Replica Management for National Data Storage

Słota, Renata; Nikołow, Darin; Kuta, Marcin; Kapanowski, Mariusz; Skałkowski, Kornel; Pogoda, Marek; Kitowski, Jacek

doi:10.1007/978-3-642-14403-5_20

Cited by 1 publication

(2 citation statements)

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“…In previous projects like the NDS, only a simplified version of QoS levels was presented. All of the management policies with actions were limited [1] and the parameters were limited as well [2]. But in this model, QoS Broker using heuristic tools supported by a neural network brings a wider range of possibilities to using and attaining higher SLA levels.…”

Section: Discussionmentioning

confidence: 99%

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Resource Storage Management Model for ensuring quality of service in the cloud archive systems

Kapanowski¹,

Słota²,

Kitowski³

2014

csci

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Nowadays, service providers offer a lot of IT services in the public or private cloud. Clients can buy various kinds of services, such as SaaS, PaaS, etc. Recently, Backup as a Service (BaaS), a variety of SaaS, was introduced there. At the moment, there are several different BaaS's available to archive data in the cloud, but they provide only a basic level of service quality. In this paper, we propose a model which ensures QoS for BaaS and some methods for management of storage resources aimed at achieving the required SLA. This model introduces a set of parameters responsible for an SLA level which can be offered at the basic or higher level of quality. The storage systems (typically HSM), which are distributed between several Data Centers, are built based on disk arrays, VTL's, and tape libraries. The RSMM model does not assume bandwidth reservation or control, but rather is focused on management of storage resources.

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Section: Discussionmentioning

confidence: 99%

“…The model is based on our previous study [1,2] as well as on some practical experience gained during the implementation of commercial backup systems.…”

Section: Introductionmentioning

confidence: 99%