Point-to-Point Protocol over Ethernet(A specification for connecting users on an Ethernet network to the Internet through a broadband connection, such as a single DSL line, wireless device, or cable modem. Using PPPoE and a broadband modem, LAN users can gain individual authenticated access to high-speed data networks. By combining Ethernet and Point-to-Point Protocol (PPP), PPPoE provides an efficient way to create a separate connection for each user to a remote server)
privilege attribute certificate(An item provided and signed by the DCE security server that is both a proof of identity and a list of group memberships)
