CAF GP - SAP XI BPM

Hello *,
I'm new to CAF and I'd like to implement a pricing process tool within this framework.
The process has just the following process steps / services (data flow in brackets):
- Taking new defined products and data from SAP PLM (SAP PLM <-> SAP XI <-> Application Service wraps Web Service of XI)
- Show a UI to define prices for the new products
- Saving new defined prices to SAP SD (Application Service wraps Web Service of XI <-> XI <-> SAP SD)
Up to know XI is just part of the process because of monitoring aspects and CAF GP for modeling the process.
But as I read about BPM in SAP XI I'm not sure if CAF GP is the right and only choice for process modeling.
So my questions are:
1. When do I have to use CAF GP and when the BPM component of SAP XI?
2. Can I use both in collaboration? Or do I even have to?
3. What are the differences (advantages/disadvantages) of CAF GP / SAP XI BPM?
Could anyone give me some advice?
Thanks in advance...
Regards,
Joschi

Hi Divya,
First of all I can't really accept the statement "Modeling in GP". Guided Procedure is NOT a tool for modeling to be used by a BPX according to my opinion. Developing a process in GP requires more technical knowledge than functional/business knowledge. The example of modeling environment/tool is ARIS/Websphere Business Modeler , etc - where the BPX can "model" a business process purely based on business knowledge without having any so-called technical knowledge. And in turn this model can be converted into the technical artifacts to be modified or developed by the technical experts. The example of this kind of business modeling to implementation is ARIS modeling -> XI ccBPM. But in GP there is no such tool as of now for modeling. What we do in the GP design time is only development.
Now coming to your question - you can use BPM engine as your GP runtime engine. But that still doesn't solve our first issue. Modeling of GP process is still missing. And one more interesting observation is if you go through the <a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/706005a3-3bd6-2910-91ae-a2016239bdcf">Netweaver PI 7.1 presentation</a> you can find there are lot of similarities between PI 7.1 and existing CAF Guided Procedure. Previously XI-BPM was usually used for non-interactive processes (with background message exchange) and Guided Procedure used for more interactive processes (with UI). But in PI 7.1 a new human task action has been added in ccBPM based on BPEL 2.0 specification. That means now XI-BPM can also support interactive processes as well. So doesn't this sound a kind of parallel technology to CAF GP? My question is if these two are getting really parallel one has to die out and which's that one? And if CAF-GP going to stay what's the modeling environment for the same?
Thanks,
Dipankar

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