Hi Thomas,
By "IOAM dimension fields", are you referring to fields such as ingress/egress
intf id etc in IOAM data? And you are requesting for these fields to be
included to facilitate aggregation by another entity (e.g the aggregating
mediator in RFC7015)? i.e you are not requesting for the IOAM node in this
document (i.e. the exporter) to export aggregated data?
If I understood correctly, then I agree.
Regards,Reshad.
On Monday, March 18, 2024, 08:42:41 PM EDT, thomas.g...@swisscom.com
<thomas.g...@swisscom.com> wrote:
Dear Justin, Dear OPSAWG and IPPM working groups
Thanks a lot for the presentation at IPPM. I believe that this work needs
further refinement by defining also IPFIX entities for IOAM which allow a
decomposition of each IOAM dimension fields, thus enabling IPFIX Flow
Aggregation as described in RFC 7015 which is a requirement to scale out for
IOAM DEX and Trace Option Type. I believe this should be performed after the
working group adoption and me should move forward quickly since IOAM is now
getting implemented by vendors and applied by operators.
While shepherding IPFIX at OPSAWG, I noticed that most discussions where around
choosing the right data type and aligning with the IPFIX registry. Not so much
about exposing the right dimensions from the data plane.
draft-ietf-opsawg-ipfix-on-path-telemetry is already adopted and well
progressed at OPSAWG. I suggest that draft-spiegel-ippm-ioam-rawexport is being
adopted together with draft-gfz-opsawg-ipfix-alt-mark. With that we are
covering both Hybrid Type options developed at IPPM.
In order to pool the IPFIX entity definitions, I believe OPSAWG would be the
best place to move with draft-spiegel-ippm-ioam-rawexport forward.
I would appreciate feedback from IPPM and OPSAWG wherever they share my opinion
or not.
Best wishes
Thomas
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