A survey on cloud federation architectures: Identifying functional and non-functional properties

Assis, Marcio Roberto Miranda; Bittencourt, Luiz F.

doi:10.1016/j.jnca.2016.06.014

Cited by 62 publications

(40 citation statements)

References 35 publications

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“…Furthermore, we regroup multicloud approaches, cloud brokers approaches, federated cloud approaches, hybrid cloud approaches, and intercloud approaches under interconnected clouds approaches class because they meet the definition provided by Assis et al, which defines the interconnected clouds as organizations of multiple clouds aiming to overcome the service interruption, the data representation heterogeneity, and the service quality degradation; and other limitations in cloud computing.…”

Section: Taxonomy For the Classification Of Cloud Service Interoperabmentioning

confidence: 99%

A survey on the service interoperability in cloud computing: Client‐centric and provider‐centric perspectives

2020

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The vendor lock-in is a prominent issue in cloud computing. It is caused by cloud providers who offer proprietary services, which hinders the cloud interoperability. Client-centric interoperability enables the migration of the data and applications across clouds; it gives the clients control over their workloads and a wider range of service choices. Whereas, provider-centric interoperability allows the providers to collaborate. Thus, providers, who have spare resources, can lend them to other providers who lack computational or storage capabilities to overcome the limitations of their local resources. In this article, we conduct a survey to differentiate between client-and provider-centric interoperability solutions. We aim to provide an up-to-date analysis of the current tendencies and the neglected areas of the cloud interoperability field. Thus, we study the cloud service interoperability evolution through the years. Furthermore, we propose definitions for the intra-cloud and inter-cloud interoperability. Moreover, we propose a taxonomy to classify the cloud interoperability approaches into client-centric and provider-centric categories. Then, for each category, we classify the approaches based on their interoperability environment into single cloud or interconnected clouds. Finally, we analyze and compare the approaches based on multiple criteria. The study reveals the focus on the client-centric solutions and the interoperability in interconnected clouds. We notice more interest in the data and application levels interoperability, mainly, in infrastructure as a service model. We also find that client-centric solutions are, mostly, semantic technologies and brokers. However, provider-centric solutions are middleware, protocols, and standards. We conclude that a generic cloud service interoperability model is needed.

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Section: Taxonomy For the Classification Of Cloud Service Interoperabmentioning

confidence: 99%

A survey on the service interoperability in cloud computing: Client‐centric and provider‐centric perspectives

2020

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“…Outsourcing [6], [36], [25], [3]: the ability that CSPs have to send some internal customers objects to other federation members. Outsourcing maybe achieved through either geomigration or geo-replication.…”

Section: ) a Requested Qos (Sla) In Terms Of Iops And Latencymentioning

confidence: 99%

“…C LOUD federation [1], [2], [3], [4] is a computing paradigm that consists in making several Cloud Service Providers (CSPs) cooperate by sharing resources. These CSPs insource and outsource their customers' data and services to provide continuous provisioning by exploiting temporal and spatial availability of resources [2] while reducing their cost.…”

Section: Introductionmentioning

confidence: 99%

A Cost Model for Hybrid Storage Systems in a Cloud Federations

Chikhaoui

Boukhalfa

Boukhobza

2018

Annals of Computer Science and Information Systems

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A cloud federation gives to cloud service providers (CSP) the opportunity to collaborate in order to offer a better QoS to customers at a lower cost. To do so, CSPs make some spare resources available to others at a reduced cost. One of the most critical resources is the storage system as it represents the main system bottleneck. From this point of view, how to efficiently place data in a federation of Clouds with heterogeneous storage systems is a real challenge. To address this issue, one needs to accurately estimate the data placement cost. In this paper, we propose a cost model for hybrid storage systems in a cloud federation for a Database as a Service (DBaaS) application. It takes into account the storage system characteristics, customers I/O workloads and SLA. The proposed cost model considers both 1) Internal customers data placement cost including local placement, outsourcing, back-migration and penalty costs, and 2) External customers data placement cost including insourcing and geo-migration costs. It can be used to help in the decision-making process which aims to enhance customers QoS and reduce CSPs costs in a federation. Simulation results showed the relevance of the considered costs. We have shown that mis-considering some sub-costs may lead to a 95% cost error for external customers data placement and 80% for outsourcing customers. This may cause significant financial loss.

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“…The cooperation of clouds to achieve the goal should be a priori defined to ensure that the governance is carried out with the consensus of all members. The cornerstone of the governance must be a business contract [3], which reports the types of services to be federated, the guaranteed SLA and the actions to be taken to rule the federation.…”

Section: A New Cloud Federation Governancementioning

confidence: 99%

“…A prominent proposal for cloud aggregation is cloud federation [1], [2], [3]. It is a recent concept that allows services from different cloud providers to be aggregated in a single pool.…”

Section: Introductionmentioning

confidence: 99%

A Distributed Infrastructure for Democratic Cloud Federations

Margheri

Ferdous

Yang

et al. 2017

2017 IEEE 10th International Conference on Cloud Computing (CLOUD)

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Abstract-Cloud federation is a novel concept that has been drawing attention from research and industry. However, there is a lack of solid proposal that can be widely adopted in practice to guarantee adequate governance of federations, especially in the Public Sector contexts due to legal requirements.In this paper, we propose an innovative governance approach that ensures distributed and democratic control in cloud federations. Starting from FaaS, a recent cloud federation proposal, we propose a blockchain infrastructure for the federation registry that implements the proposed governance approach.

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A survey on cloud federation architectures: Identifying functional and non-functional properties

Cited by 62 publications

References 35 publications

A survey on the service interoperability in cloud computing: Client‐centric and provider‐centric perspectives

A survey on the service interoperability in cloud computing: Client‐centric and provider‐centric perspectives

A Cost Model for Hybrid Storage Systems in a Cloud Federations

A Distributed Infrastructure for Democratic Cloud Federations

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