OS: Windows Server 2003
I´ve set the option tcpNoDelay="false" in Tomcat HTTP-Connector Config.
This seems to be the solution. Now the Response-Latency is acceptable.
No, there is no configuraion for this within JBossWS. However the tomcat configuration might be good starting point. It might as well be possible to change the default Socket Factory properties for the VM.
It would be nice if you could share your experience with others using the WIKI: http://jbws.dyndns.org/mediawiki/index.php?title=JBossWS