RE: iSeries and PDA

Hi Carl,

1. Yes, the data has to be captured in the farmers fields and stores. If
we work with our existing applications it will be real time. Maybe later
we can rewrite some applications to do local processing on the PDA and
then sync the data to the iSeries, but like I said: I have no experience
with writing applications for PDA's, so that's no option at this moment.

2. The environment is not that pretty for electronic devices. I think
soil and water a possible problems.

3. No wireless private environment. Field workers are located at
multiple places in Europe.

4. We can connect through GPRS and VPN I assume. I don't know what kind
of datastream TN5250 applications do have. When an application and
connection is started but not used, does it generate some polling
traffic? 

Thanks for your help.
Best regards,
Arco Simonse

> -----Oorspronkelijk bericht-----
> Van: midrange-l-bounces@xxxxxxxxxxxx 
> [mailto:midrange-l-bounces@xxxxxxxxxxxx] Namens Carl Galgano
> Verzonden: donderdag 14 juli 2005 15:14
> Aan: 'Midrange Systems Technical Discussion'
> Onderwerp: RE: iSeries and PDA
> 
> Arco:
> I think for simplicity, a telnet based application might work 
> for you.  A few more questions:
> 1.  Do you want the data capture in the fields (I assume you 
> mean like farm
> fields) to happen in real time, or do you want the data 
> capture to only happen locally in the device, and then some 
> way uploaded to the AS400?
> 2.  What is the environment like?  Will a Palm device hold up 
> in a harsh environment, is there a chance units will be dropped?
> 3.  If real time access is desired, can the area be covered 
> by a private, wireless network?  You can use 802.11 or some 
> other radio based protocol.
> 4.  Is the area covered by a cellular carrier.  GSM carriers 
> can provide GPRS or EDGE data service on a handheld and CDMA 
> carriers can provide 1XRTT or EVDO coverage.  Data speeds 
> range from 25K to 500K depending on the technology.  TN5250 
> data stream apps typically use very little bandwidth, so even 
> the lower speeds would probably be OK.  Using a public 
> cellular network, you would either have to open up Telnet 
> from your AS400 to the internet (or use SSL), and you can 
> also use a VPN client on most Palm and PPC handheld devices.
> 
> I mention Teklogix in my previous post.   We have installed 
> lots of their
> gear and written a lot of customs apps for our clients to use 
> 5250 terminal remotely.  They have handheld devices that are 
> designed for rugged environments, extreme temps (ie cold 
> storage warehousing).  We have installed both their 802.11 
> solutions and their narrow band radio solutions.
> 
> **** DISCLAIMER *****
> Our company is a reseller of Teklogix equipment.  However we 
> have been installing their equipment way before we ever 
> formed a relationship with them.  We have found their 
> products and support to be very good.
> 
> Let me know if you have any more questions.
> cjg 
> 
> 
> Carl J. Galgano
> EDI Consulting Services, Inc.
> 600 Kennesaw Avenue, Suite 400
> Marietta, GA  30060
> (770) 422-2995 - voice
> (770) 425-8391 - fax
> mailto:cgalgano@xxxxxxxxxxxxxxxxx
> http://www.ediconsulting.com
> AS400 EDI, Networking, E-Commerce and Communications 
> Consulting and Implementation 
> http://www.icecreamovernight.com Premium Ice Cream Brands 
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