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Contemporary Software Systems - Case Study Example

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The paper 'Contemporary Software Systems' presents problems that create challenges and opportunities for broad new OS research. The areas, where broad OS research could significantly improve the current user experience, are dependability, security, system configuration…
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Contemporary Software Systems
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Download file to see previous pages The Singularity OS is first and foremost a research system.  Singularity strives for minimalism and design clarity and makes extensive use of modern languages and tools. Microsoft is making a prototype Operating system available free to academic and research communities so that they can use it to develop new computer architectures. The design of Singularity makes it easy to test how the operating system and other applications interact with each other. Singularity will improve software reliability and boost research in programming language and tools. Singularity is based on advances in programming languages and programming tools to develop and build a new system architecture and operating system (named Singularity), with the aim of producing a more robust and dependable software platform. Although dependability is difficult to measure in a research prototype, Singularity shows the practicality of new technologies and architectural decisions, which should lead to more robust and dependable systems in the future.
The Singularity system consists of three key architectural features: software-isolated processes, contract-based channels, and manifest-based programs. A key aspect of Singularity is an extension model based on Software-Isolated Processes (SIPs), which encapsulate pieces of an application or a system and provide information hiding, failure isolation, and strong interfaces. SIPs are the OS processes on Singularity. All code outside the kernel executes in a SIP. SIPs differ from conventional operating system processes in a number of ways:
Communication between SIPs is through bidirectional, strongly typed, higher-order channels. A channel specifies its communications protocol as well as the values transferred, and both aspects are verified.
A key focus of Singularity research is improving system dependability. ...Download file to see next pagesRead More
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