Overhead engine for telecommunications nodes
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United States of America Patent
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Issued Date -
Jan 15, 2004
app pub date -
Jul 11, 2002
filing date -
Jul 11, 2002
priority date (Note) -
Abandoned
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Abstract
A novel overhead engine for processing overhead blocks (e.g., SONET/SDH overhead rows of 3 bytes, etc.) in a telecommunications node is disclosed. Some embodiments of the present invention advantageously employ a single instance of logic to process overhead blocks for all of a node's input ports. The illustrative embodiment comprises a plurality of multiport cell processors for generating output overhead cells based on input overhead cells, a dispatcher for dispatching input overhead cells to the multiport cell processors, a plurality of aggregators for combining output overhead cells into output overhead blocks, and a scheduler for controlling the order in which output overhead blocks are sent to output processors associated with a node's output ports.
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