The performance of μ-kernel-based systems
Proceedings of the sixteenth ACM symposium on Operating systems principles
Formal requirements for virtualizable third generation architectures
Communications of the ACM
Virtualizing I/O Devices on VMware Workstation's Hosted Virtual Machine Monitor
Proceedings of the General Track: 2002 USENIX Annual Technical Conference
Linux on ITRON: A Hybrid Operating System Architecture for Embedded Systems
SAINT-W '02 Proceedings of the 2002 Symposium on Applications and the Internet (SAINT) Workshops
Memory resource management in VMware ESX server
ACM SIGOPS Operating Systems Review - OSDI '02: Proceedings of the 5th symposium on Operating systems design and implementation
Xen and the art of virtualization
SOSP '03 Proceedings of the nineteenth ACM symposium on Operating systems principles
QEMU, a fast and portable dynamic translator
ATEC '05 Proceedings of the annual conference on USENIX Annual Technical Conference
lmbench: portable tools for performance analysis
ATEC '96 Proceedings of the 1996 annual conference on USENIX Annual Technical Conference
SmartVisor: towards an efficient and compatible virtualization platform for embedded system
Proceedings of the Second Workshop on Isolation and Integration in Embedded Systems
Journal of Network and Computer Applications
Proceedings of the First Workshop on Cryptography and Security in Computing Systems
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Embedded systems are becoming increasingly sophisticated and there exists a wide variety of requirements such as traditional realtime requirements, multimedia support, etc. It is hard to satisfy all of the requirements by a single OS. Would they be satisfied, the system would become complex and this would cause new problems. A multi OS environment is an efficient approach to deal with these problems and to satisfy complex requirements while keeping the system simple. We propose a multi OS environment named the SIGMA system targeted especially at multiprocessor architectures. On the SIGMA system, guest OSes are corresponded one-to-one with cores. As a result, opposing to existing multi OS environment using virtualization techniques, the system does not degrade the performance of the guest OSes. In addition, the guest OS running on the SIGMA system requires almost no modification to its source code.