• Title/Summary/Keyword: Vendor Lock-in

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Optimization of Data Placement using Principal Component Analysis based Pareto-optimal method for Multi-Cloud Storage Environment

  • Latha, V.L. Padma;Reddy, N. Sudhakar;Babu, A. Suresh
    • International Journal of Computer Science & Network Security
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    • v.21 no.12
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    • pp.248-256
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    • 2021
  • Now that we're in the big data era, data has taken on a new significance as the storage capacity has exploded from trillion bytes to petabytes at breakneck pace. As the use of cloud computing expands and becomes more commonly accepted, several businesses and institutions are opting to store their requests and data there. Cloud storage's concept of a nearly infinite storage resource pool makes data storage and access scalable and readily available. The majority of them, on the other hand, favour a single cloud because of the simplicity and inexpensive storage costs it offers in the near run. Cloud-based data storage, on the other hand, has concerns such as vendor lock-in, privacy leakage and unavailability. With geographically dispersed cloud storage providers, multicloud storage can alleviate these dangers. One of the key challenges in this storage system is to arrange user data in a cost-effective and high-availability manner. A multicloud storage architecture is given in this study. Next, a multi-objective optimization problem is defined to minimise total costs and maximise data availability at the same time, which can be solved using a technique based on the non-dominated sorting genetic algorithm II (NSGA-II) and obtain a set of non-dominated solutions known as the Pareto-optimal set.. When consumers can't pick from the Pareto-optimal set directly, a method based on Principal Component Analysis (PCA) is presented to find the best answer. To sum it all up, thorough tests based on a variety of real-world cloud storage scenarios have proven that the proposed method performs as expected.

An Authentication Scheme for Providing to User Service Transparency in Multicloud Environment (멀티클라우드 환경에서 사용자에게 서비스의 투명성을 제공하는 인증 기법)

  • Lee, Jaekyung;Son, Junggab;Kim, Hunmin;Oh, Heekuck
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.23 no.6
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    • pp.1131-1141
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    • 2013
  • Most of the single server model of cloud computing services have problems that are hard to solve, such as a service availability, insider attack, and vendor lock-in, etc. To solve these problems, the research about multicloud has emerged. Multicloud model can supplement previous cloud model's weakness and provides new services to user. In this paper, we focus on a user authentication problem in multicloud model and propose a scheme to resolve it. We define a cloud broker-based multicloud model. And we propose an authentication protocol that is applicable at presented model. The proposed scheme can provide service transparency to user and prevent an impersonation attack by service provider.

BoxBroker: A Policy-Driven Framework for Optimizing Storage Service Federation

  • Heinsen, Rene;Lopez, Cindy;Huh, Eui-Nam
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.12 no.1
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    • pp.340-367
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    • 2018
  • Storage services integration can be done for achieving high availability, improving data access performance and scalability while preventing vendor lock-in. However, multiple services environment management and interoperability have become a critical issue as a result of service architectures and communication interfaces heterogeneity. Storage federation model provides the integration of multiple heterogeneous and self-sufficient storage systems with a single control point and automated decision making about data distribution. In order to integrate diverse heterogeneous storage services into a single storage pool, we are proposing a storage service federation framework named BoxBroker. Moreover, an automated decision model based on a policy-driven data distribution algorithm and a service evaluation method is proposed enabling BoxBroker to make optimal decisions. Finally, a demonstration of our proposal capabilities is presented and discussed.

Dynamic Collaborative Cloud Service Platform: Opportunities and Challenges

  • Yoon, Chang-Woo;Hassan, Mohammad Mehedi;Lee, Hyun-Woo;Ryu, Won;Huh, Eui-Nam
    • ETRI Journal
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    • v.32 no.4
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    • pp.634-637
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    • 2010
  • This letter presents a model for a dynamic collaboration (DC) platform among cloud providers (CPs) that prevents adverse business impacts, cloud vendor lock-in and violation of service level agreements with consumers, and also offers collaborative cloud services to consumers. We consider two major challenges. The first challenge is to find an appropriate market model in order to enable the DC platform. The second is to select suitable collaborative partners to provide services. We propose a novel combinatorial auction-based cloud market model that enables a DC platform among CPs. We also propose a new promising multi-objective optimization model to quantitatively evaluate the partners. Simulation experiments were conducted to verify both of the proposed models.

A Research about Hybrid Cloud Service Models (하이브리드 클라우드 서비스 모델에 대한 연구)

  • Lee, Jaekyung;Son, Junggab;Eun, Hasoo;Oh, Heekuck
    • Proceedings of the Korea Information Processing Society Conference
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    • 2013.05a
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    • pp.552-555
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    • 2013
  • 클라우드 컴퓨팅은 인터넷 기술을 기반으로 소프트웨어, 스토리지, OS 등의 가상화된 IT 자원 서비스로서 이용한 만큼 비용을 지불하는 방식으로 제공된다. 따라서 이를 이용하는 사용자 또는 조직이 IT 자원의 유지비용을 절감할 수 있는 이점이 있다. 하지만 기존의 단일 클라우드 서비스 모델은 가용성 문제, vendor lock-in 문제 등의 해결하기 어려운 문제점을 가지고 있다. 이에 따라 최근 클라우드 서비스 간 상호작용을 통해 기존 단일 클라우드의 문제를 해결하고자 하는 모델에 대한 연구가 진행되고 있다. 본 논문에서는 앞서 언급한 모델을 hybrid 클라우드 서비스 모델이라 칭한다. 현재까지 hybrid 클라우드 서비스 모델은 multi-cloud, inter-cloud, collaborative-cloud 등 크게 세 가지 형태로 제안되었다. 본 논문에서는 hybrid 클라우드 서비스 모델에 대한 전반적인 내용을 분석하고, 서로 다른 클라우드 서비스 간 상호작용 과정에서 새롭게 발생할 수 있는 보안 문제를 분석한다.

Identity-based Provable Data Possession for Multicloud Storage with Parallel Key-Insulation

  • Nithya, S. Mary V.;Rhymend Uthariaraj, V.
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.15 no.9
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    • pp.3322-3347
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    • 2021
  • Cloud Storage is the primary component of many businesses on cloud. Majority of the enterprises today are adopting a multicloud strategy to keep away from vendor lock-in and to optimize cost. Auditing schemes are used to ascertain the integrity of cloud data. Of these schemes, only the Provable Data Possession schemes (PDP) are resilient to key-exposure. These PDP schemes are devised using Public Key Infrastructure (PKI-) based cryptography, Identity-based cryptography, etc. PKI-based systems suffer from certificate-related communication/computational complexities. The Identity-based schemes deal with the exposure of only the auditing secret key (audit key). But with the exposure of both the audit key and the secret key used to update the audit key, the auditing process itself becomes a complete failure. So, an Identity-based PDP scheme with Parallel Key-Insulation is proposed for multiple cloud storage. It reduces the risk of exposure of both the audit key and the secret key used to update the audit key. It preserves the data privacy from the Third Party Auditor, secure against malicious Cloud Service Providers and facilitates batch auditing. The resilience to key-exposure is proved using the CDH assumption. Compared to the existing Identity-based multicloud schemes, it is efficient in integrity verification.

A Study on the method of existing system migration for Cloud computing (클라우드 컴퓨팅 환경을 위한 기존 시스템의 이전 방안 연구)

  • Park, Sung-Hee;Yang, Hae-Sool
    • Journal of Digital Convergence
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    • v.12 no.10
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    • pp.271-282
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    • 2014
  • Cloud computing technology will provide application that needs many resources and various services to customers without any restriction of time and place. So, many of companies are now adopting cloud computing technology to this business and this trend is now increasing. However, cloud technology adoption rate is low because of security, compatibility, loss of control, security, data protection, performance and uptime, to the risk of vendor lock-in Cloud computing services, and compatibility with existing systems and anxiety. Now, many people are interest on the migration of existing systems but there are many study on this issue. So, more of study on this issue should be needed. This paper will show you the method that how to adopt cloud computing to their business and also show you evolution of cloud computing for existing system.

Design and Implementation of Multi-Cloud Service Common Platform (멀티 클라우드 서비스 공통 플랫폼 설계 및 구현)

  • Kim, Sooyoung;Kim, Byoungseob;Son, Seokho;Seo, Jihoon;Kim, Yunkon;Kang, Dongjae
    • Journal of Korea Multimedia Society
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    • v.24 no.1
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    • pp.75-94
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    • 2021
  • The 4th industrial revolution needs a fusion of artificial intelligence, robotics, the Internet of Things (IoT), edge computing, and other technologies. For the fusion of technologies, cloud computing technology can provide flexible and high-performance computing resources so that cloud computing can be the foundation technology of new emerging services. The emerging services become a global-scale, and require much higher performance, availability, and reliability. Public cloud providers already provide global-scale services. However, their services, costs, performance, and policies are different. Enterprises/ developers to come out with a new inter-operable service are experiencing vendor lock-in problems. Therefore, multi-cloud technology that federatively resolves the limitations of single cloud providers is required. We propose a software platform, denoted as Cloud-Barista. Cloud-Barista is a multi-cloud service common platform for federating multiple clouds. It makes multiple cloud services as a single service. We explain the functional architecture of the proposed platform that consists of several frameworks, and then discuss the main design and implementation issues of each framework. To verify the feasibility of our proposal, we show a demonstration which is to create 18 virtual machines on several cloud providers, combine them as a single resource, and manage it.