BSL as a Web Service. How to get the client Hostname?

Hi group,
Is it possible to read the calling client computer name from within a Transaction execution when called as a Web Service (HTTP GET)?
Some function that would return the same as
Request.ServerVariables["REMOTE_HOST"]
or
req.getRemoteHost();
from an HTTP Web Server.
Thanks,
Francois.

Thanks Doug,
I followed your advice with a slight modification as the name of the parameter is Machine instead of IP.
/XMII/PropertyAccessServlet?mode=Retrieve&PropName=Machine&Content-Type=text/xml
I accessed this system parameter by using the string above as the URL of an XML Query action block from within my existing BSL transactions. This aligns better with our current way of exposing the our MII transactions as Web Services.
Using the XAcute query as proposed by Udayan also works but this would have meant exposing a new interface ( XAcute Query instead of the transaction default Web Service via the /Runner URL).
Thank you both.

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Now I'm wondering how to obtain A and B throught the kerberos login in GSS-API . I have the following code that I use to request a kerberized service but it returns only a KerberosTicket in PrivateCredentialsSet for the Subject. A sessionKey can also be obtained form this KerberosTicket ! Which session key is this ? the session key B described above? and Where to get the Client-to-server ticket (A) described above ?
Thanks for any help !
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lc = new LoginContext("login-client", new TextCallbackHandler());
lc.login();
mysubject = lc.getSubject();
java.util.Set principals = lc.getSubject().getPrincipals();
java.util.Iterator iterador = principals.iterator();
if (iterador.hasNext()){
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for (Iterator i = prvCredentials.iterator(); i.hasNext(); j++) {
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prvKrbCrds = (KerberosTicket[]) mysubject.getPrivateCredentials().toArray(new KerberosTicket[0]);
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}catch(GSSException gsse){
gsse.printStackTrace();
}

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BSL as a Web Service. How to get the client Hostname?

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