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Adjust Implementation to support the IOAM Template Option format #1

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ramon wants to merge 3 commits from implement-ioam-template-option into main
pull from: implement-ioam-template-option
merge into: ramon:main
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ramon commented 2026-04-21 19:09:19 +00:00
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I adjusted the P4 implementation and export related parameters for IPFIX to support the new format introduced by the IOAM Template Option.

The Aggregation Trace Option for IOAM is now transported as a template within the IOAM template option.

The format to transport the aggregated network telemtry data is now as follows:

  0                   1                   2                   3
  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 |        Namespace-ID           |  Template-ID  |    Length     |
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 | Flags |           IOAM Data Param             |  Aggregator   |
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 |                           Aggregate                           |
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 |            Auxil-data Node-ID                 |   Hop Count   |
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
I adjusted the P4 implementation and export related parameters for IPFIX to support the new format introduced by the [IOAM Template Option](https://www.ietf.org/archive/id/draft-mbci-ippm-ioam-template-option-01.html). The [Aggregation Trace Option for IOAM](https://www.ietf.org/archive/id/draft-cxx-ippm-ioamaggr-04.html) is now transported as a template within the IOAM template option. The format to transport the aggregated network telemtry data is now as follows: ``` 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Namespace-ID | Template-ID | Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Flags | IOAM Data Param | Aggregator | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Aggregate | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Auxil-data Node-ID | Hop Count | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ ```
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git switch main
git merge --no-ff implement-ioam-template-option
git switch implement-ioam-template-option
git rebase main
git switch main
git merge --ff-only implement-ioam-template-option
git switch implement-ioam-template-option
git rebase main
git switch main
git merge --no-ff implement-ioam-template-option
git switch main
git merge --squash implement-ioam-template-option
git switch main
git merge --ff-only implement-ioam-template-option
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git merge implement-ioam-template-option
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