Method and system for transparent TCP offload with best effort direct placement of incoming traffic

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United States of America Patent

PATENT NO 7693138
SERIAL NO

11489389

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Abstract

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Certain aspects of a method and system for transparent transmission control protocol (TCP) offload with best effort direct placement of incoming traffic are disclosed. Aspects of a method may include collecting TCP segments in a network interface card (NIC) processor without transferring state information to a host processor every time a TCP segment is received. When an event occurs that terminates the collection of TCP segments, the NIC processor may generate a new aggregated TCP segment based on the collected TCP segments. If a placement sequence number corresponding to the generated new TCP segment for the particular network flow is received before the TCP segment is received, the generated new TCP segment may be transferred directly from the memory to the user buffer instead of transferring the data to a kernel buffer, which would require further copy by the host stack from kernel buffer to user buffer.

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Patent Owner(s)

Patent OwnerAddress
AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE LIMITED1 YISHUN AVENUE 7 SINGAPORE 768923

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aloni, Eliezer Zur Yigal, IL 37 670
Corem, Guy Herzlia, IL 11 253
Greenberg, Aviv Netanya, IL 7 148
Grunfeld, Assaf Hod Hasharon, IL 7 148
Hanegbi, Ori Herzlia, IL 7 148
Hirshfeld, Dov Givat Shmuel, IL 13 311
Mizrachi, Shay Hod HaSharon, IL 40 753
Shalom, Rafi Givat Shmuel, IL 37 754
Tamir, Eliezer Beit Shemesh, IL 57 455

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