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WG last call on Sampling and Filtering Techniques until March 12

Dear all,

Tanja has submitted a new version of our document on Sampling and 
Filtering Techniques for IP Packet Selection.  Please find it at

The document in mature enough for entering WG last call.
The call will end on March 12.  This allows us bringing up and
discussing comments and issues also at our session in Minneapolis.

Please read the document carefully and comment on it.

Positive feedback is as welcome as comment on technical flaws and 
editorial nits.

There is one open technical issue left that we should continue 
discussing and try to close during last call.  The document describes 
the need to support hash functions for packet selection and for 
packet digest.  We agreed already, that for each of them one hash 
function should be mandatory to implement.  Currently it is IPSX 
for packet selection and CRC32 for packet digest.

However, a discussion recently started on this list considered 
replacing both (as mandatory to implement) by the BOB hash function.
We have not reached consensus on this issue.


Juergen Quittek        quittek@netlab.nec.de       Tel: +49 6221 90511-15
NEC Europe Ltd.,       Network Laboratories        Fax: +49 6221 90511-55
Kurfuersten-Anlage 36, 69115 Heidelberg, Germany   http://www.netlab.nec.de

> From: Internet-Drafts@ietf.org
> To: i-d-announce@ietf.org
> cc: psamp@ops.ietf.org
> Subject: I-D ACTION:draft-ietf-psamp-sample-tech-06.txt
> Date-Sent: Freitag, 18. Februar 2005 16:04 Uhr +0100
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the Packet Sampling Working Group of the IETF.
> 	Title		: Sampling and Filtering Techniques for IP Packet Selection
> 	Author(s)	: T. Zseby, et al.
> 	Filename	: draft-ietf-psamp-sample-tech-06.txt
> 	Pages		: 37
> 	Date		: 2005-2-17
> This document describes Sampling and Filtering techniques for IP 
>     packet selection. It provides a categorization of schemes and 
>     defines what parameters are needed to describe the most common 
>     selection schemes. Furthermore it shows how techniques can be 
>     combined to build more elaborate packet Selectors. The document 
>     provides the basis for the definition of information models for 
>     configuring selection techniques in measurement processes and 
>     for reporting the technique in use to a Collector.
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-ietf-psamp-sample-tech-06.txt
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