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CHAPTER 12 ■ DEVELOPING PEER-TO-PEER APPLICATIONS WITH WCF 383ramrameshreddy.blog.comListing 12-1. IQuickReturnTraderChat Service Contract[ServiceContract()]public interface IQuickReturnTraderChat{[OperationContract(IsOneWay = true)]void Say(string user, string message);}Service ConfigurationListing 12-2 shows the service side of the configuration. This application listens at the net.p2p//QuickReturnTraderChat address. Being a P2P application, the binding is set to netPeerTcpBinding,and the contract for the endpoint is set to QuickReturnTraderChat.IQuickReturnTraderChat,which follows the Namespace.Interface format. The binding configuration is intentionally keptseparate (shown later in Listing 12-3).Listing 12-2. Service ConfigurationBinding Configuration FileAs we stated earlier, a P2P application’s binding is set to netPeerTcpBinding and the resolvermode to Pnrp (see Listing 12-3). Since this application is not secure, we have the security modeswitched off by setting this to None.ramrameshreddyramrameshreddy