavior of equipment it manages, several strategies can be
followed in the design of a MIB module that represents the managed
equipment, including:
- The agent counts events on a continuous basis and, whenever
desired, the manager obtains the value of the event counter and
adjusts its understanding of the history of events at the agent.
- The agent allocates events to 'buckets' where each bucket
represents an interval of time.
Telecommunications equipment often makes use of the latter strategy.
For such equipment the standard practice is that history data is
maintained by the agent in terms of 15-minute intervals [T1.231].
MIB modules for collecting performance history based on 15-minute
intervals have been defined for the DS1/E1 [RFC2495], DS3/E3
[RFC2496], SONET/SDH [RFC3592], ADSL [RFC2662], HDLS2 and SHDSL
[RFC3276] interface types. These MIB modules use a common set of
textual conventions defined in [RFC3593].
A need has arisen to define 64-bit versions of the textual
conventions in [RFC3593]. Ideally, these high-capacity textual
conventions would be based on a Gauge64 or Unsigned64 data type, but
unfortunately no such types exist in SMIv2. The next best choice
would be to base them on the CounterBasedGauge64 textual convention
Ray & Abbi Standards Track [Page 2]
RFC 3705 High Capacity Perfhist TC MIB February 2004
presented in [RFC2856], but that is not possible either since SMIv2
allows only base types to be used in defining textual conventions.
Therefore, the textual conventions presented in this memo are based
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