Undefeatable transformation for virtual machine I/O operations

Details Undefeatable transformation for virtual machine I/O operations Undefeatable transformation for virtual machine I/O operations

2007-08-20

2011-11-15

To, Jennifer (Department: 2195)

Electrical computers and digital processing systems: virtual mac

Virtual machine task or process management

C711S006000, C713S187000, C713S188000, C713S189000, C726S001000

Reexamination Certificate

active

08060877

ABSTRACT:
I/O operations between a virtual machine (VM) and a device external to the VM are monitored by a virtual machine monitor (VMM). Data passing between the VM and the external device is transformed by the VMM, in some cases only when a predetermined filtering or triggering condition is met. Because the VMM, and thus the transformation operation, is transparent to the VM, the transformation cannot be prevented or undone or even affected by any action by a user of the VM. Examples of the non-defeatable transformation of I/O data include generating display overlays such as banners, masking out portions of a display, encryption, compression and network shaping such as bandwidth limiting.

REFERENCES:
patent: 4172213 (1979-10-01), Barnes et al.
patent: 4918653 (1990-04-01), Johri et al.
patent: 4937861 (1990-06-01), Cummins
patent: 5224166 (1993-06-01), Hartman
patent: 5450595 (1995-09-01), Chen et al.
patent: 5606613 (1997-02-01), Lee et al.
patent: 5666516 (1997-09-01), Combs
patent: 5784459 (1998-07-01), Devarakonda et al.
patent: 5987440 (1999-11-01), O'Neil et al.
patent: 5995623 (1999-11-01), Kawano et al.
patent: 6070245 (2000-05-01), Murphy et al.
patent: 6071317 (2000-06-01), Nagel
patent: 6370619 (2002-04-01), Ho et al.
patent: 6374266 (2002-04-01), Shnelvar
patent: 6470423 (2002-10-01), Ho et al.
patent: 6584612 (2003-06-01), Mueller et al.
patent: 6587945 (2003-07-01), Pasieka
patent: 6804819 (2004-10-01), Bates et al.
patent: 6922774 (2005-07-01), Meushaw et al.
patent: 6931531 (2005-08-01), Takahashi
patent: 6971018 (2005-11-01), Witt et al.
patent: 6986043 (2006-01-01), Andrew et al.
patent: 7010655 (2006-03-01), Harmer et al.
patent: 7024555 (2006-04-01), Kozuch et al.
patent: 7035963 (2006-04-01), Neiger et al.
patent: 7149901 (2006-12-01), Herbert et al.
patent: 7152165 (2006-12-01), Maheshwari et al.
patent: 7260820 (2007-08-01), Waldspurger et al.
patent: 7428636 (2008-09-01), Waldspurger et al.
patent: 7818808 (2010-10-01), Neiger et al.
patent: 7890754 (2011-02-01), Waldspurger et al.
patent: 2001/0018736 (2001-08-01), Hashimoto et al.
patent: 2002/0032691 (2002-03-01), Rabii et al.
patent: 2002/0065924 (2002-05-01), Barrall et al.
patent: 2002/0066038 (2002-05-01), Mattsson et al.
patent: 2002/0069241 (2002-06-01), Narlikar et al.
patent: 2002/0069323 (2002-06-01), Percival
patent: 2002/0073276 (2002-06-01), Howard et al.
patent: 2002/0078049 (2002-06-01), Samar
patent: 2002/0087883 (2002-07-01), Wohlgemuth et al.
patent: 2002/0143842 (2002-10-01), Cota-Robles et al.
patent: 2002/0161908 (2002-10-01), Benitez et al.
patent: 2002/0169987 (2002-11-01), Meushaw et al.
patent: 2002/0178176 (2002-11-01), Sekiguchi et al.
patent: 2003/0009538 (2003-01-01), Shah et al.
patent: 2004/0153642 (2004-08-01), Plotkin et al.
patent: 2005/0033966 (2005-02-01), Johnson, Jr.
patent: 2005/0044364 (2005-02-01), Johnson, Jr.
patent: 2006/0015718 (2006-01-01), Liu et al.
patent: 2006/0123250 (2006-06-01), Maheshwari et al.
patent: 2006/0136735 (2006-06-01), Plotkin et al.
patent: 2008/0072071 (2008-03-01), Forehand et al.
patent: 2008/0313128 (2008-12-01), Arasu et al.
Lie et al., “Architectural Support for Copy and Tamper Resistant Software”, Computer Systems Laboratory, Stanford University, ACM, pp. 168-177 (2000).

Affiliated with

Also associated with

Rating

Undefeatable transformation for virtual machine I/O operations does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Undefeatable transformation for virtual machine I/O operations, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Undefeatable transformation for virtual machine I/O operations will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4305878