wai/research: 2030 transport landscape — what the field ratified while we were not looking #80

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dcharlot merged 1 commit from wai/2030-transport-landscape into main 2026-09-10 12:23:49 -04:00

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2026-09-10

Transaction Science

wai/research: add §4.4 — the MoQ streaming-format slot the sweep missed ...

The automated survey found MoQ only through the confidentiality binding WAI
already has, and never reached the streaming-format layer. That layer is where
WAI actually belongs, and the slot is open.

MoQ separates transport (MOQT) from streaming format (MSF). The catalog's
`packaging` field names the format, and MSF fixes its value set — loc,
mediatimeline, eventtimeline, moqlog, moqmetrics, catalog — with no central
registry. That reads closed.

CMSF proves it is not. `draft-ietf-moq-cmsf` is a sibling I-D that declares
packaging value `cmaf`, states in §3.5.1 that it "extends the allowed packaging
values defined in [MSF]", inherits MSF wholesale, adds two track-level catalog
fields, and registers nothing: "This document has no IANA actions." A sibling
draft, no registry action, no permission sought — the cheapest standards path in
the survey, and already walked twice counting LOCMAF.

What CMSF did NOT take is the per-object slot. MSF §12 defines MSF Properties at
Track AND Object scope with an IANA property-type registry holding essentially
one entry (MSF_COMPRESSION); CMSF adds track-level fields only. A per-object
property carrying a content commitment and a measured-energy figure is the shape
jwp-receipts already has — the one place in this survey where WAI's existing
artifact fits an existing extension point without redesign.

Bounded by §4.5: what would be bound is field semantics and the rule over them,
never MOQT's extension-header byte encoding. And MOQT is pre-Last-Call, so the
honest form is a draft that tracks the transport, not a normative extension that
pins it.

Sourced from direct reads of draft-ietf-moq-msf and draft-ietf-moq-cmsf-00, not
from the sweep. The subsection says so, because the miss is itself informative: a
survey keyed to what is NEW can walk past a slot that is old, open and unclaimed.

Co-Authored-By: Claude Opus 5 <[email protected]>

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