Negotiation Protocol Inter Agents in an Electronic Market

In this paper, we present a new environment of negotiation in a multi-agents system for the electronic market. Our environment presents two protocols of negotiation, namely; the protocol of negotiation by auction and the contract net protocol. The choice of the protocol to be used, is made according to the type of product negotiate, for certain products, we use the auction, and for others we use the technique of contract net protocol.