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2012 International Conference on Cloud and Service Computing最新文献

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VNET6: SOA Based on IPv6 Virtual Network VNET6:基于IPv6虚拟网络的SOA
Pub Date : 2012-11-22 DOI: 10.1109/CSC.2012.13
Dujuan Gu, Xiaohan Liu, Gang Qin, Shuangjian Yan, Ze Luo, Baoping Yan
No more IPv4 address left with IANA or APNIC, IPv6 is critical to the Internet's continued growth. How can IPv6 be flexible and adaptive for a broad range of services? How can IPv6 network adapt to the services specified requirements with high quality of experiences to users? How can IPv6 network simplify management for services? How can IPv6 network provide reliable services? This paper is an attempt to answer these questions and proposes IPv6 Virtual Network Architecture (VNET6) to support flexible services in IPv6 network. Different from other network architecture proposed in the past, VNET6 supports incremental network evolution and VNET6 is an idealized service-oriented network architecture based on IPv6 and virtualization technologies. IPv6 is a critical protocol in VNET6 and Virtual networks are built above network layer of IPv6 protocol stack. Virtualization in VNET6 aims to be a scale-out architecture using multiple entities to build a logical entity. This paper presents the details of virtual consolidation, virtual partition and virtual service. VNET6 supports different services and has many advantages such as service flexibility, simple manageability and high reliability. Giving example considerations of optimizing video experience, VNET6 is adaptive to video service with high bandwidth and low tendency and improves quality of experiences to users.
IANA或APNIC不再拥有IPv4地址,IPv6对互联网的持续增长至关重要。IPv6如何能够灵活和适应广泛的服务?IPv6网络如何在满足业务需求的同时,为用户提供高质量的体验?IPv6网络如何简化业务管理?IPv6网络如何提供可靠的服务?本文试图回答这些问题,并提出了IPv6虚拟网络架构(VNET6)来支持IPv6网络中的灵活业务。与以往提出的其他网络架构不同,VNET6支持增量式网络演进,是一种基于IPv6和虚拟化技术的理想化的面向服务的网络架构。IPv6是VNET6中的关键协议,虚拟网络建立在IPv6协议栈的网络层之上。VNET6中的虚拟化旨在成为一种横向扩展架构,使用多个实体来构建一个逻辑实体。本文详细介绍了虚拟整合、虚拟分区和虚拟服务。VNET6支持多种业务,具有业务灵活、易于管理、可靠性高等优点。以优化视频体验为例,VNET6适应高带宽、低趋势的视频业务,提高用户体验质量。
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引用次数: 4
A Priority Based Scheduling Strategy for Virtual Machine Allocations in Cloud Computing Environment 云计算环境下基于优先级的虚拟机分配调度策略
Pub Date : 2012-11-22 DOI: 10.1109/CSC.2012.16
Jing Xiao, Zhiyuan Wang
Cloud Computing is regarded as a revolution of the IT industry. It is also a business model, in which the service provider should try to make best use of resources, reduce energy consumption and earn profits as much as possible. Scheduling strategy plays an important role in service providing. A priority based algorithm for scheduling virtual machines on physical hosts in cloud computing environment is proposed. The target of this algorithm is to maximize the benefits of the service providers in the case of current resources are not enough to process all the requests in time. In this strategy, the requests are ranked according to the profits they can bring. Through the experiments, this approach has been proven it can increase the benefits than applying typical first come first serve strategy.
云计算被认为是IT行业的一次革命。它也是一种商业模式,服务提供商应该尽量充分利用资源,减少能源消耗,赚取尽可能多的利润。调度策略在服务提供中起着重要的作用。提出了一种基于优先级的云计算环境下物理主机上虚拟机调度算法。该算法的目标是在当前资源不足以及时处理所有请求的情况下,使服务提供者的利益最大化。在这个策略中,请求是根据它们能带来的利润来排序的。通过实验证明,该方法比传统的先到先得策略具有更高的效益。
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引用次数: 25
Self-Adaptive Cloud Pricing Strategies with Markov Prediction and Data Mining Method 基于马尔可夫预测和数据挖掘方法的自适应云定价策略
Pub Date : 2012-11-22 DOI: 10.1109/CSC.2012.41
Huazheng Qin, Xing Wu, Ji Hou, Hanyu Wang, Wu Zhang, Wanchun Dou
Cloud computing as a new IT technology is burgeoning and an increasing number of providers are offering various web services related to cloud computing. Meanwhile, the demands of different kinds of users are also rising sharply. In order to maximize the revenue, a proper pricing model is in desperate need. Nowadays, most of the providers are using static pricing which neglects the changes of supply and demand. Since the web services are easy to access and can be used by a large number of users, a dynamic pricing model aimed at maximizing the revenue is proposed. Our dynamic pricing model can automatically adjust the prices of resources according to the demands from users and the pricing for packages is based on Apriori Algorithm. Furthermore, the dynamic pricing model also can be adjusted and optimized by Genetic Annealing Algorithm so as to well adapt to the changes of Supply and demand. Compared with the static pricing model, the dynamic pricing model can increase the revenue to a considerable extent.
云计算作为一种新的IT技术正在蓬勃发展,越来越多的供应商正在提供与云计算相关的各种web服务。与此同时,各类用户的需求也在急剧上升。为了使收益最大化,迫切需要一个合适的定价模式。目前,大多数供应商采用静态定价,忽略了供给和需求的变化。由于web服务具有易访问性和可被大量用户使用的特点,提出了一种以收益最大化为目标的动态定价模型。我们的动态定价模型可以根据用户的需求自动调整资源的价格,包的定价基于Apriori算法。此外,动态定价模型还可以通过遗传退火算法进行调整和优化,以适应供需的变化。与静态定价模式相比,动态定价模式可以在相当程度上增加收益。
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引用次数: 6
A Fast Privacy-Preserving Multi-keyword Search Scheme on Cloud Data 基于云数据的多关键字快速隐私保护搜索方案
Pub Date : 2012-11-22 DOI: 10.1109/CSC.2012.23
Ce Yang, Weiming Zhang, Jun Xu, Jiajia Xu, Nenghai Yu
Nowadays, more and more people outsource their data to cloud servers for great flexibility and economic savings. Due to considerations on security, private data is usually protected by encryption before sending to cloud. How to utilize data efficiently while preserving user's privacy is a new challenge. In this paper, we focus on a efficient multi-keyword search scheme meeting a strict privacy requirement. First, we make a short review of two existing schemes supporting multi-keyword search, the kNN-based MRSE scheme and scheme based on bloom filter. Based on the kNN-based scheme, we propose an improved scheme. Our scheme adopt a product of three sparse matrix pairs instead of the original dense matrix pair to encrypt index, and thus get a significant improvement in efficiency. Then, we combine our improved scheme with bloom filter, and thus gain the ability for index updating. Simulation Experiments show proposed scheme indeed introduces low overhead on computation and storage.
如今,越来越多的人将他们的数据外包给云服务器,以获得极大的灵活性和经济效益。出于安全考虑,私有数据通常在发送到云之前进行加密保护。如何在保护用户隐私的同时有效地利用数据是一个新的挑战。本文重点研究了一种满足严格隐私要求的高效多关键字搜索方案。首先,我们简要回顾了现有的两种支持多关键字搜索的方案,即基于knn的MRSE方案和基于bloom滤波器的方案。在基于knn的方案基础上,提出了一种改进方案。我们的方案采用三个稀疏矩阵对的乘积代替原来的密集矩阵对来加密索引,从而显著提高了效率。然后,我们将改进方案与布隆过滤器相结合,从而获得索引更新的能力。仿真实验表明,该方案确实在计算和存储方面带来了较低的开销。
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引用次数: 52
A Context-aware Modeling Framework for Pervasive Applications 面向普适应用的上下文感知建模框架
Pub Date : 2012-11-22 DOI: 10.1109/CSC.2012.14
Hongyan Mao, Ningkang Jiang, Wen Su, Linpeng Huang
It is a challenge to recommend Web services under multiple contexts. To address this challenge, we propose a context-aware collaborative filtering (CaCF) approach for service recommendation. Three types of contextual information, i.e. time, location and interest of user, are considered. In this approach, users' interests are extracted from service invocation records and represented as term-weight vectors. Neighbors are chosen according to the Cosine similarities of these vectors. Then, neighbors are filtered into close neighbors by location and time. At last, these close neighbors recommend service to a target user. We evaluate our method through comparing with other service recommendation approaches. The experimental results show that it achieves better precision and satisfaction rate than other two methods.
在多种上下文中推荐Web服务是一项挑战。为了解决这一挑战,我们提出了一种用于服务推荐的上下文感知协同过滤(CaCF)方法。三种类型的上下文信息,即时间,地点和用户的兴趣,被考虑。在这种方法中,用户的兴趣从服务调用记录中提取出来,并表示为术语权重向量。根据这些向量的余弦相似度选择邻居。然后,根据位置和时间将邻居过滤成近邻。最后,这些近邻向目标用户推荐服务。我们通过比较其他服务推荐方法来评估我们的方法。实验结果表明,与其他两种方法相比,该方法具有更高的精度和满意率。
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引用次数: 2
CCSA: A Cloud Computing Service Architecture for Sensor Networks CCSA:传感器网络的云计算服务架构
Pub Date : 2012-11-22 DOI: 10.1109/CSC.2012.12
Zhongwen Guo, Chao Liu, Yuan Feng, Feng Hong
Sensor network systems have received amounts of attention and become a common practice in many fields. These systems are commonly developed by non-standard technologies, which bring lots of difficulties in system integration and interoperability. To figure out this problem, an integrated sensor network system architecture based on Cloud computing is proposed, which offers anytime service to access different kinds of systems. By abstracting the general model of sensor network system, we present a new architecture and describe the detail model design. In order to confirm the feasibility of the architecture, a Cloud computing service system has been developed to integrate two existing systems. The result shows that the proposed architecture is effective and feasible.
传感器网络系统受到了广泛的关注,并成为许多领域的普遍实践。这些系统通常采用非标准技术开发,这给系统集成和互操作性带来了很大的困难。为了解决这一问题,提出了一种基于云计算的集成传感器网络系统架构,提供随时访问不同类型系统的服务。通过抽象传感器网络系统的一般模型,提出了一种新的体系结构,并描述了具体的模型设计。为了确认该架构的可行性,开发了一个云计算服务系统,将两个现有系统集成在一起。结果表明,该体系结构是有效可行的。
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引用次数: 8
Towards Process Support for Migrating Applications to Cloud Computing 向云计算迁移应用程序的进程支持
Pub Date : 2012-11-22 DOI: 10.1109/CSC.2012.20
Muhammad Aufeef Chauhan, M. Babar
Cloud computing is an active area of research for industry and academia. There are a large number of organizations providing cloud computing infrastructure and services. In order to utilize these infrastructure resources and services, existing applications need to be migrated to clouds. However, a successful migration effort needs well-defined process support. It does not only help to identify and address challenges associated with migration but also provides a strategy to evaluate different platforms in relation to application and domain specific requirements. This paper present a process framework for supporting migration to cloud computing based on our experiences from migrating an Open Source System (OSS), Hackystat, to two different cloud computing platforms. We explained the process by performing a comparative analysis of our efforts to migrate Hackystate to Amazon Web Services and Google App Engine. We also report the potential challenges, suitable solutions, and lesson learned to support the presented process framework. We expect that the reported experiences can serve guidelines for those who intend to migrate software applications to cloud computing.
云计算是工业界和学术界的一个活跃研究领域。有大量的组织提供云计算基础设施和服务。为了利用这些基础设施资源和服务,需要将现有的应用程序迁移到云。然而,成功的迁移工作需要定义良好的过程支持。它不仅有助于识别和处理与迁移相关的挑战,而且还提供了一种策略来评估与应用程序和领域特定需求相关的不同平台。本文基于我们将开源系统Hackystat迁移到两个不同的云计算平台的经验,提出了一个支持迁移到云计算的过程框架。我们通过对我们将Hackystate迁移到Amazon Web Services和Google App Engine的工作进行比较分析来解释这个过程。我们还报告了潜在的挑战、合适的解决方案和经验教训,以支持所呈现的过程框架。我们希望报告的经验可以为那些打算将软件应用程序迁移到云计算的人提供指导。
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引用次数: 53
Optimal Pricing of Multi-model Hybrid System for PaaS Cloud Computing 面向PaaS云计算的多模型混合系统最优定价
Pub Date : 2012-11-22 DOI: 10.1109/CSC.2012.42
Hao Lu, Xing Wu, Wu Zhang, Jin Liu
Success of cloud computing service depends on an acceptable pricing model, especially in the PaaS. As a dynamic platform, PaaS layer depends on the infrastructure layer and extends to the application layer. How to find an optimal pricing policy is the problem for the cloud providers in face of stochastic and dynamic demand. In this paper, we present an approach of dynamic pricing model in order to get max profits. We analyze the model by a multi-condition hybrid system. But we also use a theory of revenue maximization and cost minimization. When at a current state, the system content cost minimization to build a hybrid system for revenue maximization, we will get the most profits.
云计算服务的成功取决于一个可接受的定价模式,特别是在PaaS中。PaaS层作为一个动态平台,依赖于基础设施层,并向应用层扩展。如何找到一个最优的定价策略是云提供商面对随机和动态需求的问题。本文提出了一种以利润最大化为目标的动态定价方法。我们用一个多条件混合系统来分析模型。但我们也使用收益最大化和成本最小化的理论。当在当前状态下,以系统内容成本最小化来构建一个收益最大化的混合系统时,我们将获得最大的利润。
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引用次数: 6
Stream-oriented Availability Services for Endpoint-to-endpoint Data Transmission 端点到端点数据传输的面向流的可用性服务
Pub Date : 2012-11-22 DOI: 10.1109/CSC.2012.40
Weilong Ding, Yanbo Han, Zhuofeng Zhao, Jing Wang
Continuous real-time data stream show its significance in many applications under Cloud computing. Traditional high availability mechanism for data stream processing systems is dedicated and tightly coupled, and brings difficulties on maintenance or extension if requirements change. In this paper, basic endpoint-to-endpoint transmission is separated as general services from particular systems to independently provide no-loss guarantee of upstream data, through which high level extended HA mechanism can be realized conveniently. Comprehensive experiments illustrate that the overhead of the services is quite small and the tradeoff between guarantee and overheads is acceptable.
连续的实时数据流在云计算下的许多应用中显示出其重要性。传统的数据流处理系统的高可用性机制是专用的、紧耦合的,在需求变化时给维护和扩展带来困难。本文将基本的端点到端点传输作为一般服务从特定系统中分离出来,独立提供上游数据的无丢失保障,从而方便地实现高层次扩展HA机制。综合实验表明,服务的开销很小,保证和开销之间的权衡是可以接受的。
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引用次数: 2
On-Demand Service-Oriented MDA Approach for SaaS and Enterprise Mashup Application Development 用于SaaS和企业Mashup应用程序开发的按需服务的MDA方法
Pub Date : 2012-11-22 DOI: 10.1109/CSC.2012.22
Xiuwei Zhang, K. He, Jian Wang, Jianxiao Liu, Chong Wang, Hengkuan Lu
As one of the fundamental technologies in cloud computing, services computing is playing a critical role to enable provisioning of software as a service (SaaS). However, how to effectively and efficiently develop and deploy personalized SaaS and enterprise mashups on the cloud platforms remain a big research challenge. SaaS developers and researchers may adopt certain strategies by leveraging existing services available in the cloud and using model driven approach. They can compose and design new value-added services as on-demand SaaS and enterprise mashup applications deployed on cloud platform. In this paper, we propose an On-Demand Service-Oriented Model Driven Architecture (ODSOMDA) approach that involves adding Service Oriented Architecture (SOA) elements into MDA to realize the model transformation based on a Role&Goal-Process-Service (RGPS) meta-model. The meta-level analysis of MDA is applied to facilitate construction of SaaS and mashup applications through three-layer automatic (semi-automatic) model transformation. Finally, we develop an enterprise mashup prototype as a practical case study to prove the effectiveness of the proposed approach.
作为云计算的基础技术之一,服务计算在实现软件即服务(SaaS)供应方面发挥着关键作用。然而,如何在云平台上有效和高效地开发和部署个性化SaaS和企业mashup仍然是一个巨大的研究挑战。SaaS开发人员和研究人员可以通过利用云中可用的现有服务和使用模型驱动的方法来采用某些策略。他们可以组合和设计新的增值服务,作为部署在云平台上的按需SaaS和企业mashup应用程序。在本文中,我们提出了一种随需应变的面向服务的模型驱动体系结构(ODSOMDA)方法,该方法包括将面向服务的体系结构(SOA)元素添加到MDA中,以实现基于角色&目标-过程-服务(RGPS)元模型的模型转换。通过三层自动(半自动)模型转换,应用MDA的元级分析来促进SaaS和mashup应用程序的构建。最后,我们开发了一个企业mashup原型作为实际案例研究,以证明所提出方法的有效性。
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引用次数: 15
期刊
2012 International Conference on Cloud and Service Computing
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