On 2/15/2015 11:29 AM, Ken Dibble wrote:
I think the real key is to define fox apps as requiring a host to
run, or
as web based.
In other words, if the data, etc is hosted on a box that will run vfp,
foxweb, westwind, etc. and they only want browser based apps, I
believe it
will run on any tablet, phone, etc. if you're willing to design the
"app"
for the screen size.
Well, as far as hosting data, you can put VFP dbfs and dbcs on any
Linux box running SAMBA and it works fine. So you don't need a "box
that will run vfp" to host data, even if you are using a VFP back end.
I have found that a Windows RDP server will handle my very complex VFP
applications very well. I have separate copies of the application set
up on the RDP server for each user's RDP account (primarily because my
app is not Windows-compliant on where it writes to locally), and they
all access the same VFP data on a CentOS box. The only bottlenecks are
speed of the host site's internet connection, speed of the user's
internet connection, and, potentially, printing. (Our RDP server is on
a TW Telecom fiber optic line that has 25 Mbps down/3 Mbps up and that
seems quite adequate from our end.) RDP just sends images across the
wire for everything except printing. It can take up to a minute for
the local printer to respond to a print job requested over RDP, but it
still works fine.
Based on my reading of MS's white paper on the subject, I think you
would have no problem having 50 concurrent users running a complex VFP
application on a middling-power RDP server, and if you beef up the
hardware you could probably get closer to 150 per box.
There is a Mac RDP client, and since Mac is BSD Unix under the hood, I
wouldn't be surprised if there was a Linux RDP client available
somewhere. So it may be close to a universal solution for people using
devices with screens big enough to do data-entry.
Ken Dibble
www.stic-cil.org
I have several clients running this environment and it is working
fantastic. Only tricky things are scanning and printing to the local
machines, but can be figured out.
--
Jeff
Jeff Johnson
[email protected]
SanDC, Inc.
(623) 582-0323
SMS (602) 717-5476
Fax 623-869-0675
www.san-dc.com
www.cremationtracker.com
www.agentrelationshipmanager.com
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