نتایج جستجو برای: backup hub
تعداد نتایج: 19864 فیلتر نتایج به سال:
Burt is a freely distributed parallel network backup system written at the University of Wisconsin, Madison. It is designed to backup large heterogeneous networks. It uses the Tcl scripting language and standard backup programs like dump(1) and GNUTar to enable backups of a wide variety of data sources, including UNIX and Windows NT workstations, AFS based storage, and others. It also uses Tcl ...
Introduction Fail-proof data backup and recovery is more critical to an organization’s survival than ever before as few businesses can survive for any period of time without their IT function. With so much reliance on electronic data, an organization can lose millions of dollars associated with lost data including its competitive advantage and credibility as in the case of security breaches. Im...
Database systems provide media recovery by talcing periodic backups and applying a recovery log to a backup to r’estore the failed media. A transaction-time database is one that retains multiple versions of data, recording with each version the time of the transaction that created it. Such a database provides access to historical versions based on transaction time, and permits reconstruction of...
Using covering problems (CoP) combined with binary search is a well-known and successful solution approach for solving continuous center problems. In this paper, we show that this is also true for center hub location problems in networks. We introduce and compare various formulations for hub covering problems (HCoP) and analyse the feasibility polyhedron of the most promising one. Computational...
Data protection is the process of backing up data in case of a data loss event. It is one of the most critical routine activities for every organization. Detecting abnormal backup jobs is important to prevent data protection failures and ensure the service quality. Given the large scale backup endpoints and the variety of backup jobs, from a backup-asa-service provider viewpoint, we need a scal...
We present a system which enables a user to remove a le from both the le system and all the backup tapes on which the le is stored. The ability to remove les from all backup tapes is desirable in many cases. Our system erases information from the backup tape without actually writing on the tape. This is achieved by applying cryptography in a new way: a block cipher is used to enable the system ...
Through observations from real life hub networks, we introduce the multimodal hub location and hub network design problem. We approach the hub location problem from a network design perspective. In hub network design problem, we jointly consider transportation costs and travel times, which are studied separately in most hub location problems presented in the literature. We allow different trans...
PURPOSE The American College of Cardiology, the American Heart Association, and the Society for Cardiovascular Angiography and Interventions strongly recommend that primary Percutaneous Coronary Intervention (PCI) should be performed in facilities that have an experienced cardiovascular surgical team available as emergency backup for all procedures. The current study investigates the medical so...
Abstract One of the basic assumptions in hub covering problems is considering the covering radius as an exogenous parameter which cannot be controlled by the decision maker. Practically and in many real world cases with a negligible increase in costs, to increase the covering radii, it is possible to save the costs of establishing additional hub nodes. Change in problem parameters during the pl...
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