08490086 is referenced by 10 patents and cites 7 patents.

A computer-implemented method for filtering input/output communications of guest operating systems may include: 1) identifying a guest operating system running in a virtual machine, 2) creating an input/output filtering layer that resides outside the guest operating system, 3) intercepting, at the input/output filtering layer, an input/output communication involving the guest operating system, and then 4) performing a filtering operation on the input/output communication. Various other methods, systems, and computer-readable media are also disclosed.

Title
Filtering I/O communication of guest OS by inserting filter layer between hypervisor and VM and between hypervisor and devices
Application Number
12/495420
Publication Number
8490086 (B1)
Application Date
June 30, 2009
Publication Date
July 16, 2013
Inventor
Kenneth Berryman
San Mateo
CA, US
Randall R Cook
Springville
UT, US
Agent
ALG Intellectual Property
Assignee
Symantec Corporation
CA, US
IPC
G06F 11/00
G06F 9/455
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