[AG-TECH] AG Network Requirements Question

[Michael Daw]

I was recently involved in the production of a report on the comparative
merits of different videoconferencing systems, including Access Grid.

In the section on AG, I had the following sentence:
"The Local Network connection requires 100Mbps connectivity. The Wide Area
Network requires 10Mbps."

I got this from
http://www.accessgrid.org/agdp/guide/min-req/1.1/html/requirements.html.

However, this assertion has since been questioned (not surprisingly, on
reflection). Why would you need a larger local connection than WAN
connection? Surely, there's no point in having local connectivity that's
higher than your WAN? Also, doesn't the size you need for your WAN
connection depend on what/who else is using it?

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Michael Daw
Computer Services for Academic Research (CSAR)

Manchester Computing, Kilburn Building,
University of Manchester, Manchester M13 9PL, UK

Tel: +44 (0)161 275 7026
Fax: +44 (0)161 275 6800
Email: michael.daw at man.ac.uk

http://www.csar.cfs.ac.uk/staff/daw/
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