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Graphic overview of Exokernel. Exokernels are much smaller than a normal kernel (monolithic kernel). They give more direct access to the hardware, thus removing most abstractions. Exokernel is an operating system kernel developed by the MIT Parallel and Distributed Operating Systems group, [1] and also a class of similar operating systems.
Container (no resource management, no security) Container (no resource management) Container (resource management) Paravirtualization Full virtualization User-space execution Kernel as Library Kernel as Kernel Driver Hypervisor-Enforced Kernel Partitioning Linux chroot: LXC: Virtio, Hyper-V (guest only), Xen (guest only), VMI (guest only), kvm ...
After graduating from University of Arizona, Engler earned his Ph.D. from the Massachusetts Institute of Technology in 1998 while working with Frans Kaashoek in the MIT CSAIL Parallel and Distributed Operating Systems Group. The focus of his graduate studies was the exokernel. [1] [2] [3]
The California Department of Resources Recycling and Recovery (also known as CalRecycle) is a branch of the California Environmental Protection Agency that oversees the state's waste management, recycling, and waste reduction programs. CalRecycle was established in 2010 to replace the California Integrated Waste Management Board.
BareMetal is an exokernel-based single address space operating system (OS) created by Return Infinity. It is written in assembly to achieve high-performance computing with minimal footprint [ 3 ] [ 4 ] with a "just enough operating system" ( JeOS ) approach. [ 5 ]
A monolithic kernel is an operating system architecture with the entire operating system running in kernel space. The monolithic model differs from other architectures such as the microkernel [ 1 ] [ 2 ] in that it alone defines a high-level virtual interface over computer hardware .
An operating system based on a microkernel like L4 provides services as servers in user space that monolithic kernels like Linux or older generation microkernels include internally. For example, to implement a secure Unix-like system, servers must provide the rights management that Mach included inside the kernel.
System Creator Open source FCAPS functions Management technologies F C A P S Ansible: Red Hat, Ansible Inc. (formerly) Yes ? ? ? ? ? Agentless, SSH: Apple Remote Desktop: Apple: No ? Yes ? ? ? Proprietary, SSH: Bcfg2: Narayan Desai et al. Yes No Yes No No No XML-RPC: Cfengine: Mark Burgess et al. Yes No Yes No No No Proprietary Chef: Progress ...