NDLI: A caching model of operating system kernel functionality ( OSDI '94 )

Content Provider	ACM Digital Library
Author	Duda, Kenneth J. Cheriton, David R.
Abstract	Operating system research has endeavored to develop micro-kernels that provide modularity, reliability and security improvements over conventional monolithic kernels. However, the resulting kernels have been slower, larger and more error-prone than desired. These efforts have also failed to provide sufficient application control of resource management required by sophisticated applications. This paper describes a caching model of operating system functionality as implemented in the Cache Kernel, the supervisor-mode component of the V++ operating system. The Cache Kernel caches operating system objects such as threads and address spaces just as conventional hardware caches memory data. User-mode application kernels handle the loading and writeback of these objects, implementing application-specific management policies and mechanisms. Experience with implementing the Cache Kernel and measurements of its performance on a multiprocessor suggest that the caching model can provide competitive performance with conventional monolithic operating systems, yet provides application-level control of system resources, better modularity, better scalability, smaller size and a basis for fault containment.
File Format	PDF
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1994-11-14
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article

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A caching model of operating system kernel functionality ( OSDI '94 )