Filters








125 Hits in 3.3 sec

An Adaptive Data Placement Architecture in Multicloud Environments

Pengwei Wang, Caihui Zhao, Yi Wei, Dong Wang, Zhaohui Zhang
2020 Scientific Programming  
To this end, we propose ADPA, an adaptive data placement architecture that can adjust the data placement scheme based on the time-varying data access pattern and subject for minimizing the total cost and  ...  Users tend to store their data in geographical and diverse CSPs so as to avoid vendor lock-in. Static data placement has been widely studied in recent works.  ...  An Adaptive Data Placement Architecture In this section, we present an adaptive data placement architecture with high cost-effective multicloud availability. en, we formulate the problem in the architecture  ... 
doi:10.1155/2020/1704258 fatcat:usiipjzi5rg7dp7ys74cdc6i4a

Adaptive Data Placement for Improving Performance of Online Social Network Services in a Multicloud Environment

Seunghee Han, Bosung Kim, Jaemin Han, Kyehee Kim, JooSeok Song
2017 Scientific Programming  
We introduce an adaptive data placement algorithm without the replications for improving the performance of the OSN services in the Multicloud environment.  ...  The existing online social network (OSN) services in a multiple-cloud (Multicloud) environment use replications to store user data for improving the service performance.  ...  In our approach, to enable adaptive dynamic data placement and to effectively and dynamically distribute user requests via that data placement, a six-layer architecture shown in Figure 4 , which is an  ... 
doi:10.1155/2017/2824782 fatcat:zq5lt6gedrctxdfjkzgxdafswi

Towards an Adaptive Middleware for Efficient Multi-Cloud Data Storage

Ansar Rafique, Dimitri Van Landuyt, Vincent Reniers, Wouter Joosen
2017 Proceedings of the 4th Workshop on CrossCloud Infrastructures & Platforms - Crosscloud'17  
This paper provides an in-depth discussion of this complexity, and sketches our architectural vision of self-adaptive middleware solutions that monitor and change the storage architecture (semi-)autonomously  ...  As it allows application providers to manage the risks associated to technology or vendor lock-in, provider reliability, data security, privacy, it is an increasingly popular tactic for designing the storage  ...  Data placement decisions across a multi-cloud architecture are commonly based on the static properties of the operational environment.  ... 
doi:10.1145/3069383.3069387 dblp:conf/eurosys/RafiqueLRJ17 fatcat:qfrzd7iplva5dadwmgcqen2pl4

Comprehensive Study on Task Scheduling Strategies in Multicloud Environment

Roshni Patil, Anup Gade, Abhay Rewatkar
2019 Journal Europeen des Systemes Automatises  
The task scheduling in multicloud computing environment is complicated task.  ...  Task scheduling in cloud computing is a best-known problem that has been paid attention. This is again more challenging, specially for multicloud computing environment.  ...  In a multicloud environment the task or job scheduler adaptable their scheduling strategy to the ever-changing situation and the various type of task.  ... 
doi:10.18280/jesa.520106 fatcat:gvrr24mgyvaqpp3bqaw74agaha

Cloud deployment model and cost analysis in Multicloud

Subash Babu Pandiri
2012 IOSR Journal of Electronics and Communication Engineering  
In this work, we propose a system which analyzes the cost by a scheduling model for optimizing virtual cluster placements across available cloud offers.  ...  Cloud computing is a revolution in the way it offers computational capability.  ...  System Architecture In this work a dynamic scheduler for multi-cloud brokering environments is implemented, and focused on the architecture shown in Figure 5 .  ... 
doi:10.9790/2834-0432531 fatcat:mmfxwo63ureyjhoqutxn7q5skm

Scheduling Algorithms for Efficient Execution of Stream Workflow Applications in Multicloud Environments [article]

Mutaz Barika, Saurabh Garg, Andrew Chan, Rodrigo N. Calheiros
2019 arXiv   pre-print
In this paper, we propose two Multicloud scheduling and resource allocation techniques for efficient execution of stream workflow applications on Multicloud environments while adhering to workflow application  ...  As a consequence, the execution of these applications on cloud environments requires advanced scheduling techniques that adhere to end user's requirements in terms of data processing and deadline for decision  ...  Rajkumar Buyya for the insightful comments and suggestions in improving paper quality. This research is supported by an Australian Government Research Training Program (RTP) Scholarship.  ... 
arXiv:1912.08392v1 fatcat:hlvf46sjzbhsvnkf7bvsu6zrwu

2020 Index IEEE Transactions on Cloud Computing Vol. 8

2021 IEEE Transactions on Cloud Computing  
-March 2020 312-323 VMGuard: A VMI-Based Security Architecture for Intrusion Detection in Cloud Environment.  ...  ., +, TCC July-Sept. 2020 943-956 VMGuard: A VMI-Based Security Architecture for Intrusion Detection in Cloud Environment.  ...  Frequency control Performance-Based Pricing in Multi-Core Geo-Distributed Cloud Computing. Lucanin, D., +, TCC Oct.-Dec. 2020  ... 
doi:10.1109/tcc.2021.3055041 fatcat:nppinqsievad3gr42ppehwp7yi

PaaSHopper: Policy-driven middleware for multi-PaaS environments

Stefan Walraven, Dimitri Van Landuyt, Ansar Rafique, Bert Lagaisse, Wouter Joosen
2015 Journal of Internet Services and Applications  
However, as this entails losing some control over the application and its data, SaaS providers are in practice reluctant to migrate to a PaaS platform entirely.  ...  This paper presents PaaSHopper, a middleware platform for developing and operating multi-tenant SaaS applications in a multi-PaaS environment.  ...  Companies and organizations involved in the project are Agfa Healthcare, Luciad, UP-nxt and Verizon Terremark, with project support of IWT (government agency for Innovation by Science and Technology).  ... 
doi:10.1186/s13174-014-0017-x fatcat:zleah6m5obdmdihtbmrgn6djii

Data-Aware Resource Scheduling for Multicloud Workflows: A Fine-Grained Simulation Approach

Wei Tang, Jonathan Jenkins, Folker Meyer, Robert Ross, Rajkumar Kettimuthu, Linda Winkler, Xi Yang, Thomas Lehman, Narayan Desai
2014 2014 IEEE 6th International Conference on Cloud Computing Technology and Science  
In this work, we study the impact of data-aware resource management and scheduling on scientific workflows in multicloud environments.  ...  However, resource management challenges exist in the elastic cloud environment, such as resource provisioning and task allocation, especially when data movement between multiple domains plays an important  ...  Our current work addresses the data movement problem in multicloud environments.  ... 
doi:10.1109/cloudcom.2014.19 dblp:conf/cloudcom/TangJMRKWYLD14 fatcat:tma42lfk5vfc7haxlvcdfv7vr4

Towards Secure Cloud Orchestration for Multi-Cloud Deployments

Nicolae Paladi, Antonis Michalas, Hai-Van Dang
2018 Proceedings of the 5th Workshop on CrossCloud Infrastructures & Platforms - CrossCloud'18  
In this work, we analyze the security landscape of cloud orchestration frameworks for multicloud infrastructure.  ...  We identify a set of attack scenarios, define security enforcement enablers and propose an architecture for a security-enabled cloud orchestration framework for multi-cloud application deployments.  ...  Discussion In the proposed security architecture, we focus on the separation between the security and the core components in an orchestrator architecture.  ... 
doi:10.1145/3195870.3195874 dblp:conf/eurosys/PaladiMD18 fatcat:qul32bkf4rfdnghqmnxyfzl5ga

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

Mohammad Shorfuzzaman
2017 International Journal of Advanced Computer Science and Applications  
There are increasing interests in developing data-intensive (big data) applications in this computing environment that need to access huge datasets.  ...  First, this paper proposes a novel approach to distributed placement of static replicas in appropriate data center locations.  ...  Before describing the proposed clustering approach to static replica placement in this multicloud environment, a logical structure of the multi-cloud system model is presented as shown in Figure 2 .  ... 
doi:10.14569/ijacsa.2017.080330 fatcat:m653mcn6pfczzipfjjq7gs5fny

A Framework for Orchestration and Federation of 5G Services in a Multi-Domain Scenario

L. Valcarenghi, I. Pascual, A. Ksentini, C. F. Chiasserini, F. Malandrino, Xi Li, D. Andrushko, Konstantin Tomakh, B. Martini, K. Antevski, C. J. Bernardos, G. Landi (+4 others)
2018 Proceedings of the Workshop on Experimentation and Measurements in 5G - EM-5G'18  
Results for the latter use case show that a vertical service is deployed in the order of minutes.  ...  The SO key functionalities, architecture, interfaces, as well as two sample use cases for service federation and service and resource orchestration are presented.  ...  Multicloud Content Delivery Service In this use case the implementation of a multicloud content delivery service is considered. The architecture of the implemented service is shown in Figure 3 .  ... 
doi:10.1145/3286680.3286684 fatcat:paddhi53hrbtxfc4qjed5jgy4u

Autonomic fine-grained replication and migration at component level on multicloud

Linh Manh Pham, Tuan-Minh Pham
2016 Vietnam Journal of Computer Science  
Although migration and replication of applications in a distributed environment have been discussed by many researchers, the implementations of these features are rarely focused when deployed in the cloud  ...  This work proposes an autonomic replication and migration mechanism integrated in an implementation of a fine-grained deployment framework which enables ability to migrate and replicate-service components  ...  Cloud environments can be used to host service-based applications following a service-oriented architecture (SOA).  ... 
doi:10.1007/s40595-016-0074-0 fatcat:v5gkleywknei3hqzaf456qlfli

Prestocloud: Proactive Cloud Resources Management At The Edge For Efficient Real-Time Big Data Processing

Yiannis Verginadis, Iyad Alshabani, Gregoris Mentzas, Nenad Stojanovic
2017 Zenodo  
PrEstoCloud idea encapsulates a dynamic, distributed, self-adaptive and proactively configurable architecture for processing Big Data streams.  ...  In particular, PrEstoCloud aims to combine real-time Big Data, mobile processing and cloud computing research in a unique way that entails proactiveness of cloud resources use and extension of the fog  ...  The main driver of the PrEstoCloud architecture is the "change" in data streams, that is an ever emerging concept in real-time data, since it depicts not only velocity (speed of data), but also the "speed  ... 
doi:10.5281/zenodo.1133307 fatcat:c4frsg4tmfhgjefobwblr64fnu

Policy-Driven Data Management Middleware for Multi-cloud Storage in Multi-tenant SaaS

Ansar Rafique, Dimitri Van Landuyt, Bert Lagaisse, Wouter Joosen
2015 2015 IEEE/ACM 2nd International Symposium on Big Data Computing (BDC)  
In such a multi-cloud environment, the application data is distributed and replicated over multiple cloud storage systems, each differing profoundly in supported data models, development APIs, performance  ...  Despite the clear benefits, managing such a multi-cloud storage architecture in practice is non-trivial.  ...  Companies and organizations involved in the project are Agfa Healthcare, Luciad, UP-nxt, and Verizon Terremark, with project support of IWT (government agency for Innovation by Science and Technology).  ... 
doi:10.1109/bdc.2015.39 dblp:conf/bdc/RafiqueLLJ15 fatcat:tckpbhbtgzafbllug7urehduga
« Previous Showing results 1 — 15 out of 125 results