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author's profile photo Former Member
Former Member

BW Estimation Model

HI Gurus,

I am currently trying to build a BW Estimation model . I would be greateful if you'll could suggest me as to the different objects types and the complexity factors for each objects. I have labeled some tasks related to Info Objects , data targets and Info source. I am looking for suggestions in the Source connection, Update rules, Transfer Rules, Reports ,I want to know as to which tasks for these objects can be labelled as High or Medium or Low complexity?..If anyone of you could share any estimation model , or if anyone of you could provide me with your valuable input , I would really appreciate that.

Thanks a lot,


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    author's profile photo Former Member
    Former Member
    Posted on Oct 04, 2005 at 07:09 AM

    Hi sanjeev

    Under normal circumstances You can use the following as a rule of thumb.

    1) Source system -> Medium complexity depending on which source system to attach. If You are planning on attaching a SAP related source system complexity is low - if You are planning on using a 3 party source system via DBConnect or UDI complexity is medium to high depending on parameters such as accessibility, data capture etc.

    2) Updaterules -> In general low however as UR are normally used to conduct transformations they can easily be high (ex. if You need to program start routines, return tables etc.) I would look in to the need for data transformation and rate it according to this.

    3) Transfer rules -> Same as for update rules.

    4) Reports -> Medium to high complexity depending of the requirements. If You need to create a simple report without any execution logic it is quite simple to do - however if You need to apply some VBA coding or user exits it can easily be more complex.

    In general You can say that all standard functionality will normally be rated as low to medium. As soon as You need to expand this with either coding or custom made objects the complexity increases.

    Hope it helps



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  • author's profile photo Former Member
    Former Member
    Posted on Oct 04, 2005 at 07:27 AM

    Hi Sanjeev,

    Just to add a few objects

    1) Datasources

    Generic mostly complex

    Low level of customisation Medium

    Business Content mainly simple

    2) Process chains where ever used I would say complex object.

    3) Custom ODS

    Complexity depending upon the number of Key fields as the more the key fields the more rigourously the object would have to be tested.

    4) Reports

    Complex if you are using some VBA code, exits etc.

    Medium if Some logic to be implemented using RKF, CKF and structures to be to be created

    Hope it helps



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