draft-ietf-rtfm-applicability-statement-01.txt   draft-ietf-rtfm-applicability-statement-02.txt 
Internet Engineering Task Force Nevil Brownlee Internet Engineering Task Force Nevil Brownlee
INTERNET-DRAFT The University of Auckland INTERNET-DRAFT The University of Auckland
October 1998 Expires October 1999
RTFM: Applicability Statement RTFM: Applicability Statement
<draft-ietf-rtfm-applicability-statement-01.txt> <draft-ietf-rtfm-applicability-statement-02.txt>
Status of this Memo Status of this Memo
This document is an Internet-Draft. Internet-Drafts are working This document is an Internet-Draft and is in full conformance with all
documents of the Internet Engineering Task Force (IETF), its Areas, and provisions of Section 10 of RFC2026.
its Working Groups. Note that other groups may also distribute working
documents as Internet-Drafts. This Internet Draft is a product of the
Realtime Traffic Flow Measurement Working Group of the IETF.
Internet Drafts are draft documents valid for a maximum of six months. Internet-Drafts are working documents of the Internet Engineering Task
Internet Drafts may be updated, replaced, or obsoleted by other Force (IETF), its areas, and its working groups. Note that other groups
documents at any time. It is not appropriate to use Internet Drafts as may also distribute working documents as Internet-Drafts.
reference material or to cite them other than as a "working draft" or
"work in progress."
To view the entire list of current Internet-Drafts, please check the Internet-Drafts are draft documents valid for a maximum of six months
"1id-abstracts.txt" listing contained in the Internet-Drafts Shadow and may be updated, replaced, or obsoleted by other documents at any
Directories on ftp.is.co.za (Africa), ftp.nordu.net (Northern Europe), time. It is inappropriate to use Internet-Drafts as reference material
ftp.nis.garr.it (Southern Europe), munnari.oz.au (Pacific Rim), or to cite them other than as "work in progress."
ftp.ietf.org (US East Coast), or ftp.isi.edu (US West Coast).
The list of current Internet-Drafts can be accessed at
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The list of Internet-Draft Shadow Directories can be accessed at
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This Internet Draft is a product of the Realtime Traffic Flow
Measurement Working Group of the IETF.
Abstract Abstract
This document provides an overview covering all aspects of Realtime This document provides an overview covering all aspects of Realtime
Traffic Flow Measurement, including its area of applicability and its Traffic Flow Measurement, including its area of applicability and its
limitations. limitations.
Contents Contents
1 The RTFM Documents 2 1 The RTFM Documents 2
2 Brief Technical Specification (TS) 3
2 Brief Technical Specification (TS) 4
3 Applicability Statement (AS) 4 3 Applicability Statement (AS) 4
4 Limitations 4
4 Limitations 5
5 Security Considerations 6 5 Security Considerations 6
6 Policy Considerations 6 6 Policy Considerations 6
7 Soundness 7 7 Soundness 7
8 Appendix A: WG Report on the Meter MIB 8 8 Appendix A: WG Report on the Meter MIB 8
9 References 9 9 References 9
10 Author's Address 9
10 Author's Address 10
1 The RTFM Documents 1 The RTFM Documents
The RTFM Traffic Measurement System has been developed by the Realtime The RTFM Traffic Measurement System has been developed by the Realtime
Traffic Flow Measurement Working Group. It is described in six other Traffic Flow Measurement Working Group. It is described in six other
documents (references [1] to [6]), as follows: documents (references [1] to [6]), as follows:
[1] Internet Accounting: Background (Informational) [1] Internet Accounting: Background (Informational)
Sets out the requirements for a usage reporting system for Sets out the requirements for a usage reporting system for
skipping to change at page 9, line 4 skipping to change at page 9, line 15
from the RMON2 MIB to select flows to be read; this gives the meter MIB from the RMON2 MIB to select flows to be read; this gives the meter MIB
a strong resemblance to RMON2. a strong resemblance to RMON2.
The current MIB introduces a better way of reading large amounts of data The current MIB introduces a better way of reading large amounts of data
from the flow table. This is the 'DataPackage' convention, which from the flow table. This is the 'DataPackage' convention, which
specifies the attribute values to be read from a flow table row. The specifies the attribute values to be read from a flow table row. The
meter returns the values for each required attribute within a meter returns the values for each required attribute within a
BER-encoded sequence. This means there is only one object identifier BER-encoded sequence. This means there is only one object identifier
for the whole sequence, greatly reducing the number of bytes required to for the whole sequence, greatly reducing the number of bytes required to
retrieve the data. The combination of retrieve the data. The combination of
TimeFilter: to select the flows to be read TimeFilter: to select the flows to be read
DataPackage: to select the attributes required for each flow DataPackage: to select the attributes required for each flow
GetBulk: to read many flows with a single SNMP PDU GetBulk: to read many flows with a single SNMP PDU
provides a very effective way to read flow data from a traffic meter. provides a very effective way to read flow data from a traffic meter.
9 References 9 References
[1] Mills, C., Hirsch, G. and Ruth, G., "Internet Accounting [1] Mills, C., Hirsch, G. and Ruth, G., "Internet Accounting
Background", RFC 1272, Bolt Beranek and Newman Inc., Background", RFC 1272, Bolt Beranek and Newman Inc., Meridian
Meridian Technology Corporation, November 1991. Technology Corporation, November 1991.
[2] Brownlee, N., Mills, C., and Ruth, G., "Traffic Flow [2] Brownlee, N., Mills, C., and Ruth, G., "Traffic Flow
Measurement: Architecture", RFC 2063, The University of Measurement: Architecture", RFC 2063, The University of
Auckland, Bolt Beranek and Newman Inc., GTE Laboratories Auckland, GTE Laboratories Inc, January 1997.
Inc., January 1997.
[3] Brownlee, N., "Traffic Flow Measurement: Meter MIB", [3] Brownlee, N., "Traffic Flow Measurement: Meter MIB", RFC
RFC 2064, The University of Auckland, January 1997. 2064, The University of Auckland, January 1997.
[4] Brownlee, N., "SRL: A Language for Describing Traffic Flows [4] Brownlee, N., "SRL: A Language for Describing Traffic Flows
and Specifying Actions for Flow Groups," Internet Draft, and Specifying Actions for Flow Groups," Internet Draft,
'Working draft' to become an Informational RFC, 'Working draft' to become an Informational RFC, The University
The University of Auckland. of Auckland.
[5] Handelman, S.W., Brownlee, N., Ruth, G., Stibler, S., [5] Handelman, S.W., Brownlee, N., Ruth, G., Stibler, S., "New
"New Attributes for Traffic Flow Measurment," Internet Draft, Attributes for Traffic Flow Measurment," Internet Draft,
'Working draft' to become an Experimental RFC, IBM, 'Working draft' to become an Experimental RFC, IBM, The
The University of Auckland, GTE Laboratories Inc, IBM. University of Auckland, GTE Laboratories Inc, IBM.
[6] Brownlee, N., "Traffic Flow Measurement: Experiences with [6] Brownlee, N., "Traffic Flow Measurement: Experiences with
NeTraMet," RFC 2123, The University of Auckland, March 1997. NeTraMet," RFC 2123, The University of Auckland, March 1997.
10 Author's Address 10 Author's Address
Nevil Brownlee Nevil Brownlee
Information Technology Systems & Services Information Technology Systems & Services
The University of Auckland The University of Auckland
Phone: +64 9 373 7599 x8941 Phone: +64 9 373 7599 x8941
E-mail: n.brownlee@auckland.ac.nz E-mail: n.brownlee@auckland.ac.nz
Expires October 1999
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