Internet Assigned Numbers Authority In Situ OAM (IOAM) Created 2021-12-20 Last Updated 2024-11-27 Available Formats [IMG] XML [IMG] HTML [IMG] Plain text Registries included below • IOAM Option-Type • IOAM Trace-Type • IOAM Trace-Flags • IOAM POT-Type • IOAM POT-Flags • IOAM E2E-Type • IOAM Namespace-ID • IOAM DEX Flags • IOAM DEX Extension-Flags IOAM Option-Type Registration Procedure(s) IETF Review Reference [RFC9197] Available Formats [IMG] CSV Code Point Name Description Reference 0 IOAM Pre-allocated Trace Option-Type See Section 4.4.1 [RFC9197, Section 4.4.1] 1 IOAM Incremental Trace Option-Type See Section 4.4.1 [RFC9197, Section 4.4.1] 2 IOAM POT Option-Type See Section 4.5 [RFC9197, Section 4.5] 3 IOAM E2E Option-Type See Section 4.6 [RFC9197, Section 4.6] 4 IOAM Direct Export (DEX) Option-Type Direct exporting [RFC9326] 5-63 Unassigned IOAM Integrity Protected Pre-allocated Trace Option-Type (TEMPORARY - 64 registered 2022-11-24, extension registered 2024-11-21, expires See Section 4 [draft-ietf-ippm-ioam-data-integrity-12] 2025-11-24) IOAM Integrity Protected Incremental Trace Option-Type (TEMPORARY - 65 registered 2022-11-24, extension registered 2024-11-21, expires See Section 4 [draft-ietf-ippm-ioam-data-integrity-12] 2025-11-24) 66 IOAM Integrity Protected POT Option-Type (TEMPORARY - registered See Section 4 [draft-ietf-ippm-ioam-data-integrity-12] 2022-11-24, extension registered 2024-11-21, expires 2025-11-24) 67 IOAM Integrity Protected E2E Option-Type (TEMPORARY - registered See Section 4 [draft-ietf-ippm-ioam-data-integrity-12] 2022-11-24, extension registered 2024-11-21, expires 2025-11-24) 68-127 Unassigned IOAM Trace-Type Registration Procedure(s) IETF Review Reference [RFC9197] Available Formats [IMG] CSV Bit Description Reference 0 hop_Lim and node_id in short format [RFC9197] 1 ingress_if_id and egress_if_id in short format [RFC9197] 2 timestamp seconds [RFC9197] 3 timestamp fraction [RFC9197] 4 transit delay [RFC9197] 5 namespace-specific data in short format [RFC9197] 6 queue depth [RFC9197] 7 checksum complement [RFC9197] 8 hop_Lim and node_id in wide format [RFC9197] 9 ingress_if_id and egress_if_id in wide format [RFC9197] 10 namespace-specific data in wide format [RFC9197] 11 buffer occupancy [RFC9197] 12-21 Unassigned 22 variable-length Opaque State Snapshot [RFC9197] 23 Reserved [RFC9197] IOAM Trace-Flags Registration Procedure(s) IETF Review Reference [RFC9197][RFC Errata 6992] Available Formats [IMG] CSV Bit Description Reference 0 "Overflow" (O-bit) [RFC9197] 1 "Loopback" (L-bit) [RFC9322] 2 "Active" (A-bit) [RFC9322] 3 Unassigned IOAM POT-Type Registration Procedure(s) IETF Review Reference [RFC9197] Available Formats [IMG] CSV Code Point Name Description Reference 0 16-Octet POT data See Section 4.5 [RFC9197, Section 4.5] 1-255 Unassigned IOAM POT-Flags Registration Procedure(s) IETF Review Reference [RFC9197] Available Formats [IMG] CSV Bit Description Reference 0-7 Unassigned IOAM E2E-Type Registration Procedure(s) IETF Review Reference [RFC9197] Available Formats [IMG] CSV Bit Description Reference 0 64-bit sequence number [RFC9197] 1 32-bit sequence number [RFC9197] 2 timestamp seconds [RFC9197] 3 timestamp fraction [RFC9197] 4-15 Unassigned IOAM Namespace-ID Expert(s) Unassigned Reference [RFC9197] Available Formats [IMG] CSV Range Registration Procedures 0x0000 Expert Review 0x0001-0x7FFF Private Use 0x8000-0xFFFF Expert Review Code Point Name Description Status Reference 0x0000 default namespace (known to all IOAM nodes) See Section 4.3 permanent [RFC9197, Section 4.3] 0x0001-0x7FFF Reserved for Private Use See Section 4.3 [RFC9197, Section 4.3] 0x8000-0xFFFF Unassigned IOAM DEX Flags Registration Procedure(s) IETF Review Reference [RFC9326] Available Formats [IMG] CSV Bit Description Reference 0-7 Unassigned IOAM DEX Extension-Flags Registration Procedure(s) IETF Review Reference [RFC9326] Available Formats [IMG] CSV Bit Description Reference 0 Flow ID [RFC9326] 1 Sequence Number [RFC9326] 2 Multicast Branching Node ID [RFC9630] 3 Multicast Branching Interface Index [RFC9630] 4-7 Unassigned Licensing Terms