Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2006-12-15
2009-12-08
Phunkulh, Bob A (Department: 2419)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S489000, C710S300000, C709S203000, C709S217000
Reexamination Certificate
active
07630369
ABSTRACT:
One embodiment of the present invention sets forth a technique for establishing high user priority for Ethernet frames related to demand-paging operations over iSCSI. The iSCSI initiator is configured to identify demand-page operations using techniques specific to the operating system and to set the 802.1q tag control information (TCI) user priority bit field to reflect high priority for demand-page related Ethernet frames. The demand-page related Ethernet frames are then delivered to the iSCSI target with a higher priority through the intervening Ethernet network than other traffic. Overall performance of demand paging operations is improved relative to prior art systems through an average reduction in network latency.
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Currid Andrew
Overby Mark A.
NVIDIA Corporation
Patterson & Sheridan LLP
Phunkulh Bob A
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