& XSLT 
I am an absolute novice to SOAP/XML and have been
trying to make sense out of the cryptic W3C SOAP 
specifications.

I have a requirement to build SOAP/XML based message
interface between two network nodes (not in anyway
related to any webservice kind of stuff).  The requirement
is two have both client/server implementation on both sides
and a typical flow would be like this :

[Node A]    [Node B]
   |==========TCP Connection Establish=========> |
   |---------------------- Request 1 (SOAP) ---------------------> |
   |<-------------------- Response 1 (SOAP)---------------------|
   |<-------------------- Request 2 (SOAP) -----------------------|
   |---------------------- Response 2 (SOAP)-------------------> |
   |==========X TCP Connection Closure X========|

Here you can notice that a TCP connection is established first,
SOAP messages are exchanged back and forth, request can be 
sent by either node. 

I have these questions :

1. Most of the literature I have gone through talks of 
SOAP for RPC based applications. Can I use SOAP for 
a non-RPC kind of application (for instance purely 
for peer-2-peer message  transfer as explained above - 
where within the same TCP session multiple request/response 
messages are exchanged back and forth.)

2. Is there any License free SOAP framework that allows
me to build a SOAP client cum server to achieve the above.

I would be grateful if you can suggest a way out.
Thanks in advance.

Best regards,
S.Girisa.

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