TCP/IP offloading for virtual machines

Details TCP/IP offloading for virtual machines TCP/IP offloading for virtual machines

2003-12-18

2008-09-09

Ho, Andy (Department: 2194)

Electrical computers and digital processing systems: virtual mac

Virtual machine task or process management

C718S105000, C719S313000, C719S319000, C719S321000, C719S327000

Reexamination Certificate

active

07424710

ABSTRACT:
An engine (TOE) is provided in a virtualized computer system for offloading I/O tasks using any defined protocol such as TCP/IP. The system includes a virtual machine (VM), which has a guest operating system (OS) that runs via a virtual machine monitor (VMM) on a system-level software platform (vmkernel), which also forms the software interface layer to at least one physical network connection device. A TCP/IP stack is included in vmkernel. During normal I/O operation, for sockets associated with TOE, processes in an application layer in the guest OS are able to communicate directly with vmkernel's TCP/IP stack, thereby bypassing the guest OS kernel.

REFERENCES:
patent: 5692193 (1997-11-01), Jagannathan et al.
patent: 6658564 (2003-12-01), Smith et al.
patent: 7111303 (2006-09-01), Macchiano et al.
patent: 2004/0010787 (2004-01-01), Traut et al.

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