BDC vs XI :Recommendations required

Hi All,
We have the following task. I am providing 2 solution approach for the task. Do let me know which one is is the best and Efficient and your recommendations.
Systems involved : SAP ; 3rd party file based systems. (Applciations that accept data only in the form of flat files (custom structures)).
Process flow : Required data from ECC system (FI/ SD/ HR) system should be sent across to 3rd party applications in the form of flat files.
No. of interfaces : (100-120) HR->50; FI-CO->30; SD->10 ; Others->10-15
Frequency : Some of them are daily, some are monthly, and some annually.
Examples of some of the Interfces where data flows out are:
FI --> EFT, POSPAY, Dim/Ledger [FC] (US), Dim/Ledger [FC] (International)
HR --> Benifits data, PA, etc...
Solution Approachs:
1) Write a BDC program to extract the data, converet into flat File and FTP it.
2) Write a ABAP Progam to populate IDoc (if standard IDOc is available) or generate a Outbound proxy (If standard IDoc is not available) to push the data into SAP XI. Write the tranformation logic in SAP XI and then use XI file adapter to sent ot the target system
Efforts: For solution approach1, If effort estimate is 1 unit. then for Solution approach2 the errort estimates would be atleast 1.6units. (1.6 times the approach1).
Which solution do you recommend. It would be of great help if you can tell me the pros & cons of each.
I know that XI is efficient in terms of "BPM, monitoring, error handling, alerts, CCMS, ........". Do let me know if you have any other recommendations apart from these...
Regards,
Siva Maranani
Helpful answers will definately be rewarded.

Hi,
If we go with XI then- As you know, XI can act as a Centralized integration platform, in future it will be very easy rather writing a BDC program
-capability of Webenablement will help you
-Integration Business Workflow (as you mentioned BPM)
-Features in XI are getting better
But initial investment, if you don't have XI environment will be high. And skill set required with their high demand will be high.
But if you go with BDC program, it will be a point to point right. And now and in future probably if ESA architecture is the part of the business , then I think this approach may not be valid. Regd, cost/effort/skill set it will be good option as of now.
This is just my views.
Regards,
moorthy

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hai Peterson,
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So the better solution is to create a bdc doesn't depend on resolution.
It can do that using always the first two lines of table control.
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With Regards
Bhaskar Rao.M

hi
The numeber of lines of table control for BDC depend on screen resolution, but It can't be managed by program.
So the better solution is to create a bdc doesn't depend on resolution.
It can do that using always the first two lines of table control.
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In this way your BDC'll use alwways the first two lines of tc and your program won't depend on resolution.
The problem is the transaction you need to simulate by BDC has to have a scroll functionality to allow to place the last record was elaborated to the top of tc, so the second line of tc can always be used to place the new record.
If there isn't this functionality, it's better to use a BAPI instead of BDC.
check these two
BDC - standard screen resolution required?
https://forums.sdn.sap.com/click.jspa?searchID=739193&messageID=823953
reward points if found helpful

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Edited by: samuel mendis on Jun 5, 2009 8:53 AM

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