RFC 2720 (rfc2720) - Page 3 of 55
Traffic Flow Measurement: Meter MIB
Alternative Format: Original Text Document
RFC 2720 Traffic Flow Measurement: Meter MIB October 1999
- A set of fundamental applications described in RFC 2573 [RFC 2573]
and the view-based access control mechanism described in RFC 2575
[RFC 2575].
A more detailed introduction to the current SNMP Management Framework
can be found in [RFC 2570].
Managed objects are accessed via a virtual information store, termed
the Management Information Base or MIB. Objects in the MIB are
defined using the mechanisms defined in the SMI.
This memo specifies a MIB module that is compliant to the SMIv2. A
MIB conforming to the SMIv1 can be produced through the appropriate
translations. The resulting translated MIB must be semantically
equivalent, except where objects or events are omitted because no
translation is possible (use of Counter64). Some machine readable
information in SMIv2 will be converted into textual descriptions in
SMIv1 during the translation process. However, this loss of machine
readable information is not considered to change the semantics of the
MIB.
3 Overview
Traffic Flow Measurement seeks to provide a well-defined method for
gathering traffic flow information from networks and internetworks.
The background for this is given in "Internet Accounting Background"
[ACT-BKG]. The Realtime Traffic Flow Measurement (rtfm) Working Group
has produced a measurement architecture to achieve this goal; this is
documented in "Traffic Flow Measurement: Architecture" [RTFM-ARC].
The architecture defines three entities:
- METERS, which observe network traffic flows and build up a table of
flow data records for them,
- METER READERS, which collect traffic flow data from meters, and
- MANAGERS, which oversee the operation of meters and meter readers.
This memo defines the SNMP management information for a Traffic Flow
Meter (TFM). Work in this field was begun by the Internet Accounting
Working Group. It has been further developed and expanded by the
Realtime Traffic Flow Measurement Working Group.
Brownlee Standards Track