نتایج جستجو برای: backup strategy
تعداد نتایج: 348085 فیلتر نتایج به سال:
Disk drives are now available with capacity and price per capacity comparable to (and in some cases better than) nearline tape systems. Given disks' superior performance , density and maintainability characteristics, it seems likely that disks will soon overtake tapes as the backup medium of choice. In this paper, we outline the potential advantages of a backup system composed of high-capacity ...
Abstract The existing field power stations mainly use diesel generator sets for supply, with poor supply stability and no uninterrupted capability. Therefore, a hybrid energy storage device is introduced into the station to improve it. According working characteristics of different sources, an management strategy based on differential hysteresis voltage stabilization proposed. Hysteresis contro...
We present a novel peer-to-peer backup technique that allows computers connected to the Internet to back up their data cooperatively: Each computer has a set of partner computers, which collectively hold its backup data. In return, it holds a part of each partner’s backup data. By adding redundancy and distributing the backup data across many partners, a highly-reliable backup can be obtained i...
Since first introduced by Satoshi Nakamoto in 2008, Bitcoin has become the biggest and most well-known decentralized digital currency. Its anonymity allows users all over the world to make transactions with each other and keep their identities hidden. However, protecting private key becomes a very important issue because it is the only access to a unique account and can hardly be recovered if m...
Wireless sensor and actor networks are becoming more and more popular in the recent years. Each WSAN consists of numerous sensors and a few actors working collaboratively to carry out specific tasks. Unfortunately, actors are prone to failure due to harsh deployment environments and constrained power, which may break network connectivity resulting in disjoint components. Thus, maintaining the c...
In real-time systems, tasks have deadlines to be met despite the presence of faults. Primary-Backup (PB) scheme is one of the most common schemes that has been employed for fault-tolerant scheduling of real-time tasks, wherein each task has two versions and the versions are scheduled on two different processors with time exclusion. There have been techniques proposed for improving schedulabilit...
This article develops a model and analysis to provide insight into two effective remedies to increase supply chain resilience: (i) contracting with a secondary flexible backup supplier; and (ii) monitoring primary suppliers to obtain disruption risk information. To investigate the true value of these strategies, an analysis is performed under imperfect information concerning the disruption risk...
the purpose of this study was to investigate iranian efl learners’ beliefs about the role of rote learning (rl) in vocabulary learning strategies; besides, the study examined if english proficiency would influence learners’ vocabulary learning strategy use. this study addresses the need for a clear understanding of the role of rl in efl vocabulary learning by looking at iranian efl learners’ ow...
Keeping nanometer-sized beams in collision is an essential component in achieving design luminosity in a linear collider. The NLC stabilization strategy is conservative by including enough redundancy so that if some part does not work to specification or the incoming beam motion is worse than expected, the beams will still be kept in collision. We show simulation results with both realistic and...
Today, the importance of having 100% uptime for businesses and industries is clear: financial reasons and often strict government regulations for certain industries require 100% business continuity. The concept of business continuity (BC), as Microsoft defines it: the ability of an organization to continue to function even after a disastrous event, accomplished through the deployment of redunda...
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