Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2007-10-16
2007-10-16
Kizou, Hassan (Department: 2616)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S471000, C370S473000, C370S474000, C370S475000, C370S476000
Reexamination Certificate
active
10256611
ABSTRACT:
One embodiment of the present invention provides a system that facilitates offloading message segmentation from a central processing unit onto a network interface card. The system operates by first receiving a TSO-send message at the network interface card, wherein the TSO-send message contains information about the message to be sent. Next, the system uses a header address from the TSO-send message to access a message header from memory using remote direct memory access. The system then uses a payload address from the TSO-send message to access a payload from memory that contains message data using remote direct memory access. Finally, the network interface card segments the payload into a set of maximum segment size (mss) segments and transmits the set of mss segments on the network.
REFERENCES:
patent: 5937169 (1999-08-01), Connery et al.
patent: 7035291 (2006-04-01), Grinfeld
patent: 2002/0163888 (2002-11-01), Grinfeld
patent: 2003/0002497 (2003-01-01), Vasudevan
patent: 2003/0172342 (2003-09-01), Elzur
Kizou Hassan
Park Vaughan & Fleming LLP
Patel Jay P.
LandOfFree
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