From: mgawinecki@gmail.com   
      
   Hello   
      
   We've, I mean our team, started to design system with agents   
   negotiating. Generally speaking, Shop is registering on the list   
   Clients interested in negotiation. Situation seemed easy and we try to   
   structure this problem in terms interaction protocols, when each agent   
   has limited number of acts to perform and each participant knows in   
   advance what his/her peers can answer.   
      
   The problem arises when we would like add any new functionality to the   
   system with pre-defined protocol. E.g. Another Shops'Agent,   
   WarehouseAgent, informs Shop about new conditions of negotiations and   
   makes that out of protocol sequence (because of its pro-activity). Then   
   all registered Clients must be informed by the Shop Agent.   
      
   Also between moments of negotiation start and after registration each   
   Client could have the possibility to cancel registration.   
      
   I know JADE environment quite well and complexity of the system seems   
   to grow exponentially. I wonder whether in this situation usage of BDI   
   architecture would solve the problem and let us focus on different   
   situations, not on synchronizing JADE behaviours ?   
      
   Regards,   
   Maciej   
      
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