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The Point-to-Point Protocol over Ethernet (PPPoE) is a network protocol for encapsulating Point-to-Point Protocol (PPP) frames inside Ethernet frames. It appeared in 1999, in the context of the boom of DSL as the solution for tunneling packets over the DSL connection to the ISP's IP network, and from there to the rest of the Internet.
RFC 2364 describes Point-to-Point Protocol over ATM (PPPoA) as a method for transmitting PPP over ATM Adaptation Layer 5 , which is also a common alternative to PPPoE used with DSL. PPP, PPPoE and PPPoA are widely used in WAN lines. PPP is a layered protocol that has three components: [4]
dsl soc A VDSL connection uses up to seven frequency bands, so one can allocate the data rate between upstream and downstream differently depending on the service offering and spectrum regulations. The first-generation VDSL standard specified both quadrature amplitude modulation (QAM) and discrete multi-tone modulation (DMT).
PPP Point-to-Point Protocol; PPTP Point-to-Point Tunneling Protocol; PAP Password Authentication Protocol; RPR IEEE 802.17 Resilient Packet Ring; SLIP Serial Line Internet Protocol (obsolete) StarLAN; Space Data Link Protocol, one of the norms for Space Data Link from the Consultative Committee for Space Data Systems; STP Spanning Tree Protocol
Digital subscriber line (DSL; originally digital subscriber loop) is a family of technologies that are used to transmit digital data over telephone lines. [1] In telecommunications marketing, the term DSL is widely understood to mean asymmetric digital subscriber line (ADSL), the most commonly installed DSL technology, for Internet access.
It is used mainly with DOCSIS and DSL carriers, by encapsulating PPP frames in ATM AAL5. Point-to-Point Protocol over Asynchronous Transfer Mode (PPPoA) is specified by The Internet Engineering Task Force (IETF) in RFC 2364. [1] It offers standard PPP features such as authentication, encryption, and compression.
The router provides the logical network termination. Common link access methods include PPP over Ethernet , PPP over ATM encapsulated sessions, bridged Ethernet over ATM or Frame Relay (RFC 1483/RFC 1490), or just plain Ethernet. In the case of ATM or Frame Relay based access, individual subscribers are identified by Virtual Circuit IDs.
A DSL modem, which is type of customer-premises equipment. The WAN interface of this device, in this case the DSL port, could expose CWMP to the internet service provider . Technical Report 069 ( TR-069 ) is a document by the Broadband Forum that specifies the CPE WAN Management Protocol ( CWMP ).