On Wed, 17 May 2006, Duncan Barclay wrote:
"This server is configured to support only multicast connections. Please
contact the content provider for more information on listening to this
broadcast."
It seems that JANET doesn't extend to the university accommodation, although
I don't see why it wouldn't.
The JANET multicast traffic might well make it to your campus network core
(assuming your regional MAN carries it - JANET connections don't just
terminate on X.25 or SMDS links to the Universities like they did in the
Good Old Days), but whether it then gets sent to the subnet that you're on
is something your networks folk get to decide. At Loughborough for
example we've shipped multicast to some subnets that need it (for
e-science and grid computing stuff mostly, plus some video testing) but
not all. Student hall rooms will probably be getting multicast next for
IP TV (but not the BBC's trial - this is from INUK[1]). Even then its
likely that we'll restrict where multicast sources can come from and
whether internal multicasting within a hall works (so folk can't start up
their own multicast TV station playing out their video collection from
their hard disc!).
Jim'll
1: <URL:http://www.inuknetworks.com/>
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