Remote Access and Point to Point Protocols

Remote Access Protocols: Remote Access Protocols are used to provide connection to a network or specific devices from an outside source such a servers, clients or other networks ensuring that connections can be established, authenticated and protected. The standard protocol to dialling up the connection and connect one modem with other is Point to Point Protocol (PPP).

Point-to-Point protocol is used to create dial-up connections between a dial-up client and a remote access server, or between a dial-up client and an Internet Service Provider (ISP) and the ISP also provide authentication and protection using one of several different authentication protocols like PAP, CHAP and EAP with TLS.

Point-to-Point protocol over Ethernet combines the PPP commonly used in dial up connections, with the Ethernet protocol, which supports multiple users in a local area network. This specification (PPPoE) allow a virtual point to point connection using Ethernet by encapsulating the PPP frames inside Ethernet frames. Basically is the protocol PPPoE is compatible with all authentication protocols that PPP use such a CHAP and EAP with TLS. So that it’s mean the ISP does not need to reinvest in new technologies.