In computer architecture, an IOMMU (I/O memory-management unit) translates I/O-virtual memory addresses to corresponding physical memory addresses, making direct memory access by devices safe and efficient. In computer networking, a virtual private network (VPN) represents a logically isolated private network, where the isolation is provided using cryptographic methods to secure data that may in fact traverse the public Internet. Even within the narrower context of computer I/O, virtualization has a long, diverse history, exemplified by logical devices that are deliberately separate from their physical instantiations.įor example, in computer storage, a logical unit number (LUN) represents a logical disk that may be backed by anything from a partition on a local physical drive to a multidisk RAID volume exported by a networked storage array. You are currently browsing the archives for the virtualization category.The term virtual is heavily overloaded, evoking everything from virtual machines running in the cloud to avatars running across virtual worlds. To submit a manuscript, please log on to ScholarOne to create or access an account, which you can use to log on to IC’s Author Center and upload your submission. We do not accept white papers, and we discourage strictly theoretical or mathematical papers. All manuscripts are subject to peer review on both technical merit and relevance to IC’s international readership-primarily system and software design engineers. Questions? Contact Guest Editors Fred Douglis and Orran Krieger.Īll submissions must be original manuscripts of fewer than 5,000 words, focused on Internet technologies and implementations. performance (in a network context) andĮditors’ note: We encourage submissions from both academic and industrial practitioners, especially as they pertain to open source tools or products, but content must have technical merit, not be an advertisement.This special issue seeks articles from both industry and academia that discuss the application and development of virtualization in the Internet computing space. ![]() Virtualization lets producers efficiently support many tenants while strongly isolating them from each other, and consumers to be isolated from the specifics of providers’ physical capacity, allowing, for example, virtual machines to move between different computers and even clouds. A key recent use of virtualization is to enable infrastructure-as-a-service clouds. All these have an enormous impact on Internet computing. Although virtual machines are the most obvious example, others include desktop sharing (VNC), virtual networks, virtual storage, and many more. In the past several years virtualization has gone mainstream, and more and more resources are virtualizable. This layer of indirection has helped address a multitude of problems, including efficiency, security, high availability, elasticity, fault containment, mobility, and scalability. ![]() One of the most famous adages in computer science is that “any problem in computer science can be solved by an extra level of indirection.” Increasingly, that level of indirection takes the form of virtualization, where a resource’s consumers are provided with a virtual rather than physical version of that resource. Please email the guest editors a brief description of the article you plan to submit by 15 June 2012. IEEE Internet Computing is soliciting papers for a special issue on Virtualization.
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