Relative advantage and disadvantage of CICS and IMS DC

[sanjoy_206]

Hi,

We have an application running in CICS. There are lots of TDQ and TSQ used.As the licensing cost of CICS is quite high, thinking of the possiblity of migrating it in IMS DC. If you are aware of can you please mention the relative merits and demerits of CICs and IMS. Thanks for sharing your knowledge.

Thanks

[dick scherrer]

Hello and welcome to the forum,

As the licensing cost of CICS is quite high

Why does someone believe the license cost for CICS is high? Compared to what?

Is there only one applicaton that is using CICS in the entire system? If there is another, CICS will still be needed. . .

Are you already familiar with IMS DC or would this be the initial attempt?

can you please mention the relative merits and demerits of CICs and IMS

Way too broad a question for a forum topic. To make such a recommendation, we would need far more details than can be posted here. You might get an opinion or 2 but with nothing to use to make a decision, it would only he an opinion. There is no right or wrong answer. . .

[sanjoy_206]

thnx 4 ur reply.

Answer of 1st Qs- Compared to IMS. You can verify that if dont believe.
Answer od 2nd Qs - May be one or more application is using CIS, But most of the applictaions is using IMS DC.
Answer of 3rd Qs - We are already familiar with IMS DC. But how it is relavant in this context.

Did u mean there is no relative merit or demerit? Pls mention what else do u need and how it's relavant for ur answer.

[enrico-sorichetti]

even if it is a beginners forum, the approach to asking and replying is usually professional
it means that kiddie' s sms abbreviations are not welcome.

furthermore You should review Your attitude, it means accepting and thinking about the answers You get
instead of questioning becasue they are not those You would have liked to receive

Answer of 1st Qs- Compared to IMS. You can verify that if dont believe.

utter horse manure

Answer od 2nd Qs - May be one or more application is using CIS, But most of the applictaions is using IMS DC.

You do not seem to understand...
if this is the only CICS application left around it might be worth consider an IMS/DC rewrite,
but if CICS is still needed , other considerations apply

Answer of 3rd Qs - We are already familiar with IMS DC. But how it is relavant in this context.

it is relevant in order to evaluate the effort required to implement/port CICS related facilities to IMS/DC
( using the MESSAGE queues as intermediate storage for example )
but if You are so familiar why ask on a forum

Did u mean there is no relative merit or demerit? Pls mention what else do u need and how it's relavant for ur answer.

when comparing <products> the comparison is carried on according to a list of criteria (weighted comparison) ..
according to the weight associated to each comparison factor the result might be different ...
( as an example IMS/DC has a <queued> terminal message handling approach CICS has a <synchronous> approach )
and in a few occasions I have seen it as a deal closer, both ways ...

since we do not belong to Your organization we cannot set the weights and define the items to compare
You might find some hints by searching the IBM redbook site

You are the one who needs help, so if somebody ( with more experience ) asks for additional info it would be wiser not to question the why
after all we reply on our own time and free of charge

[sanjoy_206]

Again thanks for your reply,time and information. Though it's a forum seems people are making it a school in attitude . All I wanted to know theoretical advanategs and disadvantages of these two online environment not that asking for any decision or something. Weightage part we can determine depending on our requirement which we can't disclose.

[dick scherrer]

Hello,

Though it's a forum seems people are making it a school in attitude

Well, yes. . . One of the most important disciplines for students/beginners is to learn to show proper "attitude" and to provide proper information when asking others a question.

All I wanted to know theoretical advanategs and disadvantages of these two online environment not that asking for any decision or something.

I know of no theoretical advantages or disadvantages of either. Not until some way of measuring what constitutes an advantage or a disadvantage is defined.

Weightage part we can determine depending on our requirement which we can't disclose.

If the "requirement" is that "secret" probably no one will be able to help. Actually, what you are doing/going to do has already been done many, many times and the secrecy is basically misplced. All this is is some data, some screens, and some code. . .

It sounds like someone (or more than 1) has something they want to hear, but the professionals among us are not so likely to just throw things out so your group can say "some expert said".