“…On the other hand, bargaining protocols are in widespread use [5,16,36]. Such protocols have the following features: they are bilateral, which means that they are carried out between two parties that play the roles of initiator and responder; they are sequential, which means that the same party cannot send two messages in a row, except for negotiation messages that include the rejectNegotiation or the withdraw performatives, which can be sent at any time; finally, messages are proposalbased, which means that they contain one performative and one or more proposals, but they do not include any arguments to convince the other party about accepting a proposal.…”