Efficient buffer utilization for network data units

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United States of America

PATENT NO 11949601
SERIAL NO

17942676

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Abstract

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Approaches, techniques, and mechanisms are disclosed for efficiently buffering data units within a network device. A traffic manager or other network device component receives Transport Data Units (“TDUs”), which are sub-portions of Protocol Data Units (“PDUs”). Rather than buffer an entire TDU together, the component divides the TDU into multiple Storage Data Units (“SDUs”) that can fit in SDU buffer entries within physical memory banks. A TDU-to-SDU Mapping (“TSM”) memory stores TSM lists that indicate which SDU entries store SDUs for a given TDU. Physical memory banks in which the SDUs are stored may be grouped together into logical SDU banks that are accessed together as if a single bank. The TSM memory may include a number of distinct TSM banks, with each logical SDU bank having a corresponding TSM bank. Techniques for maintaining inter-packet and intra-packet linking data compatible with such buffers are also disclosed.

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Patent Owner(s)

  • INNOVIUM, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alapati, Ashwin San Jose, US 5 3
Issa, Mohammad Kamel Los Altos, US 13 19
Jain, Ajit Kumar Cupertino, US 17 54
Mani, Avinash Gyanendra San Jose, US 18 30

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