F25-LI: Yes
Archived previous-definition assessment — revision 5.73. Retired in 5.82; excluded from the active matrix and counts. This historical verdict is not a current assessment.
Historical wake-traffic inventory (cutoff retired)
Rationale
A configured IPv4/UDP leaf behind the existing LISP xTR meets the endpoint-interface budget. Allow four minimum Ethernet ARP frames (336 byte-times) for cold neighbor repair and two packets each carrying 256 useful bytes (2 x (256 + 8 UDP + 20 IPv4 + 38 Ethernet byte-times) = 644). Total 980, below 65,536. RFC 9300 sections 4 and 4.2 place mapping and encapsulation at the xTR, not at this ordinary leaf. The retained numeric EID, static local route and provisioned infrastructure require no endpoint DNS or transport-session establishment.
Assessment method
Documentary byte accounting and source-role/lifecycle analysis; no runtime or legal clearance
Source context
Primary RFCs and pinned implementation sources; reviewed 2026-10-22
Outstanding qualification
Bounded Ethernet leaf witness, not a sleeping xTR. Infrastructure, including current xTR mappings and registration, remains available as F25 permits; only the endpoint loses learned neighbor state. Map-Request/Reply/Register traffic and outer UDP/LISP headers remain on infrastructure-facing interfaces and are not falsely counted as zero network cost. The peer is off-link, so the leaf repairs its gateway neighbor entry; the gateway can learn the leaf mapping from that exchange. Four ARP frames reserve an additional repair pair. No loss, retries, unrelated broadcasts, endpoint DHCP, DNS or authentication wrapper; two 256-byte useful messages, one in each direction, exceed the required useful-byte total. This supplies no cryptographic authorization. No packet capture or implementation qualification.
Public sources
- https://www.rfc-editor.org/rfc/rfc9300.html#section-4.2
- https://www.rfc-editor.org/rfc/rfc9301.html
- https://www.rfc-editor.org/rfc/rfc791.html
- https://www.rfc-editor.org/rfc/rfc768.html
- https://www.rfc-editor.org/rfc/rfc826.html
Editorial evidence references
The following identifiers refer to research records not included in this public package; they are not public links.
- round418-sources.json
- round418-budget.json