YPService simple example

[Einhuf]

Hello together,
currently I´m writing on my diploma thesis and I want/(have to) to use
cougaar as my agent platform for some use case implementations. I am totally
new to cougaar and spent a day to browse thought the architecture and
developers guide to get an idea of the framework. For my purpose I only need
the possibility to send messages to other agents and to find them by a
service-description and yellow page service. All other stuff will be done by
an external state machine (role concept).

Today I tried to do the pizza example, but I don´t get the way how to use
the YPService. Now I wanted to ask, if anybody has a tutorial only about
Service Discovery on a simpler level. What I need is, that an agent
registers like "I am ServiceType A" and others can search for them by saying
"I search for ServiceType A" and gets a collection of AgentIDs. Afterwards,
I want to talk to these agents to negotiate about an service exection.
That´s all, but I can´t extract this simple situation out of the pizza
tutorial example. I am now at the SimpleSDClientPlugin and I can´t follow
the process. Its really confusing to me, what is happening in this example.
I am not firm to the plugin concept and I really lost the thread now, trying
to understand what happens. Can anybody help me or send code to me, where
service discovery is simpler?
 I will try to go on tomorrow, but maybe can anyone help me with easier code
examples without all pizza application specific features.
Thanks a lot, best regards from Munich, Germany,
Thomas
<http://dict.leo.org/ende?lp=ende&p=eL4jU.&search=architecture>
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