My understandings for call back under SOAP are (please correct me if I
am wrong):
        1. Client and server switch rolls (during the call back, server
initialized the connection to the client first). 
        2. Both server and client need to have web application server
running (Apache Tomcat for example).
        
My question is it possible for me to have a SOAP call back without
setting up a web application server at the client-side? 

Thank you,

Hongda Lin



-----Original Message-----
From: Scott Nichol [mailto:[EMAIL PROTECTED]] 
Sent: Friday, August 02, 2002 10:04 AM
To: [EMAIL PROTECTED]
Subject: Re: Question: Does SOAP support call-back?

It does not support call back in a way like RMI.

SOAP lacks many capabilities that RMI has.  The SOAP 1.1 spec lists in
Design Goals the following things that SOAP does *not* do:

  a.. Distributed garbage collection
  b.. Boxcarring or batching of messages
  c.. Objects-by-reference (which requires distributed garbage
collection)
  d.. Activation (which requires objects-by-reference)
Scott Nichol

----- Original Message -----
From: "Hongda Lin" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, August 02, 2002 9:08 AM
Subject: Question: Does SOAP support call-back?


Hi,

            I am trying to switch from JAVA RMI to SOAP. Does SOAP
support call-back? If it does, how? Thank you.






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