on 02-16-2006 3:19 PM
hi,
I want to know which is the good option between ABAP proxies,Web services and RFC's.
and also why?
regards ,
Keith.
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In
http://help.sap.com/saphelp_nw04/helpdata/en/2b/f49b21674e8c44940bb3beafd83d5c/frameset.htm
They give this
Target Language Version of Platform Required to implement Proxies
ABAP
SAP systems based on SAP Web AS 6.40
Java
J2EE applications: SAP J2EE Engine 6.40 and higher
Then why does everyone say - u can generate proxies for systems with WebAS >= 6.20???
I have XI 3.0 - WebASS 6.40 and R3 WebAS 6.20 - can i use proxies or not??
Please someone clarify..
Dear Keith.
ABAp Proxies we use for newer systems above 4.7 v.
The new systems aer ERP-2004/ERP2005 and yet to come ERP 2007.
For systems below 4.7v we use RFC/IDOC.
Regarding web service.Generally when ur connecting the legacy systems we make use.Gow ever you can connect the R/3 systems still provided u hasve WEBAS supporting for it
Regards
Chandra Shekar
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Hi ,
I think the performance of the Abap proxies are better then the RFC and web services ? It is true or else the web service is the better option to follow.
Regards,
Keith.
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thanks for the quick response,
so that means abap proxies are good over web services and rfc's ?
Regards,
ganesh
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Hi Keith,
- ABAP proxies: WAS 6.40 required (or 6.20 and plugin)
- Webservices: Not SAP specific (SOAP, XML)
- RFC: SAP R/3 system required, worse performance compared to proxies but easier to handle.
So if you have to connect a SAP system the adapter decision is usally between:
- IDOC (good perfomance, quick to run, only asynchron)
- RFC
- ABAP proxies
Regards,
Udo
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Hi Udo,
I don't agree with your statement, that RFCs are easier to handle than Proxies. Proxies offer a good monitoring environment, which makes error handling in the backend system quite easy even for none technical people, RFCs on the other hand are hard to monitor and imo difficult to handle during Runtime.
The development of RFCs or Proxies doesn't differ that much, the only thing required is a change of mindset of the developers to actually use ABAP OO.
Another important point is always what is there in standard? is there an IDoc, BAPI, RFC or Proxy already existing, then i would go for that (almost) regardless of the actual technology because standard always means you get support for it and can be sure errors will be fixed etc.
If there is no standard functionality in SAP i would always opt for Proxy (on WAS >=6.20 unless you've got a very good reason not to use a Proxy), then IDoc and only as last possibility RFC. IDocs are more difficult to develop than RFCs but they are easier to handle during Runtime and that will eventually pay back.
Regards
Christine
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