Data Confidentiality Connection Confidentiality Protection of all user data on a connection Connectionless Confidentialit Protection of all data within a single data block Selective-Field Confidentiality Insure confidentiality of selected fields with within the user data on a connection or in a single data block connection Traffic- Flow Confidentiality Protection of information that might be derived by observing the traffic flow patterns13 Data Confidentiality • Connection Confidentiality – Protection of all user data on a connection • Connectionless Confidentiality – Protection of all data within a single data block • Selective-Field Confidentiality – Insure confidentiality of selected fields with within the user data on a connection or in a single data block connection • Traffic-Flow Confidentiality – Protection of information that might be derived by observing the traffic flow patterns