RE: [ipfix] RE: Last Call: 'IPFIX Applicability' to Informational RFC (draft-ietf-ipfix-as)

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Please read 'very IPv4 centric' rather than 'very IPv6 centric' in the
first paragraph. 

Dan


 
 

> -----Original Message-----
> From: majordomo listserver 
> [mailto:majordomo@xxxxxxxxxxxxxxxxx] On Behalf Of Romascanu, Dan (Dan)
> Sent: Thursday, June 22, 2006 3:39 PM
> To: iesg@xxxxxxxx; ietf@xxxxxxxx
> Cc: ipfix@xxxxxxxxxxxxxxxxx
> Subject: [ipfix] RE: Last Call: 'IPFIX Applicability' to 
> Informational RFC (draft-ietf-ipfix-as) 
> 
> Please find below my comments:
> 
> 1. The orientation of the document seems to be very IPv6 
> centric. Yes, there is a 'IPFIX and IPv6' section, but it's 
> very limited in scope, and then all examples in the text use 
> IPv4 addresses for example. I suggest that at least a note is 
> included in the 'IPFIX and IPv6' section mentioning that 
> although examples use IPv4, all applicability statements 
> apply in IPv6 networks. If there are any exceptions, these 
> need to be mentioned, obviously. 
> 2. The last but one paragraph in Section 2.4 (the one 
> starting with 'Security incidents can become a threat ...' 
> seems to belong more in the Security Considerations section, 
> rather than being a security application applicability 
> statement 3. Section 2.5: to 'The calculation of those QoS 
> metrics requires per-packet processing.' it would be good to 
> add '... and clock synchronization of multiple observation points'.
> 4. It is not clear why congestion awareness is considered to 
> be an inter-domain issue and is mentioned in 2.6. 
> 5. Typo in 3.2 s/addressd/addressed
> 6. Syntax : 'The TPM-MIB breaks out the APM-MIB transactions 
> into sub-application level transaction' 
> s/transaction/transactions/ 7. 'Again sub-
>     application level transaction could be measured using IPFIX with 
>     an appropriate flow definition and by combining the reporting of 
>     both directions of the data transfer (for reporting bi-
>     directional flow information see also section 4.5).'
> This sentence is broken in multiple ways. What is being 
> measure? Maybe application level transaction performance? Or 
> maybe we are talking about transactions? Then, what is the 
> meaning of 'Again'? In the previous paragraphs the editors 
> seem to be of opinion that IPFIX does not map well into APM 
> MIB, here they suggest some kind of usage of IPFIX to map 
> with into TPM MIB sub-transactions.  
> 8. In Section 3.3 I would prefer to see a stronger statement 
> that IPM metrics should be used to the possible extend, and 
> wherever applicable - e.g. for measurements of delay, delay 
> variation, packet loss, etc. RMON documents for example 
> follow a similar strategy. 
> 9. Question - was section 3.4 (and the whole document 
> actually) reviewed with the AAA Doctors team? 
> 10. Why is section 4.6 located under 'Limitations'? 
> 
> Dan
> 
>  
>  
> 
> > -----Original Message-----
> > From: The IESG [mailto:iesg-secretary@xxxxxxxx]
> > Sent: Friday, June 09, 2006 1:45 AM
> > To: IETF-Announce
> > Cc: ipfix@xxxxxxxxxxxxxxxxx
> > Subject: Last Call: 'IPFIX Applicability' to Informational RFC 
> > (draft-ietf-ipfix-as)
> > 
> > The IESG has received a request from the IP Flow 
> Information Export WG 
> > to consider the following document:
> > 
> > - 'IPFIX Applicability '
> >    <draft-ietf-ipfix-as-08.txt> as an Informational RFC
> > 
> > The IESG plans to make a decision in the next few weeks, 
> and solicits 
> > final comments on this action.  Please send any comments to the 
> > iesg@xxxxxxxx or ietf@xxxxxxxx mailing lists by 2006-06-22.
> > 
> > The file can be obtained via
> > http://www.ietf.org/internet-drafts/draft-ietf-ipfix-as-08.txt
> > 
> > 
> > _______________________________________________
> > IETF-Announce mailing list
> > IETF-Announce@xxxxxxxx
> > https://www1.ietf.org/mailman/listinfo/ietf-announce
> > 
> 
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