Aggregation switch apparatus for broadband subscribers

Details Aggregation switch apparatus for broadband subscribers Aggregation switch apparatus for broadband subscribers

2005-04-29

2009-11-24

Rao, Seema S (Department: 2416)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S420000, C370S429000, C370S432000, C370S440000, C370S468000

Reexamination Certificate

active

07623453

ABSTRACT:
An aggregation switch apparatus for broadband subscribers is disclosed. The apparatus includes: an upstream input buffering unit for buffering packets from more than one subscriber link; a scheduling unit for aggregating the packets to more than one upstream link and scheduling a transfer order; a rate match buffering unit for buffering a transfer rate difference between an output of the upstream input buffering unit and an output of more than one upstream link; a downstream destination identifying unit for identifying a destination of more than one subscriber link of the packets; a broadcasting unit for transferring the packets to terminals of the broadcasting unit; a packet selecting unit for selecting a corresponding packet by identifying a destination port of more than one subscriber link of the packets; and a downstream output buffering unit for buffering the packets outputted from the packet selecting unit to said more than one subscriber link.

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Michael V. Lau et al., “Gigabit Ethernnet Switches Using a Shared Buffer Architecture”, IEEE Communications Magazine, Dec. 2003, pp. 76-84.

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