On Apr 21, 2010, at 13:17 , Edward Ned Harvey wrote:
I don't know. I never see any signs that multicast is used
anywhere. Why
not?
Pain in the butt to get working everywhere. That said, back before we
decided the RIAA made it too risky, we used to have multicast mp3
streams on campus
On Apr 21, 2010, at 06:51 , Tom Limoncelli wrote:
Multicast in IPv4 and IPv6 are about equal. On the LAN they were
really well. The problem is how to route them on the WAN. The
multicast routing protocols are still evolving. It turns out to be
more complicated than one would expect.
*blink*
On Wed, 21 Apr 2010, Dan Foster wrote:
> Hot Diggety! da...@lang.hm was rumored to have written:
>>
>> When you move to routing it gets even more complicated because you can no
>> longer start with the 'send it everywhere and filter what's not needed'
>
> What you just described is PIM (DM) -- Pro
Just to add a minor clarification: my last multicast post was speaking
from existing v4 multicast standards.
I haven't even looked at v6 multicast at all but suspect I will at some point.
-Dan
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Hot Diggety! da...@lang.hm was rumored to have written:
>
> When you move to routing it gets even more complicated because you can no
> longer start with the 'send it everywhere and filter what's not needed'
What you just described is PIM (DM) -- Protocol Independent Multicast
[dense mode]. Doe
On Wed, 21 Apr 2010, Tom Limoncelli wrote:
> Multicast in IPv4 and IPv6 are about equal. On the LAN they were
> really well. The problem is how to route them on the WAN. The
> multicast routing protocols are still evolving. It turns out to be
> more complicated than one would expect.
Many peo
On Wednesday, April 21, 2010, Edward Ned Harvey wrote:
> I don't know. I never see any signs that multicast is used anywhere. Why
> not?
It's probably a bit more common than you might realise; because it's
the basis of the "Bonjour" capability announcement system which lots
of Apple kit uses.
> I was at a SAGA-AU meeting once when it was suggested that the key problem
> was the volume charging multicast traffic was difficult, and that this was
> why so many ISPs had it disabled.
I recall a discussion on NANOG (IIRC) many years ago where people were
discussing the problems of routin
On Wed, 21 Apr 2010, Edward Ned Harvey wrote:
> I don't know. I never see any signs that multicast is used anywhere. Why
> not?
As Doug noted multicast needs to be enabled on every router along the
path. A lot of routers don't have it on anymore.
I was at a SAGA-AU meeting once when it was s
> On Tue, 20 Apr 2010, Edward Ned Harvey wrote:
>
> > I imagine a world where MLB generates a data stream of the Red Sox in
> the
> > World Series. They send one data stream, and it multicasts to all
> the
> > millions of people watching. The stream is kept as consolidated as
> possible
>
> Act
Robert Brockway wrote:
> On Tue, 20 Apr 2010, Edward Ned Harvey wrote:
>
>> I imagine a world where MLB generates a data stream of the Red Sox in the
>> World Series. They send one data stream, and it multicasts to all the
>> millions of people watching. The stream is kept as consolidated as pos
Robert Brockway wrote:
> On Tue, 20 Apr 2010, Edward Ned Harvey wrote:
>
>
>> I imagine a world where MLB generates a data stream of the Red Sox in the
>> World Series. They send one data stream, and it multicasts to all the
>> millions of people watching. The stream is kept as consolidated as
On Tue, 20 Apr 2010, Edward Ned Harvey wrote:
> I imagine a world where MLB generates a data stream of the Red Sox in the
> World Series. They send one data stream, and it multicasts to all the
> millions of people watching. The stream is kept as consolidated as possible
Actually this sort of t
Multicast in IPv4 and IPv6 are about equal. On the LAN they were
really well. The problem is how to route them on the WAN. The
multicast routing protocols are still evolving. It turns out to be
more complicated than one would expect.
Tom
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Besides p2p, the other area where I think IPv6 might be superior to IPv4 is
in multicast. But I have to admit I don't understand this very well, and I
wonder if someone else here does, and would like to chime in.
I imagine a world where MLB generates a data stream of the Red Sox in the
World S
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