►
From YouTube: 2021-09-01 Multicast W3C Community Group Meeting
Description
Discuss plans for TPAC, standardization efforts. Minutes here: https://github.com/w3c/multicast-cg/blob/main/meetings/minutes/minutes-2021-09-01.md (please raise an issue if you notice any errors).
A
A
A
A
A
A
You
know
what
are
we
going
to
be
achieving
if
we
do
it
and
how
can
we
model
it
so
so
that
has
come
along
okay,
I'm
hoping
that
I
can
lay
it
down
and
get
back
to
the
standards-based
work
within
the
next
week,
but
we
will
see
and
yeah
outside
that.
I
guess
I
wouldn't
say:
there's
been
a
whole
lot
of
progress.
A
A
Just
saying
that
you
know
expert
opinion
was
this
is
in
decent
shape
to
get
reviewed
there,
but
we
have
to
get
people
interested
in
what
to
do
so.
Mostly,
it
hasn't
moved
very
much.
The
people
who
are
looking
at
it
are
still
looking
at
it
and
we're
trying
to
figure
out
if
this
is
really
gonna
get
over
the
line
in
terms
of
being
worth
investing
in
for
everyone.
C
A
C
Yeah-
and
it
does
sound
like
the
last
I
heard
it
does
sound
like
cisco-
is
working
on
fixing
whatever
it
is,
that
prevents
them
from
doing
this
natively
on
their
peering
sessions
and
term.
They
may
be
able
to
roll
this
back
into
the
native
vlans
and
peering
sessions
like
they
used
to,
but
we
don't
have
any
timeline
for
that.
As
far
as
I'm
aware
or
concrete
promises,
you
know
that's
a
this
is
one
of
these
things
we
intend
to
integrate
into
the
default
feature
set,
but.
A
A
I
understand
yes,
that
that
makes
good
sense
too,
has
has
done
some
work.
They
are
kind
of
standing
up
a
similar
kind
of
amt
relay
based
system
to
export
traffic,
along
with
some
more
stuff
that
lenny
and
some
of
the
people
there
have
put
in
into
i2.
So
I
think,
there's
a
similar
kind
of
deal
getting
underway.
They
haven't
started
with
the
ingest
work
yet,
but
but
that's
kind
of
on
the
table
too
great
welcome
chris
chris
blair
just
joined
sorry,
I'm
late,
no
worries.
A
Sure
I
can
actually
paste
the
email
into
the
notes
if
you
like,
I
have
it
open
here
right.
It's
not
particularly
well
formatted
for
google
docs,
I
think,
but
there
we
have
it
all
right.
The
the
notes
if
you
wanted
to
follow
along
is
the
link
that
chris
posted,
but
the
other
chris
just
got
here.
So
if
you
wanted
to
see
it
there,
it
is.
A
There
was
an
interesting
opportunity.
I
thought
I
saw.
I
think
it
was
sudeep
sent
something
in
the
network
interest
group
pointing
to
a
a
they're
collecting
short
videos,
as
as
demos
that
would
be,
you
know,
available
and
reviewed
by
a
bunch
of
people,
so
I
think
maybe
maybe
putting
a
demo
together
would
be
a
good
idea.
A
B
No,
my
so
my
understanding
is
that
it's
I
don't
it's
like
an
open
invitation
to
any
any
w3c
group.
That's
developed
some
technology
that
they
would
like
to
showcase
or
demo.
So
I,
my
understanding
is
that
these
would
be
kind
of
all
grouped
together
and
then
made
available
as
a
as
a
package.
I
I
would
assume
that
w3c
will
create
a
website
where
you'll
be
able
to
you
know
view,
and
you
know,
check
out
all
of
the
demos
that
have
been
submitted.
B
A
A
To
the
list
and
see
if
anybody
has
any
comments,
if
anyone
I'm
I'm
guessing
you
guys,
I
don't
know,
does
anyone
want
to
be
involved
in
that
or
or
you
know,
be
a
youtube
star
here?
I'm
not
set
on
making
it
myself,
but
but
I
feel
like
it's
it's
possible
and
I
have
some
a
few
things
that
I
could
probably
do,
including
maybe
you
know
maybe
like
showing
just
doing
a
screen
recording
of
like
playing
the
video.
A
So
getting
it
getting
that
out,
there
might
be
good.
I
have
you
know.
I
was
playing
some
creative
commons
comment
content,
so
I
probably
just
have
to
make
sure
it's
you
know
properly,
showing
the
credits
when
I
show
it.
I
think
there's
some
restrictions
on
that,
but
outside
that
I
think
I
can
just
let
it
run.
D
At
least
for
me
is
socializing
within
the
company
trying
to
gain
support.
I
think
that
would
be
awesome
if
there
were
a
video
that
kind
of
shows
it
like.
You
said
one
of
the
chromium,
forks
or
joining
a
stream.
If
there's
something
in
the
background,
that
kind
of
shows
something
else,
like
maybe
some
log
on
the
the
amt
gateway
server
or
something
like
that,
this,
whatever
that
shows
that
something's
actually
happening.
D
That
would
be
like
a
quick
watch
this,
however
long
video,
so
you
can
actually
see
it
in
action.
I
know
one
of
the
things
we
talked
about
doing
was
setting
up
that
demo
in
my
lab.
I
I
still
haven't
done
it.
I
don't
know
what
I'm
going
to
do
it.
I
have
like
a
one
of
those
deli
ticket
counters
of
things,
I'm
trying
to
help
people
with
the
lab,
so
it's
just
so
hard
to
get
to
it.
D
A
That's
a
good
idea,
yeah,
it's
maybe
something
I
should
have
done.
You
know
a
long
time
ago
to
just
kind
of
show
people
what
what
to
expect
and
what
the
what
the
setup
is
but
yeah.
I
can
certainly
take
one
of
my.
You
know:
local
labs,
that
that
has
the
that
has
the
ingest
stuff
that
we've
been
that
we've
been
working
with
isps
on,
and
you
know,
show
show
a
little
bit
of
output
from
that
and
show
just
what
I
usually
use
is
like.
A
If
top
you
know
where
you
can
see,
you
can
see
the
it
it.
I
think
it
works
off
of
like
the
pcapp
stuff
or
something,
but
it
just
kind
of
keeps
track
of
how
much
traffic
is
going
to
what
addresses
and
you
set
up
monitoring
on
an
interface.
Then
it
has
like
a
it's
all
text
based,
but
it
has
like
a
bar
that
goes
across
and
shows
how
things
change
as
it
as
the
as
the
thing
happens
so
yeah.
I
guess
this
seems
like
it
should
fit
in
two
minutes.
A
B
A
We
have
a
you
know,
a
sort
of
tv
delivery
system
that
that
uses
this,
and
that's
that's
what
I
was
running.
You
know
as
the
sender
and
then
the
receiver
is
just
like.
Take
that
client
library
and
build
it
under
webassembly,
so
it's
probably
a
little
harder
to
follow,
but-
and
I'm
also
not
quite
sure-
if
I'm,
if
I'd
have
permission
to
show
that
code,
it's
technically
confidential,
I
think,
but.
A
Okay,
cool,
I
think
that's
probably
that
that
probably
bumps
my
time
spent
on
on
the
quick
work
that
I
was
hoping
to
to
get
moving,
because
I
think
that's
you
know
that
that
part
is
the
next
most
important
development
work.
I
think,
because
it
it's
the
sort
of
critical
path
in
addressing
the
feedback
we
got
about
about
encryption
and
and
to
a
large
extent,
also
about
you,
know,
object
building
within
the
api,
as
opposed
to
just
receiving
packets.
A
A
A
So
it
was
a
a
paper.
That's
the
alta
spec,
it's
kind
of
dead.
For
now
at
least,
we
think
it's,
it's
still
probably
a
useful
thing
to
do
for
ambi
delivery,
but
it's
not,
but
that's
sort
of
a
phase,
two
thing:
if
we
get
if
we
get
the
rest
of
this
moving,
but
at
the
time
when
we
took
it
to
sec
dispatch,
they
basically
said
you
know
there
were
a
few
people
expressing
interest,
but
not
enough.
They
said
come
back
with
more
people.
A
I
kind
of
take
the
the
same
answer
on
this.
One
we're
gonna
have
to
to
get
people
to.
You
know,
respond
to
that
thread
and
say,
or
you
know
otherwise
express
in
an
ietf,
visible
context
that
that
yeah,
we
would
like
the
ietf
to
to
pin
that
down.
So
this
can
go
forward.
I
think
it's
a
blocker
for
for
really
for
w3c
adoption,
probably
like
they're.
You
know
that
was
the.
That
was
the
feedback
I
got
from
the
premium
net.
A
Dev
people
was,
you
know
you
can't
just
experiment
with
this.
You're
gonna
have
to
to
have
a
consensus-based
position
on
what
the
security
model
here
looks
like,
because
it
is
different
from
tls,
and
you
know,
that's
a
that's
a
heavy
lift
all
by
itself.
Tls
is
you
know
anything.
That's
not.
Tls
is
inherently
tricky
to
get
with
the
security.
A
A
A
A
Like
I'm,
I'm
unfamiliar
with
that
part,
but
sam
has
you
know,
offered
to
answer
questions
and
is
looking
to
you
know,
is
being
supportive
of
the
idea.
There's
you
know
doing
doing
projects
with
the
multicast
api.
You
know
making
something
that
runs
in
a
browser,
another
kind
of
demo
there's
you
know
integrating
into
the
api
like
trying
to
to
tighten
up
that
the
implementation
in
some
ways.
I
think
it's
missing.
A
You
know
it's
still
all
very
prototypey
and
it
doesn't
have
really
the
tests
that
I'd
like
it
to
have.
It
doesn't
have
you
know
things
like
coverage
reporting
and
you
know,
fuzzing
and
and
inputs
that
you
know
there's
there's
like
setting
up
adding
something
to
the
what's
that
test
server,
that's
used
for
the
browser
for
the
browser
test.
Suites,
that's
like.
A
Tests
yeah
the
web
platform
tests.
Okay,
you
know
so
like
adding
something
that
can
support
this
api
into
that
setup
so
that
we
can
start.
You
know
like
this.
Is
you
know
this
whole
thing
is,
is
not
I
mean
if
we
didn't
get
rejected
on
like
your
security
design
has
not
started
yet
then
we
would
have
gotten
rejected
on
like
this
is
not
in
shape
to
to
fold
into
chromium.
A
Yet
I
think
you
know,
and
and
just
sort
of
getting
over
that
hump
is
just
there's
a
lot
of
work
to
do
so.
Anyone
who
thinks
that
that
would
be
interesting
and
a
good
use
of
time
I
I
just
want
to
get
them
involved
and
enabled
as
well
as
I
can,
but
if
nobody
that
wants
to
do
that,
made
it
to
this
meeting
today.
Besides
me,
then
that's
okay,
we'll
get
there
one
day,
maybe
hopefully.
A
There's
also
other
browsers
like
if
anybody
thinks
you
know,
hey
mozilla
might
be
a
better
fit
for
this,
then
I
would
totally
be
willing
to
work
work
on
you
know,
firefox,
instead
and
kind
of
or
in
addition
like
bring
up
a
fork
there.
Also,
that
would
be
neat.
I
haven't
prioritized
it,
but
I
wouldn't
be
averse
to
to
carrying
two
different
implementations
on
this.
Really.
A
C
A
A
A
So
this
is
this
is
the
the
thing?
That's
that's
on
the
table
for
a
giant
that
hasn't
been
an
internet
2
yet,
but
I
think
that
would
that
would
make
it
so
that,
for
instance,
I've
got
a
downloader
where
it's
it's
sending
out
like
I'm,
not
even
sure
it's
the
latest
anymore,
but
an
ubuntu
desktop
image.
A
That's
just
and
then
there's
a
you
know,
so
you
can
run
a
downloader
and
that
will
pull
in
the
the
you
know.
It'll
download
this
large
file
and-
and
you
can
we've
been
using
this
for
for
the
other
testing
stuff.
Also,
the
the
web
pages
that
do
the
streaming
would
be.
You
know
something
that
someone
could
join
and
watch.
A
A
A
A
sort
of
what
less
sources
would
need
a
route
so
that
the
rpf
comes
back
to
your
ingest
point,
so
that
you
know
sources
that
you
want
to
to
pull
in
would
would
be
something
that
you'd
advertise
and
send
your
rpf
here
and
then
I'll
be
forwarding
traffic
or
you
would
be
or
or
you
would
need,
basically,
a
default
for
for
multicast
traffic
like
in
the
you
know.
I
assume
that's
going
to
be
easier
as
from
your
side
is
doing
as
doing
a
source
route
right.
A
A
That
part
also
is
pretty
prototyping
by
the
way
like
it,
it
does
run
and
it
works,
but
it
doesn't
have
you
know,
basics
like
auto.
Updating,
and
you
know
it's
it's
just
a
it's
sort
of
like
you,
set
it
up
and
and
maybe
it'll
break
after
a
little
while
and
we'll
need
to.
You
know,
go
hacking
it
or
something
right.
So
as
long
as
you're.
Okay
with
that,
that's
just
where
it
is
right
now.
D
A
A
Yeah,
just
on
on
ietf
lists,
I
mean
I'm
not
you
know
if
you
don't
want
to
that's
fine
or
if
there's
there's
anything
blocking,
I'm
just
wondering
if
there's
anything
like
you
know,
if
I
I
feel
like,
if
I
could
get
more
interested
networks
to
just
express
interest,
then
it
would,
it
would
help
convince
the
isp
is
that
there
is
or
not
the
isps,
the
the
security
experts
that
this
is
worth
bothering
to
read.
You
know.
D
Yeah,
but
it's
something
I
can
do
I
I
don't
I'm
not
as
a
big
of
a
security
expert,
so
I
just
want
to
make
sure
I
vetted
to
make
sure
that
I
agree
with
everything
or
you
know
if
you
think
that
at
this
stage
it's
mostly
just
trying
to
say
hey,
we
should
look
into
this.
Then
you
know
that's
something,
that's
easier
for
me
to
do
just
to
reply
to
a
mailing
list.
Saying
I'd
like
to
see
this
developed
or
something
like
that.
A
Yeah,
that's
that's
really
all
I
was
hoping
for
like
sec
dispatches,
for
you
know
the
this
is
where
the
the
security
experts
monitor
what
needs
ietf
investment
on
in
the
security
area,
and
so
the
you
know
there's
a
sort
of
like
when
someone
has
a
security
related
proposal
that
they
would
like
to
do.
Ietf
work
with
then
that's
kind
of
the
the
entry
point
for
where,
where
people
try
to
find
a
venue
for
it,
so
in
that
sense.
D
A
Yep
yep,
that's
that's
a
big
part
of
it
is
analyzing
like
what
the
differences
are.
So
the
document
that
that
we're
trying
to
get
some
traction
on
is
is
about
analyzing
what
the
sort
of
differences
are
between
regular
web
traffic
and
and
multicast
based
web
traffic,
and
you
know,
explore
and
explain
the
the
different
security
considerations
that
you
need
to
to
make
use
of
in
order
for
that
to
be
to
be
safe
for
users
and
operators.
A
D
A
A
It's
not
sufficient
for
authentication
of
the
traffic,
because
because
it's
a
symmetric
key
and
so
for
that
reason
we
we
that's,
why
we've
kind
of
separated
the
two
and
and
we've
actually
so
far
have
have
only
talked
about
authentication,
making
sure
that
any
traffic
that
does
get
delivered
to
end
users.
They
can
verify
that
it
came
from
a.
A
You
know
the
encryption
for
multicast
is
inherently
going
to
be
like
a
little
weaker
than
it
is
for
unicast
and
that's
kind
of
the
the
sort
of
issue
that
we
get
into
in
that
security
consideration
stock,
and
this
is
where
we,
you
know
having
written
it
up
now.
We
want
to
get
the
expert
review
on
it
so
that
we
can
get
like
a
well-considered,
ietf
consensus
that
that
yeah.
A
These
are
the
sets
of
issues
that
need
to
be
that
need
to
be
covered
by
implementations
that
are
doing
multicast
for
the
web.
So
yeah,
it's
really
just
expressing
yeah.
Getting
back
to
your
first
question
that
that
is
what
this,
what
I'm
asking
for
here
is
just
I'm
not
asking
you
to
be
a
security
expert.
I'm
asking
you
to
say
that
you
know
this
is
interesting
and
because
security
I'm
hearing
security
is
a
is
a
blocker
on
this.
D
A
Yeah
that
makes
good
sense
and
like
if,
if
it's
just
one
person,
then
maybe
it
won't
matter,
but
if
we
can
coordinate-
or
it
might
not
matter
enough
at
least,
but
if
we
can
coordinate
several
people
to
do
it,
then
then
yeah.
I
would
like
to
get
everybody
to
do
it.
You
know,
because
I
do
think
that
that's
that's
the
kind
of
thing
just
expressions
of
interest
from
from
people
that
that
would
like
to
move
this
forward
or
to
see
this
move
forward.
A
And
I
don't
know
if
you
know
if
you
know
anybody
that
might
that
might
also
be
willing
from
other
organizations,
then
that
also
could
be
could
be
useful
but
I'll
ask
around.
Maybe
maybe
we
could
plan
to
you
know
to
make
a
push
you
know
by
next
month
or
so
to
see
if
we
can
get
enough
people
together
to
sort
of
get
them
all
to
chime
in.
D
That
makes
a
lot
of
sense.
There
was
that
kind
of
joint
call
we
were
having
with
belt
canada
as
well.
That
just
hasn't
happened
yet,
and
I
guess
that's
one
of
the
things
I
can
bring
up
as
well,
if
it
if
it
happens
in
time
that
here's
a
couple
pillars
of
what
we're
doing
and
also
there's
the
security
thing
if
you're
interested,
then
maybe
reply
just
like
you
talked
about
for
me,
it's
the
ipf
just
to
say
yeah
we'd
be
interested
in
it.
D
A
Yeah
that
that's
good
or-
and
even
you
know
promising
to
be
interested
in
it.
That
might
be,
you
know,
maybe
you're
interested
if
it
gets
anywhere
right
or
if
traffic
starts.
But
this,
but
expressing
that
you'd
like
to
see
this
happen,
because
you
know
because
of
the
potential
for
web
traffic,
you
know,
even
if
you
can't
guarantee
that
you'd
be
that
you'd
be
deploying
it
in
you
know
you
don't
have
timelines
or
or
you're
unwilling
to
say
anything
like
that.
A
A
B
A
A
B
B
Will
make
time
to
to
come
to
these
meetings,
and
so
it's
a
way
maybe
to
get
some
broader
input
and
broader
visibility
of
what
you're?
What
you're
doing,
I
think
like
the
regular
scheduled
meetings,
you
get
the
people
who
are
kind
of
most
interested
and
committed
to
the
work,
but
because
tpack
is
kind
of
advertised
quite
widely,
and
you
may
find
that
you
get
a
broader
set
of
participants.
A
B
B
Yeah
so
we're
I
mean
yeah,
so
in
my
group,
we're
just
planning
our
own
activities
for
tpack.
I
think
this
year
you
know
because
it's
virtual
and
because
it's
organized
over
two
weeks
so
there's
basically
one
week-
that's
dedicated
to
group
meetings
and
then
there's
another
week
which
is
for
breakout
sessions,
and
you
know
because
then
you
have
a
there's
like
a
limited
time
window
during
the
day
when
it's,
when
it's
kind
of
suitable
to
have
meetings,
then
we'll.
B
B
Like
maybe
it
has
a
slightly
different
emphasis
like
if
you
do
a
web
transport,
then
like
go
into
that
with
like
this
is
what
we're
doing-
and
this
is
the
integration
points
that
we
want
to
explore
with
web
transport,
like
I'm
wondering
kind
of,
maybe
that's
the
most
useful
thing
to
focus
on,
rather
than
like
a
general
like
introduction
to
this
is
the
problem
area
we're
working
in,
and
this
is
what
we're
trying
to
do
so
yeah.
I
don't
know
it's
kind
of
up
to
whether
you
feel
that
that's
a
more.
A
A
B
Yeah
that
I
think
that
could
work
well
actually
because
the
breakout
sessions
are
are
generally
intended
to
be
for
topics
that
are
kind
of
a
bit
more
exploratory,
and
you
know
for
people
to
to
talk
about
things
that
are
not
not
like
regular
work
items
in
a
in
a
particular
working
group
and
and
so
so
yeah
that
I
think
that
could
work
quite
well.
So
the
hope
would
be
that
a
tpack
meeting
would
you
know
it
could
be
like
this?
B
B
A
A
I
will
just
send
an
update
when,
when
it
is
posted,
I
guess
maybe
I'll
I'll
send
a
private
link
to
the
private
list
before
it
goes
public
and
give
people
just
a
brief
grace
period
to
to
check
it
out
first,
but
I
haven't
really
established
a
process
yet
so
any
feedback
on
that.
Let
me
know
also
that
makes
sense.