The method by which data is recovered depends on several factors, including the age of the device, the sophistication of the hardware, and the extent of the storage device failure. If the damage is physical in nature, data recovery experts will attempt to repair the device by replacing affected hardware components. In the case of logical damage, specialized software that can clone raw data and copy it to a new device may be employed.
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The management and data plane of Cisco UCS is designed for high availability and redundant access layer fabric interconnects. In addition, Cisco UCS supports existing high availability and disaster recovery solutions for the data center, such as data replication and application-level clustering technologies.
If the system uses the native VMware drivers, the virtual switch is out of the network administrator's domain and is not subject to any network policies. As a result, for example, quality of service policies on the network are not applied to any data packets traveling from VM1 to VM2 through the virtual switch.
A software package was developed that mimics the operation of a microscope by viewing high-resolution images, including pathologic images using a computer. Through a movable and adjustable virtual objective lens on a virtual microscopic slide, it can display any area of a high-resolution digital image at different magnifications in real time in a way closely resembling a microscope. It has both magnifying glass and virtual microscope functions. This program can post, manipulate, package, protect, retrieve, view, and analyze high-resolution images via the Internet, Intranet, or other types of network. It can access and view images from a remote computer or be used as a stand-alone program. In addition, it has functions for image analysis by measuring the images on the computer monitor and displaying the real magnifications of the displayed images all the time. Patient information can also be attached to the images for instant access. This system also contains an image database and has access to a distant image database of typical pathologic image collections for instant comparison, a feature ideal for diagnosis, training, and standardization. Other functions include videoconference, whiteboard, e-mail, etc. The system operates as a digital microscope but provides capabilities beyond a conventional microscope.
Construction of an object-oriented relational database with automated Web-publishing capabilities is the key. Modern databases can provide reliable and secure data management and support potentially tens of thousands of users, with virtually no limits on the type or amount of data stored. A complementary product, Oracle WebDB, is a browser-based, self-service content publishing and development solution that allows end users to build dynamic, data-driven Web sites entirely within a browser-based environment utilizing the data within the underlying object-oriented relational database. Since all the content is stored in the database, Oracle WebDB automatically leverages all the benefits of the database, including reliability, accessibility, scalability, and security.
Todd DeShane (S4) is a Ph.D. student in engineering science fromClarkson University. He also has a Master of Science in computerscience and a Bachelor of Science in software engineering from Clarkson.While at Clarkson University, he has had a variety of researchpublications, many involving Xen. In 2005 a project that was based onTodd's Masters thesis—an open source collaborative, large databaseexplorer—won first place in the UNISYS TuxMasters Invitational. Todd'sprimary academic and research interests are in the area of operatingsystem technologies, such as virtual machine monitors, highavailability, and file systems. His doctoral dissertation focuses onusing these technologies to provide desktop users with anattack-resistant experience, with automatic and autonomic recovery fromviruses, worms, and adverse system modifications. During his Ph.D. years,Todd has been a teaching assistant and an IBM Ph.D. Fellowshiprecipient. At IBM Todd has worked on internship projects involving Xenand IBM technologies. Todd enjoys teaching, tutoring, and helpingpeople.Todd is a co-author of the book Running Xen: A Hands-onGuide to the Art of Virtualization.
A databus known as TTP/C was developed for the needs ofthe emerging automotive "by-wire" industry [4]. Its goals were to provide replica determinismwhile living within the cost constraints of the automotive marketplace.Because of its low cost, it has also found applications within the aerospacemarket. TTP/C is a TDMA-basedserial communications protocol that provides synchronization in deterministicmessage communication over dual redundant physical media. TTP/C also provides a membership service at the protocol level.The function of the membership service is to provide global consensus onmessage distribution and system state. Addressing the consensus problem at theprotocol level can greatly reduce system software complexity. However, placinga requirement for protocol level consensus leaves the protocol itselfvulnerable to a Byzantine failure. The FIT projectconfirmed the possibility of this vulnerability by observing actual occurrencesof such failures [5].
A databus known as TTP/C was developedfor the needs of the emerging automotive "by-wire"industry [4]. Its goals were to providereplica determinism while living within the cost constraints of theautomotive marketplace. Because of its low cost, it has also foundapplications within the aerospace market.TTP/C is aTDMA-based serial communicationsprotocol that provides synchronization in deterministic messagecommunication over dual redundant physical media.TTP/C also provides a membershipservice at the protocol level. The function of the membership service isto provide global consensus on message distribution and system state.Addressing the consensus problem at the protocol level can greatlyreduce system software complexity. However, placing a requirement forprotocol level consensus leaves the protocol itself vulnerable to aByzantine failure. The FIT projectconfirmed the possibility of this vulnerability by observing actualoccurrences of such failures []. 2ff7e9595c
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