نتایج جستجو برای: backup hub
تعداد نتایج: 19864 فیلتر نتایج به سال:
A scheme is proposed to provide multiple QoS guarantees for survivable generalised multiprotocol label switching (GMPLS) networks. The shared risk link group (SRLG) information is considered to provide failure-independent protection. Based on the problem formulation, the service level agreement (SLA) parameters, such as the expected recovery failure probability, the expected recovery time and t...
Power consumption has become an important factor in modern storage system design. Power efficiency is particularly beneficial in disk-based backup systems that store mostly cold data, have significant idle periods, and must compete with the operational costs of tape-based backup. There are no prior published studies on power consumption in these systems, leaving researchers and practitioners to...
P2P architecture appears to fit for enterprise backup. In contrast to dedicated backup servers, nowadays a standard solution, making backups directly on organization’s workstations should be cheaper (as existing hardware is used) and more efficient (as there is no single bottleneck server). However, non-dedicated machines cause other challenges. Update propagation algorithms must take into acco...
E cient planning plays a crucial role in model-based reinforcement learning. Traditionally, the main planning operation is a full backup based on the current estimates of the successor states. Consequently, its computation time is proportional to the number of successor states. In this paper, we introduce a new planning backup that uses only the current value of a single successor state and has...
In this paper, we propose a backup path wavelength reassignment scheme that greatly improves the connection blocking probability in an all-optical network without interrupting the service of ongoing traffic flows. The unique feature of our scheme is that it performs wavelength retuning on the backup paths to improve the acceptance probability of new connection requests. We showed through simula...
The frequent change of network topology in mobile ad-hoc network leads to the stability and reliability problems of routing. Many routing schemes such as multi-path routing and backup path routing are proposed to increase the link reliability. Multi-path routing protocols usually concentrate on load balancing or disjoint routing. However, the problem of packet loss caused by re-routing from the...
Mobile ad hoc networks (MANETs) have dynamic topology since all nodes have a random mobility behavior, which increases rerouting frequency and degrades communication performance. A more stable route can prolong route lifetime and reduce rerouting frequency. This paper proposes a Link lifetime based Backup Routing (LBR) protocol to improve route stability. LBR is based on link lifetime. It obtai...
This paper addresses the spare capacity allocation (SCA) problem considering any single node failure in mesh networks. The SCA node failure problem aims at finding backup routes and providing sufficient spare capacity to protect traffic when any single node fails in communication network. Here, we introduce our novel matrix formulation of the arc-flow SCA node failure model. In this model, work...
In order to reduce the impact on the grid scheduling caused by the resource error, for complex dependent tasks, designed a dynamic replication of fault-tolerant scheduling algorithm (DRFT). This algorithm build task model by applying hypergraph theory, using primary-backup task as backup mode, take the active execution mode combined with the passive execution mode to perform the backup task, se...
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