[IPFIX] Feedback: regarding draft-ietf-ipfix-mediation-protocol

"Rahul Patel (rahulp)" <[email protected]> Tue, 5 Mar 2013 17:56:09 +0000

Newsgroups	gmane.ietf.ipfix
Message-ID	<[email protected]>


Few comments.


  1.  Page 8:
     *   The difference between "Intermediate Selection Process" and "Intermediate Flow Selection Process" is not clear. Is the first one selecting record purely on matching content (value of the fields) in the record and the second one selecting on matching attributes of the fields that are not part of the record in *addition* to matching content in the record? An example would help here.
     *   Also in the example " e.g., Filtering only records from a given network to a given Collector" - Does "given network" means "source-ip/source-prefix of the exporter"?.
  2.  Page 13:
     *   "Figure B" A typo? Should it be "Figure 3"?

General

  *   On correlation process – how to correlate, what cannot be correlated, etc – is this out of scope of this draft? For example, Mediator A receives metric N1 and N2 per 5-tuple from exporter X and metric N3 and N4 per 5-tuple from exporter Y. Mediator A can easily correlate and exporter N1, N2, N3 and N4 to another collector C. If the key fields are not matching or one is subset of other then data can either not be correlated or can be represented in a different way. Most likely all of this out of scope of this document but just wanted to check.

Thanks,
-Rahul

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