Filters








215 Hits in 14.7 sec

Towards Transparent Throughput Elasticity for IaaS Cloud Storage

Bogdan Nicolae, Pierre Riteau, Kate Keahey
2015 International Journal of Distributed Systems and Technologies  
Storage elasticity on IaaS clouds is a crucial feature in the age of data-intensive computing, especially when considering fluctuations of I/O throughput.  ...  We demonstrate the benefits of our proposal both for microbenchmarks and for two real-life applications using large-scale experiments.  ...  ACKNOWLEDGMENTS This material is based in part on work supported in part by the U.S. Department of Energy, Office of Science, under contract DE-AC02-06CH11357.  ... 
doi:10.4018/ijdst.2015100102 fatcat:shu5qmyq3jc65cbakwokla43zy

On the Benefits of Transparent Compression for Cost-Effective Cloud Data Storage [chapter]

Bogdan Nicolae
2011 Lecture Notes in Computer Science  
This new model raises new challenges in the design and development of IaaS middleware: excessive storage costs associated with both user data and VM images might make the cloud less attractive, especially  ...  for the resources that were actually used throughout the runtime of the VMs.  ...  Acknowledgments The experiments presented in this paper were carried out using the Grid'5000/ ALADDIN-G5K experimental testbed, an initiative from the French Ministry of Research through the ACI GRID incentive  ... 
doi:10.1007/978-3-642-23074-5_7 fatcat:jg5sygkarbg7vmyyztjeqhx3ei

Optimizing Multi-deployment on Clouds by Means of Self-adaptive Prefetching [chapter]

Bogdan Nicolae, Franck Cappello, Gabriel Antoniu
2011 Lecture Notes in Computer Science  
With Infrastructure-as-a-Service (IaaS) cloud economics getting increasingly complex and dynamic, resource costs can vary greatly over short periods of time.  ...  This paper proposes an adaptive prefetching mechanism aiming to reduce the time required to simultaneously boot a large number of VM instances on clouds from the same initial VM image (multi-deployment  ...  Acknowledgments Experiments presented in this paper were carried out using the Grid'5000 experimental testbed, an initiative from the French Ministry of Research through the ACI GRID incentive action,  ... 
doi:10.1007/978-3-642-23400-2_46 fatcat:4dh3imc7y5e5lgm5zprasekpoe

A survey on data storage and placement methodologies for Cloud-Big Data ecosystem

Somnath Mazumdar, Daniel Seybold, Kyriakos Kritikos, Yiannis Verginadis
2019 Journal of Big Data  
In this survey paper, we are providing a state of the art overview of Cloud-centric Big Data placement together with the data storage methodologies.  ...  Primarily, the main objective is to find a better data storage location that improves the overall data placement cost as well as the application performance (such as throughput).  ...  The authors would like to thank the partners of the MELODIC project (http://www.melod ic.cloud /) for their valuable advices and comments.  ... 
doi:10.1186/s40537-019-0178-3 fatcat:g3cv57fskfcfpk5ky3dkv6xe5a

An adaptable storage slicing algorithm for content delivery networks

Andre Moreira, Ernani Azevedo, Judith Kelner, Djamel Sadok, Arthur Callado, Victor Souza
2015 2015 IFIP/IEEE International Symposium on Integrated Network Management (IM)  
For instance, a surrogate (or cache) server can be mapped to an IaaS storage and delivery service.  ...  It uses the cloud to map the CDN infrastructure elements into virtual components. For instance, a surrogate (or cache) server can be mapped to an IaaS storage and delivery service.  ...  The definition of clients and video objects were parsed from the same set of Youtube trace files. We used the non-cooperative pull-based outsourcing strategy.  ... 
doi:10.1109/inm.2015.7140355 dblp:conf/im/MoreiraAKSCS15 fatcat:u2d3ub67zrgozhao4ft6pgyk6y

Providing a cloud network infrastructure on a supercomputer

Jonathan Appavoo, Amos Waterland, Dilma Da Silva, Volkmar Uhlig, Bryan Rosenburg, Eric Van Hensbergen, Jan Stoess, Robert Wisniewski, Udo Steinberg
2010 Proceedings of the 19th ACM International Symposium on High Performance Distributed Computing - HPDC '10  
providing the standard elastic cloud infrastructure for other components.  ...  Supercomputers and clouds both strive to make a large number of computing cores available for computation.  ...  , or even countries), independent of whether the underlying architecture is geared towards cloud or supercomputer infrastructure.  ... 
doi:10.1145/1851476.1851534 dblp:conf/hpdc/AppavooWSURHSWS10 fatcat:ryzzz7pjb5cxbbwnhtb7pnqhni

Leveraging Collaborative Content Exchange for On-Demand VM Multi-deployments in IaaS Clouds [chapter]

Bogdan Nicolae, M. Mustafa Rafique
2013 Lecture Notes in Computer Science  
and elasticity of clouds even for large-scale deployments.  ...  A critical feature of IaaS cloud computing is the ability to deploy, boot and terminate large groups of inter-dependent VMs very quickly, which enables users to efficiently exploit the on-demand nature  ...  Acknowledgments The experiments presented in this paper were carried out using the Grid'5000/ALADDIN-G5K experimental testbed, an initiative of the French Ministry of Research through the ACI GRID incentive  ... 
doi:10.1007/978-3-642-40047-6_32 fatcat:m5jn4c5wyzg3xjrbkxyvku2nie

Towards scalable on-demand collective data access in IaaS clouds: An adaptive collaborative content exchange proposal

Bogdan Nicolae, Andrzej Kochut, Alexei Karve
2016 Journal of Parallel and Distributed Computing  
A critical feature of IaaS cloud computing is the ability to quickly disseminate the content of a shared dataset at large scale.  ...  ., accessing the same VM image or dataset from a large number of VM instances concurrently.  ...  In this context, the same content propagation principles that apply at low level (i.e., virtual disk blocks) can be used for pieces of data at higher level.  ... 
doi:10.1016/j.jpdc.2015.09.006 fatcat:ezwhqdk7urg7befaeuyfhfotne

Next-Generation Blockchain-Enabled Virtualized Cloud Security Solutions: Review and Open Challenges

Mueen Uddin, Anjum Khalique, Awais Khan Jumani, Syed Sajid Ullah, Saddam Hussain
2021 Electronics  
The enormous elastic on-demand cloud provisioning resources and services and datasets are processed and stored in tier-level virtualized cloud data centres operated by third-party service providers called  ...  It encompasses different services for supporting data storage, networking, and computing for facilities and amenities for businesses and multinational corporations.  ...  decisions for their business benefits.  ... 
doi:10.3390/electronics10202493 fatcat:cg5pzbsevfhxbiknc3wmiyunwe

The State of Public Infrastructure-as-a-Service Cloud Security

Wei Huang, Afshar Ganjali, Beom Heyn Kim, Sukwon Oh, David Lie
2015 ACM Computing Surveys  
Furthermore, many promise additional security guarantees such as restricting the storage data to a certain region or legal jurisdiction or cloud-side encryption of data at rest.  ...  The public Infrastructure-as-a-Service (IaaS) cloud industry has reached a critical mass in the past few years, with many cloud service providers fielding competing services.  ...  ACKNOWLEDGMENTS The authors would like to thank Zhen Huang, Michelle Wong, Mariana D'Angelo, and Dhaval Miyani for the feedback and the anonymous reviewers for their invaluable suggestions.  ... 
doi:10.1145/2767181 fatcat:dtoouityhzfnbidzfww6esnari

Architectural Requirements for Cloud Computing Systems: An Enterprise Cloud Approach

Bhaskar Prasad Rimal, Admela Jukan, Dimitrios Katsaros, Yves Goeleven
2010 Journal of Grid Computing  
In this paper, we explore the architectural features of Cloud Computing and classify them according to the requirements of end-users, enterprises that use the cloud as a platform, and cloud providers themselves  ...  The biggest challenge in Cloud Computing is the lack of a de facto standard or single architectural method, which can meet the requirements of an enterprise cloud approach.  ...  Acknowledgements The authors would like to thank the anonymous reviewers for their valuable comments which helped us to improve the quality of our initial manuscript.  ... 
doi:10.1007/s10723-010-9171-y fatcat:af3ydifl2ncm5ljo75u5silxey

Resource Management in Clouds: Survey and Research Challenges

Brendan Jennings, Rolf Stadler
2014 Journal of Network and Systems Management  
of the load; as well as the range of objectives of the different actors in a cloud ecosystem.  ...  We outline a conceptual framework for cloud resource management and use it to structure the state-of-the-art review. Based on our analysis, we identify five challenges for future investigation.  ...  This work was partially funded by Science Foundation Ireland via grants 08/SRC/I1403 and 08/SRC/I1403-STTF11 and by the European Commission via FP7 grant no. 612480.  ... 
doi:10.1007/s10922-014-9307-7 fatcat:foe3h5ywsrexnbzkfullvzjgke

Performance Evaluation of Cloud Computing Resources

Muhammad Sajjad, Arshad Ali, Ahmad Salman
2018 International Journal of Advanced Computer Science and Applications  
However, measuring the performance of cloud based applications in real environments is a challenging task for research as well as business community.  ...  In this work, we focused on Infrastructure as a Service (IaaS) facility of cloud computing. We made a performance evaluation of two renowned public and private cloud platforms.  ...  The clients just pay for the resources and services used on the basis of adapted Service Level Agreement (SLA) with a service provider [1] .  ... 
doi:10.14569/ijacsa.2018.090824 fatcat:fl5h2q32pbav5ip7ays3dvl2da

TomusBlobs: scalable data-intensive processing on Azure clouds

Alexandru Costan, Radu Tudoran, Gabriel Antoniu, Goetz Brasche
2013 Concurrency and Computation  
for the design of scalable cloud storage systems.  ...  and adapted to the context of the unprecedented scale brought to reality by cloud infrastructures.  ... 
doi:10.1002/cpe.3034 fatcat:odwrhgovxvc5xayi4tzdfw2vay

A GPU Accelerated High Performance Cloud Computing Infrastructure for Grid Computing Based Virtual Environmental Laboratory [chapter]

Francisco Giunta, Raffaele Montella, Giuliano Laccetti, Florin Isaila, Francisco Javier Garca Blas
2011 Advances in Grid Computing  
With the rise of cloud computing technology and on-demand resource allocation, the meaning of e-Science could straightforwardly change to elastic-Science.  ...  hosting of computing and storage resources.  ...  For example, AWS offers the Simple Storage Service (S3) implemented in Eucalyptus as Walrus. The Eucalyptus storage controller provides a service similar to the AWS Elastic Block Storage (EBS).  ... 
doi:10.5772/14594 fatcat:y3dfwoozojeppghlzq3so22roy
« Previous Showing results 1 — 15 out of 215 results