US Patent No. 10,558,485

INFORMATION PROCESSING APPARATUS AND METHOD FOR SHIFTING BUFFER


Patent No. 10,558,485
Issue Date February 11, 2020
Title Information Processing Apparatus And Method For Shifting Buffer
Inventorship Kazuki Hyoudou, Chofu (JP)
Assignee FUJITSU LIMITED, Kawasaki (JP)

Claim of US Patent No. 10,558,485

1. A non-transitory computer-readable recording medium storing a program that causes a computer including a first processor in which a first thread is executed at a first node having a first reception buffer and a communication device and a second processor in which a second thread is executed at a second node having a second reception buffer,the first thread comprising:
setting an output destination of the communication device to the second reception buffer with respect to a flow addressed to a virtual port of a virtual machine executed in the second processor;
notifying the second processor of a switch notification information of the setting the output destination of the communication device to the second reception buffer; and
transferring a packet stored in the first reception buffer to the second processor, and
the second thread comprising:
receiving the switching notification;
suspending temporarily a reception process of the second reception buffer for the flow;
transferring the packet transferred by the first processor to the virtual port; and
resuming the reception process of the second reception buffer after the packet is transferred to the virtual port.