DSL

Terms
DSL - Digital Subscriber Line
DSLAM - DSL Access Multiplexer
ATU-R - ADSL Termination Unit - Remote.
CPE - Customer Premesis Equipment
NAP - Network Access Provider
NSP - Network Service Provider
ATM - Asynchronous Transfer Mode
RFC 1483 Bridging (IRB)
RBE - Routed Bridged Encapsulation 
PPP - Point to Point Protocol
PPPoE - PPP over Ethernet
PPPoA - PPP Over ATM 
L2TP (PC initiated tunnel)
RFC1483 Routed (IP over ATM)
ADSL = Asymmetric Digital Subscriber Line
HDSL = High-bit-rate Digital Subscriber Line
SDSL = Symmetrical Digital Subscriber Line
VDSL = Very-high-data-rate Digital Subscriber Line
SSG Service Selection Gateway 

Vendors: Cisco, Alcatel, Lucent

DSL 101

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last updated 1 Aug 2003