Internet Assigned Numbers Authority

In-Situ OAM (IOAM)

Created
2021-12-20
Last Updated
2021-12-20
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Registries included below

IOAM Option-Type

Registration Procedure(s)
IETF Review
Reference
[RFC-ietf-ippm-ioam-data-17]
Available Formats

CSV
Value Description Reference
0 IOAM Pre-allocated Trace Option-Type [RFC-ietf-ippm-ioam-data-17]
1 IOAM Incremental Trace Option-Type [RFC-ietf-ippm-ioam-data-17]
2 IOAM POT Option-Type [RFC-ietf-ippm-ioam-data-17]
3 IOAM E2E Option-Type [RFC-ietf-ippm-ioam-data-17]
4-127 Unassigned

IOAM Trace-Type

Registration Procedure(s)
IETF Review
Reference
[RFC-ietf-ippm-ioam-data-17]
Available Formats

CSV
Bit Description Reference
0 hop_Lim and node_id in short format [RFC-ietf-ippm-ioam-data-17]
1 ingress_if_id and egress_if_id in short format [RFC-ietf-ippm-ioam-data-17]
2 timestamp seconds [RFC-ietf-ippm-ioam-data-17]
3 timestamp fraction [RFC-ietf-ippm-ioam-data-17]
4 transit delay [RFC-ietf-ippm-ioam-data-17]
5 namespace specific data in short format [RFC-ietf-ippm-ioam-data-17]
6 queue depth [RFC-ietf-ippm-ioam-data-17]
7 checksum complement [RFC-ietf-ippm-ioam-data-17]
8 hop_Lim and node_id in wide format [RFC-ietf-ippm-ioam-data-17]
9 ingress_if_id and egress_if_id in wide format [RFC-ietf-ippm-ioam-data-17]
10 namespace specific data in wide format [RFC-ietf-ippm-ioam-data-17]
11 buffer occupancy [RFC-ietf-ippm-ioam-data-17]
12-21 Unassigned
22 variable length Opaque State Snapshot [RFC-ietf-ippm-ioam-data-17]
23 Reserved [RFC-ietf-ippm-ioam-data-17]

IOAM Trace-Flags

Registration Procedure(s)
IETF Review
Reference
[RFC-ietf-ippm-ioam-data-17]
Available Formats

CSV
Bit Description Reference
0 Overflow (O-bit) [RFC-ietf-ippm-ioam-data-17]
1-3 Unassigned

IOAM POT-Type

Registration Procedure(s)
IETF Review
Reference
[RFC-ietf-ippm-ioam-data-17]
Available Formats

CSV
Value Description Reference
0 16 Octet POT data [RFC-ietf-ippm-ioam-data-17]
1-255 Unassigned

IOAM POT-Flags

Registration Procedure(s)
IETF Review
Reference
[RFC-ietf-ippm-ioam-data-17]
Available Formats

CSV
Bit Description Reference
0-7 Unassigned

IOAM E2E-Type

Registration Procedure(s)
IETF Review
Reference
[RFC-ietf-ippm-ioam-data-17]
Available Formats

CSV
Bit Description Reference
0 64-bit sequence number [RFC-ietf-ippm-ioam-data-17]
1 32-bit sequence number [RFC-ietf-ippm-ioam-data-17]
2 timestamp seconds [RFC-ietf-ippm-ioam-data-17]
3 timestamp fraction [RFC-ietf-ippm-ioam-data-17]
4-15 Unassigned

IOAM Namespace-ID

Expert(s)
Unassigned
Reference
[RFC-ietf-ippm-ioam-data-17]
Available Formats

CSV
Range Registration Procedures
0x0000 Expert Review
0x0001-0x7FFF Private Use
0x8000-0xFFFF Expert Review
Value Description Status Reference
0x0000 default namespace (known to all IOAM nodes) permanent [RFC-ietf-ippm-ioam-data-17]
0x0001-0x7FFF Reserved for Private Use [RFC-ietf-ippm-ioam-data-17]
0x8000-0xFFFF Unassigned