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PPPoA Baseline Architecture
This document describes an end-to-end asymmetric digital subscriber line (ADSL) architecture using Point-to-Point Protocol over Asynchronous Transfer Mode (PPPoA). Although most deployments are based on the bridging architecture, PPPoA is gaining tremendous popularity and will form a larger portion of future ADSL deployments.
RFC 1483 (RFC1483)
Multiprotocol Encapsulation over ATM Adaptation Layer 5.