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Marco,

Do I understand correctly that users are connecting from an RDP client to
an RDP server? That the RDP server is running browser instances for each
remote user? If so, why would you do that?

Wouldn't it make more sense for browser clients to connect directly to an
HTTP server? I can't think of any reason for putting an RDP server in the
middle. I'm curious about what use-case you may have had in mind?

My thinking is that web interfaces and RDP interfaces compete against one
another, architecturally. Yet it appears that you thought that they might
be complementary.

It also seems intuitive to me that an RDP interface in the middle would be
extremely resource intensive and prone to poor performance - like what
you're reporting.

Nathan.



On Sun, Apr 5, 2020 at 4:11 AM Marco Facchinetti <
marco.facchinetti@xxxxxxxxx> wrote:

Hi, since we rewrote our main IBM i ERP package to be Web based we also
took the chance to use it on a Power only machine, no others servers in
between.

Our plan was to execute our ERP in a RDP like virtualized desktop hosted on
a Linux platform (Power). The main reason we choose this way is because
communication exchange between the browser and the backend is heavy. The
LAN Linux and IBM i use to communicate with each other is virtualized so
none of the OS's even reach the switch, of course Linux reach it as it has
also to communicate with users, but internal communications are 100%
virtualized and I have to say that run really fast.

Now our problem is that we sat up various environments:
- Red Hat V8
- Red Hat 7.3
- Ubuntu 16.x
- Ubuntu 18.x
using various desktop virtualization (Dockers, VNC, Xrdp, X2Go and others)
but all of them got performance problems when executing the client part of
our ERP (Javascript) in a browser.
If I execute it using the same Browser (typically Firefox since Chrome is
not available in Red Hat...) in a Windows RDP session it's really fast, no
problems at all. The Windows RDP server is in the same location of the P9
so it loads the switch but it's local and doesn't pay the remote latency
defect of having all clients request's and backend responses
travelling over the internet.

So my request to the list is to know if someone has taken this type of road
and has experiences to share or suggestions. IBM is not helping so much as
they keep stating that "this is not certified" "that it's not supported"
and so on.

TIA
--
Marco Facchinetti

Mr S.r.l.

Tel. 035 962885
Cel. 393 9620498

Skype: facchinettimarco
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