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7. Internet Access Management Tools
| 1 |
Each of these functions does not require
huge bandwidth especially as most small primary/elementary
schools will not require large amounts of web access
as many sites will use off-line browsing software.
The Online Virtual Library will also reduce off-task
browsing. You can speed up the serving of web pages
by using a "proxy server". This software
can be set up very easily and the best proxy server
software is free. We recommend Squid proxy server
software.
This software will "trap"
most of the web site (that is being downloaded by
your system), in the cache temporarily, so that the
next time someone asks for that site most of it will
come from the cache (a part of the hard drive that
has been set aside for this purpose).
By using proxy server software you can
eliminate specific sites, cache sites and provide
a good record of where students and teachers have
been.
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Squid Proxy Server |
| 2 |
Internet access can be through a modem
connected to the file server. The modem can be shared
amongst 6-7 machines with reduced access as more users
are online at one time. After 5 people are online
actively the system will grind to a halt! The recommended
software to do this is Wingate http://www.candc1.com/wingate/features.htm
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Internet sharing
and firewall
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This software allows you to make a
copy of a web page or an entire web site. The beauty
of this is that the site then sits on your hard drive
or your web server and is definitely going to be there
when you want it and it will arrive immediately.
Schools can make use of off-line browsers
that make a hard copy of the web site and store them
on the hard drive of the server. This means that the
web site are available whenever you need them and
as they are on the server they load very quickly and
you are not left wondering whether the information
is ever going to arrive. We recommend the off-line
browser Web Whacker , Web Zip or Surf Saver
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Offline browser |
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[E-Teacher 电子教师]
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