Re: Performance and reliability of DDM-Files in a distributed environment

Replying a bit late, but...

Be careful when doing this especially with many jobs on many systems, resources and locks can get complicated.

Consider using a call to a program that uses DDM to get or receive data thereby restricting the communications to one connection between each system. This will simplify things, reduce overhead and improve performance.

Darryl Freinkel
iPad

On Feb 19, 2016, at 9:30 AM, Denis Robitaille <denis_robitaille@xxxxxxxxxxxx> wrote:

Hello,

This is very feasible. The reliability will depends on your network reliability. We use DDM fine on a daly basis (both IP and SNA over EE) and I don't remember having any issues in the last few years.

The only thing you might have to investigate are the security implications.


Denis Robitaille
Chef de service TI - Solution Entreprise
Infrastructure et Opérations
Cascades Centre des technologies,
412 Marie Victorin
Kingsey falls(Québec) Canada J0A 1B0
T : 819 363 6130


-----Message d'origine-----
De : MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] De la part de Frei Heinz
Envoyé : 19 février 2016 06:42
À : midrange-l@xxxxxxxxxxxx
Objet : Performance and reliability of DDM-Files in a distributed environment

We run 10 decentralized ERP-Systems on 10 iSeries (OS/400) machines. The 10 ERPs are identical. We have a VPN which connects the 10 locations with a bandwidth of 50/50 Mbps. Due to new requirements of the E-Shop, we plan to centralize the address data, using DDM-Files which connect via IP to the remote sides (see https://publib.boulder.ibm.com/iseries/v5r2/ic2924/index.htm?info/ddm/rbae5mst13.htm).

The question is now: is this feasible and how fast and reliable will the connections be?

Thank you very much for any answer. Heinz


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