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Developing Web based apps
Message
De
07/11/2013 18:50:35
 
 
À
07/11/2013 17:49:33
Information générale
Forum:
Visual FoxPro
Catégorie:
Applications Internet
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Windows 7
Network:
Windows 2008 Server
Database:
Visual FoxPro
Application:
Web
Divers
Thread ID:
01587490
Message ID:
01587531
Vues:
83
With the server hyper-v version, you would use Azure. Or you could use an Azure Linux guest OS: Lianja itself is built for Linux distribution on CentOS 6.4, which has built-in integration when used as a guest OS on Azure. Any number of providers provide virtual servers sized to your needs, and every one I've seen offers CentOS. If your needs outrun the ability of cloud instances, you have all the usual choices (lease a bare-metal server, co-lo a server, etc.).

I have a $10/mo VPS server with 2GB ram, 4 cores, etc., and they'll let you install anything you want on it. With virtual servers that's pretty much the case anywhere. 2GB and 4 cores is enough for testing. By release I'll have a better idea of performance parameters.

It's not like trying to get VFP on a server in the old days, although with the new Virtual Servers, I don't think that's an issue anymore.

In general, the CloudServer is architected, and Lianja apps themselves are architected, to run efficiently on the cloud. What is served is a SPA (single-page application, like, for instance, Google Docs). The HTML and embedded Javascript (and a small js engine to run the works) is uploaded and cached. Most operations happen in the app on the browser; those that don't, use an open socket connection to the CloudServer. Browsing operations are paged, with near-instantaneous response from what I've seen.

Hank

>OK, let's say I adopt Lianja. Which web host providers will allow me to install it?
>
>If supplied as a VM, then I would need dedicated hosting, which pushes the hosting costs way up or host it myself, which means I need the proper hardware, OS, and bandwidth. So again, price is increasing.
>
>>"You" doesn't apply: I am not employed by Lianja in any way, nor compensated.
>>
>>The users will install Lianja: it's not an operating system, it's an app. We'll see how much is involved with that when it's released: I've been told it will be very straightforward, but only time will tell. I have suggested that providing the cloudserver itself in server hyper-v, vmware server vm, and KVM vms would reduce support calls, but we'll see.
>>
>>Hank
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