Re: bluetooth + mobile phone + vpn?

From: Ulf Samuelsson (ulf_at_atmel.nospam.com)
Date: 03/01/04 

Date: Mon, 1 Mar 2004 00:08:58 +0100

> I need to be able to take the laptop out and about and be able to
> access files on the office server. As the data I will be accessing is
> snsitive, it can't be stored on the laptop in the event of theft,
> loss, etc. To this end, I need to find a solution that allows me to
> connect to the office server when a few hundred miles away, and work
> on the documents on the server... The laptop I'm using is a Dell CPX
> that works well with Slackware. I just need the rest of the
> hardware... but don't know what to get..
>
> I figure the best solution is to use a bluetooth adapter (either
> PCMCIA or USB, just has to work) and a bluetooth-enabled cell phone
> that can call up the ISP and set up a connection... then network with
> the office in some way shape or form...
>
> What combination of hardware just works with minimal fiddling?
> what software would I need? VPN is new to me, but is there another
> solution that I might be more familiar with?

A cell phone can be accessed using three methods.
1) Infrared - normall no investment on PC
2) Datacable (Possibly a docking station)
3) Bluetooth

I would recommend using infrared or better still a docking station.
Bluetooth is a bit of a hassle, if you do not have it inside the PC.
If you do get Bluetooth, beware of Nokia Phones.
Sony-Ericsson is normally very stable with BT.

If you have VPN, then any method of connecting to Internet (Modem,Broadband,
WLAN) would do.
You only need Cellular when you do not have access to the other means.

With GSM technology You have choice of HSCSD (High Speed Circuit Swicth
Data)
where you pay by the minute or GPRS where you can stay connected but
pay per bit transfered.
GPRS is probably the most suitable for You.

You might want to consider to store your file on some kind of encrypted USB
memory stick as well. 

-- 
Best Regards,
Ulf Samuelsson   ulf@a-t-m-e-l.com
This is a personal view which may or may not be
share by my Employer Atmel Nordic AB

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