The Internet Suspend/Resume® (ISR) project
  Liberating personal computing from hardware


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.

   Recent News

February 13, 2008: The 0.9.1 release of the OpenISR platform is now available.

This update provides many performance improvements over the 0.9 release as well as usability improvements. Go to our downloads page for more details, binary packages or source code.

January 10, 2008: The 0.9 release of the OpenISR platform is now available.

This release introduces many changes to the client and server, and is a non-trivial upgrade from the 0.8 series. Check the CHANGES file for a detailed list of changes.

November 28, 2007: The 0.8.4 release of the OpenISR platform is now available.

This update introduces the openisr-config script, adds support for 64-bit VMware hosts, and other bug fixes.

July 11, 2007: The 0.8.3 release of the OpenISR platform is now available.

This update fixes a deadlock problem, and some other small improvements.

April 18, 2007: The 0.8.2 release of the OpenISR platform is now available.

This update fixes a memory leak in the Nexus kernel module, and other small fixes.

March 15, 2007:  The 0.8.1 release of the OpenISR platform is now available.

This is the first public release of the OpenISR platform, the next generation of ISR system software.

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.

Internet Suspend/Resume is a registered trademark of Carnegie Mellon University.
OpenISR is a registered trademark of Carnegie Mellon University.