XI adapter in proxies

Hi,
I have gone through previous threads but none of the thread were talked to the point. Could you please clarify my below doubt without any links.
1. Proxies in R/3 system work only if it is above of WebAs 6.40. And in case of proxies communication wtih XI is directly between Intergration engines (in XML format). As both the Integration Engines can understand XML messages then what is the need of XI adapter between sender and XI ??
2. Whether XI adapter is used for both client proxy and server proxy ??
Any help in this regard is highly appreciated.
Thanks in advance
Kumar

Hi jai,
Thanks for your answer !! Now my concept is pretty clear. But, I have one more silly doubt !! You mean in case of client proxy there is no need of communication channel and there by XI adapter. And in case of Sever proxy ......even though the communication between the XI and receiver is through XML we need communication channel and there by XI adapter. Bascially we need XI adapter in case of server proxy because we need communication channel to set the technical settings of the receiving system. And there (i.e in communication channel) in adapter place we will select XI apapter as to just to transfer the XML messages from XI to receiver.
Please correct me if my understanding is wrong.
Thanks again
Kumar

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>
NissiRaj wrote:
> 1. Do IDOC Adapter has both Sender / Receiver IDOC ( my assumption is it has only receiver Adapter )
> Nissi
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>
NissiRaj wrote:
> 2. Do HTTP Adapter has both Sender / Receiver IDOC ( my assumption is it has only receiver Adapter )
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Message was edited by: Alessandro Guarneri

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Edited by: Puneet Singhal on Aug 14, 2009 9:11 AM

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there is a the following explanation in online help.
Communication using adapters. In this case, you create interfaces for message exchange in the application system, or use existing interfaces.
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>
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