>>> "Stephen Donnelly" <sfd(a)cs.waikato.ac.nz> 02/25/02 04:37 >>>
>If your question Joe is 'what is the justification for internet2?',
then I'd say
>there seems to be at least two commonly cited ones.
>One is the use in current large applications such as 'grid' computing,
a la DTF.
>Connecting super computer centres may consume a lot of bandwidth.
Climate
>models, particle physics results etc.
>The other one is that the internet2 is supposed to spurr new
application
>development, showing what *can* be done with huge amounts of bandwidth
when it's
>available at low cost. One of the more PR friendly applications would
probably
>be the 'virtual teleconferencing' systems, where 3d models are
transmitted along
>with the video, allowing participants to be rendered in 3d at each
end. (Enables
>you to make direct eye contact, surprisingly important.)
What that means is that a high-bandwidth network can be useful as a
testbed for all sorts of stuff. That's an argument for building one if
you actually have enough interest from research institutions, but
suggests that they'd need to take a lead in calling for one.
>So in short, the internet2 initiatives aren't so much about networking
anymore,
>as applications. On the other hand, the vBNS has native multi-cast,
Abilene
>supports IPv6, and CA-net3 is intended to be 'all optical'; they're
developing
>OBGP for instance.
And if you want to understand how new technologies and new ideas fit
together there's no substitute for experience. These are not issues
which have directly to do with providing cheap bandwidth for less
experimental customers, which is where this thread seems to have gone.
Asking a serious question which may have some relevance to this list,
is anyone in New Zealand doing any research at present which would use
high-bandwidth links in either of these ways?
- Donald Neal
--
Donald Neal
Special Operations
Network Delivery
Telecom New Zealand Ltd
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