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The Internet Suspend/Resume (ISR) model of mobile computing cuts the tight binding between PC state and PC hardware. By layering a virtual machine on distributed storage, the ISR system lets the VM encapsulate execution and user customization state; distributed storage then transports that state across space and time.
The OpenISR® platform is the latest implementation of the ISR system developed at Carnegie Mellon University. In addition to a new, robust client implementation, the OpenISR platform will also make use of Content Addressable Storage (CAS) for distributed storage. Other goals of the system include VMM independence, support for transient thin-client mode, guest-aware migration, and cross-parcel data sharing.
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Recent News
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August 26, 2015: A preview of the next-generation OpenISR
platform is now available.
An early preview of the next-generation OpenISR platform is
now available
on GitHub. This new incarnation of Internet Suspend/Resume is based on
VMNetX,
the client for the Olive
Executable Archive. Novel features include:
- Graphical user interface
- Trickle reintegration of modified disk and memory state
- Native support for QEMU/KVM via libvirt
- Completely HTTP-based network protocol
- Client-directed parcel creation
February 24, 2011: The 0.10.1 release of the OpenISR platform is now
available.
Changes in this release include:
- Support VirtualBox 4.0.4 and above
- Support KVM on RHEL 6
- Allow showing image cache state in dirtometer
- Various other improvements
Pocket ISR has also been updated to version 0.10.1-1.
For release details and information on older releases, see the
CHANGES file.
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To contact us about the OpenISR software or other technical matters, email isr@cs.cmu.edu. For collaboration, corporate interest, and all other issues, contact Professor M. Satyanarayanan.
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Internet Suspend/Resume and OpenISR are registered trademarks of Carnegie
Mellon University.
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