When to use RFC ,Idoc and proxies

When to use the RFC,IDoc and proxies.
What is the difference in using RFC,Idoc and proxies.
I want the therotical explanation of it.
I gone through some of the links.
i want the explanation which is there in simple words
and which is easily understand by the bigginers
those dont know more about adapters.

hi,
You use all these three things when the sender or receiver for XI is R/3 system.
You use proxy in sap 6.0 version or higher.
you use that when you dont want to use an adapter.
or very high volume of data has to be transfered.
you go for rfc which can be synchronous as well as asynchronous
http://help.sap.com/saphelp_nw04/helpdata/en/22/042a3e488911d189490000e829fbbd/frameset.htm
refer for idoc:
http://help.sap.com/saphelp_nw04/helpdata/en/dc/6b828943d711d1893e0000e8323c4f/frameset.htm
regards,
ujjwal kumar

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Hi All,
When interating XI with an SAP system,
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Thanks.

Hi,
you can also consider to use ABAP Proxy if you are working with Systems based on SAP Web AS 6.40.
Here some useful links:
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/people/ravikumar.allampallam/blog/2005/03/14/abap-proxies-in-xiclient-proxy
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/people/siva.maranani/blog/2005/04/03/abap-server-proxies
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/people/arulraja.ma/blog/2006/08/18/xi-reliable-messaging-150-eoio-in-abap-proxies
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Regards
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Sender- /people/michal.krawczyk2/blog/2005/03/29/configuring-the-sender-rfc-adapter--step-by-step
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http://help.sap.com/saphelp_nw04/helpdata/en/c8/e80440a832e369e10000000a155106/content.htm
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I am little worried and searched the sdn, but i am not getting the proper answer for my question.
My Question is when to use which adapter and at what stage?
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Regards,
Raj

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message edited by: cs

Regarding Error handling and customisation in RFC, Idocs and Proxy

Hi,
I wanted to compare RFC, Proxy and Idocs on the basis of the amount of customisation required in ECC when sending data from ECC to XI using the above stated means and also the error handling provided in these methods.
Please let me know in detail if possible.
Regards,
Sampada

Hi ,
Check this blog to know when to use which adapter:
/people/ravikumar.allampallam/blog/2005/08/14/choose-the-right-adapter-to-integrate-with-sap-systems
we use proxy in sap 6.0 version or higher.
Basically used for adapter less communication
& very high volume of data has to be transfered.
Step for Configuration fo IDOC in R/3
1) RFC Destination (SM59)
a) Choose create.
b) Specify the name of the RFC destination
c) Select connection type as 3 and save
d) In the technical settings tab enter the details SAP SID/URL and system number#.
e) Enter the Gateway host as same details above SID/URL.
f) Gateway service is 3300+system number#.
g) In the Logon /Security tab, enter the client user & Password details of Destination system.
h) Test the connection and remote logon.
2) Create Port (IDX1)
a) Select create new button
b) Enter the port name as SAP+SID (The starting char should be SAP)
c) Enter the destination client.
d) Enter the RFC Destination created in SAP R/3 towards other system.
e) Save
3) Load Meta Data for IDOC (IDX2)
a) Create new
b) IDOC Message Type
c) Enter port created in IDX1.
SAP R/3
1) RFC Destination (SM59)
a) Choose create.
b) Specify the name of the RFC destination
c) Select connection type as 3 and save
d) In the technical settings tab enter the details SAP SID/URL and system number#.
e) Enter the Gateway host as same details above SID/URL.
f) Gateway service is 3300+system number#.
g) In the Logon /Security tab, enter the client user & Password details of Destination system.
h) Test the connection and remote logon.
2) Create Port (We21)
a) First Select Transactional RFC and then click create button
b) Enter the destination port name as SAP+SID (The starting char should be SAP)
c) Enter the destination client.
d) Enter the RFC Destination created in SAP R/3 towards other system.
e) Save
3) Create Partner Profile (WE20)
a) Create New
b) Create the Partner no. name as same the logical system name of the destination system.
c) Select Partner type LS
d) Enter details for Type: US/USER, Agent, and Lang.
e) Click on the + button to select the message type.
f) Select Partner no. and LS which ever create above.
g) Select Message type
h) Select Process code related to the Message type.
I) save.
In SLD System Landscape Directory
TS for R/3 (Logical system):-Assign the client name created in R/3 as Logical system Name.
Ts for Third Party (Logical system):-
BS for SAP R/3 (Logical system):- Assign the client name created in R/3 as Logical system Name.
BS for Third Party (Logical system):-Enter the XI logical system name.
In Transaction SALE
Define and Assign the logical system name.
Regards,
Vinod.

When to use RFC ,Idoc and proxies

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