Access network architecture for multicasting using xDSL and...

Details Access network architecture for multicasting using xDSL and... Access network architecture for multicasting using xDSL and...

2004-12-08

2009-02-10

Chan, Wing F (Department: 2419)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S392000, C370S401000, C370S432000

Reexamination Certificate

active

07489684

ABSTRACT:
IGMP is a protocol for managing and controlling multicast of data streams to a plurality of end users connected to a telecommunications network through an access system. A novel implementation of IGMP for multicasting data streams in an xDSL access network system is disclosed. DSLAM (Digital Subscriber Line Asynchronous Multiplexer) or ASAM (ATM Subscriber Access Multiplexer) is used in the access network system and interfaces between the telecommunications network and the plurality of end users. IGMP signals are terminated at LT (Line Termination). A better scalability of the access system can be achieved, resulting in increased numbers of end users.

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