[dispatch] Re-dispatching Web Packaging

Jeffrey Yasskin <jyasskin@google.com> Fri, 15 February 2019 17:30 UTC

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From: Jeffrey Yasskin <jyasskin@google.com>
Date: Fri, 15 Feb 2019 07:30:05 -1000
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Subject: [dispatch] Re-dispatching Web Packaging
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Hello Dispatch,

TL;DR: I'd like to request another discussion of Web Packaging at IETF104.
We think it'll be ready for a BOF at IETF105, but mnot suggested we take it
back here for a second look.

We dispatched Web Packaging, https://github.com/WICG/webpackage/, at
IETF99, with the discussion at
https://mailarchive.ietf.org/arch/msg/dispatch/lZohQ8ypodcpB2f_jhxoBRMYl0o.
On your advice, we split the proposal into two pieces, "signed exchanges",
and "bundles". We also created the
https://mailarchive.ietf.org/arch/browse/wpack/ mailing list, although it
hasn't seen as much activity as the github issue tracker.

The signed exchanges specification is mostly complete, in an IETF draft
that specifies the format:
https://wicg.github.io/webpackage/draft-yasskin-http-origin-signed-responses.html,
and a WICG draft that specifies how it integrates with Fetch:
https://wicg.github.io/webpackage/loading.html. We've implemented that
specification in Chromium, run an origin trial in Chrome, and will be
shipping the current version in Chrome 73:
https://groups.google.com/a/chromium.org/d/topic/blink-dev/gPH_BcOBEtc/discussion
.

Despite shipping the current version, we expect standards bodies to make
more changes, and we've built in a way to migrate users to new versions of
the specification.

The Bundles specification is very roughly sketched, but we expect to flesh
that out and start implementing it in the next few months.

The W3C TAG recently discussed the state of things at
https://github.com/w3ctag/meetings/blob/gh-pages/2019/02-tokyo/02-06-minutes.md#signed-exchanges-and-bundling
.

Mark Nottingham and a representative of the TAG are organizing an "ESCAPE"
conference at a TBD date to help publishers organize their feedback on the
proposals. This has been pushed back a couple times, but it sounds like
it's more solidly planned for either May or July before IETF105.

We think we'll be able to write a WG charter that we can discuss in a BOF
at IETF105, with the goal of handing control of the specifications to a
more formal group. However, mnot suggested that we come back to DISPATCH to
see if anyone's sense of the right plan has changed now that we have a
little more experience with the proposals.

Thanks,
Jeffrey