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WCF provides a standard set of bindings – you can use NetTcpBinding if you would like to use TCP communication that cross machine boundaries. NetTcpBinding is secure and message packets are signed and encrypted by default. You can also use WSHttpBinding to establish a secure session of communication. WSFederationHttpBinding is a good choice if you would like to implement secure communication in federated security scenerios. Each of the binding types supported in WCF can have the following security modes: None, Transport, Message, Both, TransportWithMessageCredential, and TransportCredentialOnly. At Wedding Paperie we pride ourselves in providing exceptional wedding stationery and wedding invitations as well as personalized customer care. We know how important and special your wedding day is and we are here to help with all your wedding stationery needs.