Achieving efficient agreement within a dual-failure cloud-computing environment

Wang, Shun-Sheng; Yan, Kuo-Qin; Wang, Shu-Ching

doi:10.1016/j.eswa.2010.07.072

Cited by 29 publications

(21 citation statements)

References 19 publications

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“…The algorithm works a cloud system based on HDFS technology and decides to place replicas considering the current workload on the nodes and conforming to a lower bound on the number of total replicas that are created. Wang et al [18] present a prediction based centralized cloud data replication technique that considers weighting factor for replication decision.…”

Section: Related Workmentioning

confidence: 99%

On the Dynamic Maintenance of Data Replicas based on Access Patterns in A Multi-Cloud Environment

Shorfuzzaman

2017

ijacsa

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Abstract-Cloudcomputing provides services and infrastructures to enable end-users to access, modify and share massive geographically distributed data. There are increasing interests in developing data-intensive (big data) applications in this computing environment that need to access huge datasets. Accessing such data in an efficient way is deterred with factors such as dynamic changes in resource availability, provision of diverse service quality by different cloud providers. Data replication has already been proven to be an effective technique to overcome these challenges. Replication offers reduced response time in data access, higher data availability and improved system load balancing. Once the replicas are created in a multi-cloud environment, it is of utmost importance to continuously support maintenance of these replicas dynamically. This is to ensure that replicas are located in optimal data center locations to minimize replication cost and to meet specific user and system requirements. First, this paper proposes a novel approach to distributed placement of static replicas in appropriate data center locations. Secondly, motivated by the fact that a multi-cloud environment is highly dynamic, the paper presents a dynamic replica maintenance technique that reallocates replicas to new data center locations upon significant performance degradation. The evaluation results demonstrate the effectiveness of the presented dynamic maintenance technique with static placement decisions in a multi-cloud environment.

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Section: Related Workmentioning

confidence: 99%

On the Dynamic Maintenance of Data Replicas based on Access Patterns in A Multi-Cloud Environment

Shorfuzzaman

2017

ijacsa

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“…In case of faulty nodes only, it has been proven that f n +1 rounds of exchanged messages are required to demonstrate optimality 11 . Furthermore, Wang et al showed that two rounds are the minimum number of rounds to solve the TMs fault 10 . Hence the required number of rounds for solving the generalized BA problem in CWSN should not be less than T FC + 1.…”

Section: Complexity Of Oapmentioning

confidence: 99%

“…Based on this assumption, a TM fault is treated as a node fault, whatever the correctness of an innocent node, so that an innocent node does not involve agreement 10 . Nevertheless, the definition of a BA problem requires all healthy nodes to reach an agreement.…”

Section: The Topology Of Cwsnmentioning

confidence: 99%

Optimal malicious agreement protocol for cluster-based wireless sensor networks

Yan¹,

Wang

Peng³

et al. 2014

ScienceAsia

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A wireless sensor network (WSN) is a distributed system that comprises thousands of sensor nodes and a sink. The sensor nodes communicate with other sensor nodes by using broadcast in the WSN and this leads to a severe problem. Hence many researchers proposed cluster schemes to prevent the broadcast storm. Cluster-based wireless sensor networks (CWSNs) have been studied more recently. In order to increase the capability of the fault-tolerance and reliability of CWSNs, the Byzantine agreement problem is revisited. A protocol for achieving the task of agreement between nodes in a CWSN is proposed in this paper. The proposed protocol is referred to as the optimal agreement protocol and is demonstrated to make each healthy node reach an agreement value to cope with the influence from faulty components in the CWSN.

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“…A taxonomy of mobile cloud computing: Operational level issues, End user level issues, Service and application level issues, Privacy, security and trust, Context-awareness, Data's management, Cost-benefit analysis: It is important to analyze the costs of offloading on to the cloud such as time, energy and monetary, versus monolithic execution / storage beforehand [26,27,28]. The cloud user puts the cloud provider in charge of maintaining the leased virtual computers and software as well as of configuring the server farm, thus freeing their IT staff from these jobs and enabling them to focus on the development of IT innovations and business applications support [29][30][31][32][33][34][35][36].Smart manufacturing with cloud computing cloud computing can be effective in offering Business-to-business (B2B) solutions for commerce transactions between businesses, such as between a manufacturer and a wholesaler, or between a wholesaler and a retailer. Cloud-based solutions enable bettering -grated and more efficient processes.…”

Section: Cloud Computing Directionmentioning

confidence: 99%

A taxonomy of : The reviews on Cloud Computing Direction (CCD)

Yassin

Alnidawy²

2015

JACST

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The manufacturing industry is undergoing a major transformation enabled by IT and related smart technologies. The main thrust of Cloud computing is to provide on-demand computing services with high reliability, scalability and availability in a distributed environment. This paper summarizes our taxonomy of the CC review direction. The goals of this taxonomy were (i) clarify the needs and the directions of the use of the CC, (ii) define the academic and practical issues involved in CC , (iii) learn the state of the directions on methodologies of the CC , (iv) identify future research directions, which benefit the short and long terms. The taxonomy has concluded that (i) CC is advantageous in dealing with changes and uncertainties in the every-changing environment. (ii)It has been found that few existing CC can achieve the objective of security. (iii) The obstacles of the development of CC include the difficulties to identify and generalize the requirement of CC security, the lake of effective technologies that can be used to support the clouding use, and no international origination that serves for standardizing the modular components for cloud computing processes. In this paper, we use the IVSL(The Iraq Virtual Science Library) to select the free, full-text access to papers from major publishers as well as a large collection of on-line educational materials.

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Achieving efficient agreement within a dual-failure cloud-computing environment

Cited by 29 publications

References 19 publications

On the Dynamic Maintenance of Data Replicas based on Access Patterns in A Multi-Cloud Environment

On the Dynamic Maintenance of Data Replicas based on Access Patterns in A Multi-Cloud Environment

Optimal malicious agreement protocol for cluster-based wireless sensor networks

A taxonomy of : The reviews on Cloud Computing Direction (CCD)

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