Doubt regarding SAP WebAs

hi frds,
      1) what is the use of WebAs?
      2) All SAP Components can run in SAP WebAs?
      3) SAP System means SAP WebAS ?
      4) XI Components like IR,IDand SLD..etc reside on SAP WebAS...like this     other SAP Netweaver Components like EP Components also reside in 2 stacks of SAP WebAS?
      5)How the XI Message flows from sender Business system to Receiver Business system via WebAS ? plz give example?
      6) What is Difference between SAP System and SAP WebAS and 3rd Party Systems?

hi Murali
<b>1) WAS</b> : SAP Web Application Server is a scalable and reliable component platform. It supports the development and operation of J2EE-based and ABAP-based Web applications and Web services. SAP Web Application Server embraces native Web technologies while providing all the benefits of what has previously been referred to as SAP Basis including the benefits of the proven and scalable data, system, and software lifecycle management capabilities that SAP is known for.
2) The new release of SAP Web Application Server offers full compliance with J2EE 1.3 standard. A completely revamped load-balancing technique highly improves the scalability of the server. Internal persistent information that the system needs to access is now stored in a conventional relational database increasing the robustness and the reliability of the server.
3) SAP System not means SAP WebAS but other parts are also involved
4) yes XI Components like IR,IDand SLD..etc reside on SAP WebAS
5)To know about flow you go through a scenario from TBIT
TBIT40:
https://websmp109.sap-ag.de/~form/ehandler?_APP=00200682500000001337&_EVENT=DISPLAY&COURSE=TBIT40
6) What is Difference between SAP System and SAP WebAS and 3rd Party Systems?
SAP Web Application Server adds business value because it
●     Allows customers
●     to run any 3rd party J2EE 1.3 compliant application
●     to develop and run their own J2EE 1.3 compliant applications
●     to easily extend SAP solutions on the basis of ABAP and J2EE technology
●     Offers an highly improved load-balancing which results in much better performance and, even more important provides much better scalability
so third party business system is party's own system which is being integrated by SAP XI
for more details on WAS kindly follow this link
http://help.sap.com/saphelp_nw04/helpdata/en/92/7e63423dbc0e53e10000000a155106/frameset.htm
Thanks
sandeep
PS; if helpful reward points

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