Re: how much difference is between deploying a j2ee application in Z/Os and in windows?

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What is the volume of web hits you are expecting? I would not think
clustering and load balancing would be any different. Clustering is
done through the admin console, so it should be the same. Depending on
your user group and the required app availability, you might not need to
cluster.

As for the DB2 questions, I do not work with DB2. That is a different
group of people here.


Larry Gray
Large Systems Engineering
Lowe's Companies
336-658-7944

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@xxxxxxxxxxx] On
Behalf Of legolas wood
Sent: Saturday, December 08, 2007 3:53 AM
To: IBM-MAIN@xxxxxxxxxxx
Subject: Re: how much difference is between deploying a j2ee application
in Z/Os and in windows?

Thank you for your reply.
You both ease my mind in order to proceed with the task.
my job is to port a J2EE application from a another application server
and database to websphere and DB2, after that I will have some help from
trained Z/OS administrator to deploy the application to z/OS.
things that made me worry was about changes that could be seen in WAS
for windows and WAS for zOS.
But it looks that there would be almost no changes :-).

How ever, I think the clustering and load balancing will differ, wont
they?
What is usually administrator or developer uses as a load balancer in
front of clustered WAS?


Does DB2 work in the same manner, I mean db2 for windows and linux are
alike?
I know that some features that are available in windows and *nix based
version are not available in zOS. I will not use them.

Are there some dramatic changes in DB2 for zOS and windows based DB2? If

i develop the database and its Stored procedure in windows will it be
easy to deploy them in zOS?

Thanks.




Timothy Sipples wrote:
I concur with Larry: deploying J2EE applications to WebSphere
Application
Server for z/OS is the same as, say, WebSphere Application Server for
Windows. There are multiple ways to do it, but typically you'd use
the
Web-based WebSphere Administrative console install wizard just as you
would
on any other platform. The WebSphere Information Center has details:

http://publib.boulder.ibm.com/infocenter/wasinfo/v6r1/index.jsp

I'm trying to think of any exceptions, and the only ones I can think
of are
very minor indeed. For example, you won't ever see a Windows-style
server
drive letter (e.g. C:\MyServer\AppsOnMyServer\...) in the Web panels.
I
think the Administrative console says "WebSphere Application Server
for
z/OS" for the branding. Here and there you might see an extra field or
option, to provide additional controls available for z/OS, but if you
don't
know what they are just take the defaults. Administrative access
control
will be validated with whatever WAS z/OS security system you're using,
typically the z/OS Security Server (RACF), rather than a Windows
sign-on.

You can also use the remote deployment feature in, for example,
Rational
Developer for System z or Rational Application Developer. This is how
your
J2EE developers would normally do things when they want to deploy an
application to a remote server. Your developers will have absolutely
no
problem with this, other than perhaps the mental adjustment when they
realize how easy and identical it is to deploy to the big iron.

The WebSphere product developers really did a beautiful job.

- - - - -
Timothy Sipples
IBM Consulting Enterprise Software Architect
Specializing in Software Architectures Related to System z
Based in Tokyo, Serving IBM Japan and IBM Asia-Pacific
E-Mail: timothy.sipples@xxxxxxxxxx
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