Flow-aware ethernet digital subscriber line access...

Details Flow-aware ethernet digital subscriber line access... Flow-aware ethernet digital subscriber line access...

2005-11-03

2009-10-06

Cho, Hong (Department: 2419)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S352000, C370S395430

Reexamination Certificate

active

07599366

ABSTRACT:
An access node (1) that is preferably a Flow-Aware Ethernet DSLAM configured to transmit Ethernet data frames between subscribers (2) and an aggregation network (3). The access node comprises a first memory (4) for storing classification rules and a second memory (6) for storing flow rules. These rules are applied by a classification agent (5) and by a service agent (7) to information extracted from incoming data frames in order to infer flow awareness information of outgoing frames corresponding to these incoming data frame. In this way, the subscriber access network evolves to a multi-service architecture by replacing ATM with Ethernet for cost reasons. The concept of “flow awareness” is applied to the present access node. With respect to known tunnel-based Ethernet DSLAMs, the present access node removes all dependency on correct encapsulation or labeling at the customer side and at the service provider side.

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