Method to synchronize and upload an offloaded network stack...

Details Method to synchronize and upload an offloaded network stack... Method to synchronize and upload an offloaded network stack...

2007-01-30

2007-01-30

Dharia, Rupal (Department: 2141)

Electrical computers and digital processing systems: multicomput

Computer-to-computer data routing

C709S230000, C709S250000

Reexamination Certificate

active

11047479

ABSTRACT:
A method to synchronize and upload an offloaded network stack connection between a host network stack and processing device is presented. A state object for each layer in the stack is sent to the device that includes state variables that are classified as a constant, a cached variable handled by the host, or a delegated variable handled by the device. State that must be updated by the network stack and the processing device is cleanly divided. For example, statistics are tracked by the host, the device, or the host and the device. A statistic tracked by both the host and processing device is divided into non-overlapping portions and combined to produce the statistic. Once an upload is initiated, the device achieves a consistent state and hands delegated states to the stack. Each layer in the stack takes control of its delegated state and resources at the device are freed.

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