Most Efficient Adapter

Hi All,
I am interested to know that for example if we are asked to transfer data in below scenarios which adapters are most efficient and why.
ECC to Third Party system
Third Party to Third Party system
Third Party to ECC system
Say you have the choice to choose which Third Party system you would recommend to the client for most efficient data transfer and why would that be? From all the standard SAP adapters like File or SFTP or SOAP or JMS or JDBC. I do understand that business need would come up as the first criteria but if are solely responsible for suggesting the client which is the best option. Transfer data from DB using JDBC or simple File transfer or SFTP or via web using SOAP adapater. Also do mention your reason for such suggestion.
Regards,
Shaibayan

Hi,
Check with your third party system ,what protocol it supports .
Some only supports FTP if they have file server installed in there machine .If the third party system is outside your BLAN then you need to make sure ports open b/w your machine and third machine to communicate .We do have FTP/SFTP/FTPS flavors in file transfer .
If they want to insert into there db then you can propose for JDBC/SOAP.
If they want to communicate from web then propose HTTP/HTTPS
If they have JMS queues/Topics go with JMS
When comes to SAP ECC it supports IDoc/RFC/Proxy
give 1st preference to Proxy for async scenarios,if you have standard IDoc then go with IDoc.If you have huge payload go with proxy.
//ly for synchronous scenarios go with proxy first,if insisted for rfc then go with that.
Frankly speakings many factors will impact on coming to conclusion .Discussions with end systems/business req narrow down the options.
Regards
Venkat

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