Virtual memory protocol segmentation offloading

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United States of America Patent

PATENT NO 8964785
SERIAL NO

13853326

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Abstract

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Methods and systems for a more efficient transmission of network traffic are provided. According to one embodiment, a user process of a host processor requests a network driver to store payload data within a system memory. The network driver stores (i) payload buffers each containing therein at least a subset of the payload data and (ii) buffer descriptors each containing therein information indicative of a starting address of a corresponding payload buffer within a user memory space. A network processor transmits onto a network the payload data within multiple transport layer protocol packets by (i) causing a network interface to retrieve the payload data from the payload buffers by performing direct virtual memory addressing of the user memory space using the buffer descriptors and information contained within a translation data structure stored within the system memory; and (ii) segmenting the payload data across the transport layer protocol packets.

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Patent Owner(s)

  • FORTINET, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, David San Jose, US 286 8229
Huang, Lin Fremont, US 215 1947
Zhang, Guansong Mountain View, US 29 243
Zhou, Xu Milpitas, US 90 754

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