Tarantella
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Why Would You Want This?1. You can deliver all your Windows, Unix or Mainframe applications from your central office to mobile users or remote offices at extremely low cost over the Internet. Performance will be adequate even over slower Internet connections (yes, even modem connections are supported).2. With just one location, you can still save gobs of money on support, because the applications are loaded on just one computer, the server. When changes are made, they are made only on the server, not trotted around to each and every workstation. When Windows goes south on a PC, the user can just sit down at another PC and they'll have everything they had on their old one (except their secret stash of porn pictures). You can reformat their old PC, reload Windows, reload the Web Browser, and it's ready to go again. The user doesn't even need a full (or up-to-date) PC. A "thin client" will work just fine. No additional software is required at the client end, just a Java enabled Web browser (Internet Explorer, Netscape Navigator, Opera, etc.). No terminal emulation software is required to access Unix or Mainframe applications. Everything is served up to the Web browser. This is a really great way to set up remote offices, or serve traveling employees. You can also support kiosks, and other non-traditional devices from your office. All this cheaply and efficiently, even over $20/month Internet connections. Q. Why not just use PC Anywhere? - A. With remote control software you have to have a PC available for each remote caller to take over. That's two PCs per user, and all fully Windows configured. If you use the Internet you'll need to set up a VPN. Otherwise you need a separate phone line for each dial-in PC, and will be hit with per minute phone charges. Q. Why not just use the VPN software that comes with Windows
and network the remote computers over the Internet? - A. have you
seen how a Windows accounting package runs over this setup? Your users are
not going to stand for this.
Q. Why not use Windows Terminal Server and/or Citrix Metaframe?
- A. If you really want to lock yourself into an "All Windows"
solution at this late date, we will be happy to pass you on to a highly
experienced Citrix / WTS integrator we work with. They can get you set
up right, but it may cost a bit more than Tarantella.
Another big plus is how a user can simply suspend a session, then go to
another computer, perhaps at home, and log right back into the same program
just where they left it. This can be really great for traveling workers.
All they need is a device with a Web browser and an Internet connection.
Q. What about security? - A. If you have workers
outside the company firewall, a low cost security add-on package is available
for Tarantella that sets up an ad-hoc VPN connection. Both 40-bit and 128-bit
encryption are available.
Next, you add a Tarantella server to your network. Note that if your
server is Windows NT 4.0 or Windows 2000 it must have Windows Terminal
Services enabled. Unix and Linux servers support both text and X11 graphic
terminal services. These services may require some additional configuration.
These menu screens are configured using an easy to use "point and click"
graphic control center environment. It's similar to making shortcuts on the
Windows desktop, but with a lot more control.
Here we're shown a typical Tarantella menu screen. This screen is completely
customizable - it doesn't have to look anything like this one. Users
simply point to the icon for the program they want to run and click on it.
The program's normal screens come up within the browser and behave just like
they normally do.
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©:Andrew Grygus
- Automation Access
- www.aaxnet.com
- aax@aaxnet.com
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First, you do your planning. What applications do you really want to offer
over the network and who do you want using them? What kind of equipment will
the users have? Will you have users outside the company firewall and what
level of security will they need?
While the technical folks are configuring the network, the design person can
set up the Web menu screens the users will see. These screens load into the
Web browser just like any other Web page.
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