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Research and implementation of instant communication framework in Mobile cloud computing environment Geosciences Li Hirong This paper presents an optimized framework for instant messaging in Mobile cloud computing environments by deeply studying the characteristics of cloud computing and the way mobile terminals connect to the cloud. Around the framework, we study the data Transmission format optimization technology and how to use Markov model to improve the network switching strategy. Firstly, this paper introduces the design of frame cloud and mobile client, the cloud is divided into several levels, including data cache layer, data storage layer and network switching prediction engine.

Energy-saving algorithm for periodic allocation of service image positioning system in Mobile cloud computing Chongqing University of Posts and Telecommunications in Shikawa Mobile cloud computing, in view of the problem of resource reallocation in service image positioning System, this paper gives an improved system allocation scheme based on the existing wireless channel monitoring module. According to users ' service quality, the scheme divides users into 4 levels, each of which uses different schemes or different cycles to redistribute resources, thus reducing the number of allocations and saving the energy consumption of the system. The simulation results show that compared with the latest literature, the proposed scheme makes the system ...

Intel power-assisted large data ecosystem architecture from hyper-Intel China Cloud Computing Innovation Center-the Understanding of cloud computing and large data--big data proposal--Intel Power Cloud Data Center building Intel Power-assisted data ecosystem construction

Design and implementation of cloud security comprehensive analysis system Zhang Wei Dong Qunfeng for the current mainstream cloud security analysis system is not high intelligence, with the disadvantage of weak processing ability, this paper puts forward the model of pipelining pf_ring with parallel processing ability, introduces the biological sequence matching algorithm into the cloud intrusion detection model, and matches it with the multi state matching algorithm , the vulnerability assessment algorithm is combined to design and implement the Cloud Security Integrated Analysis (Cloud) system (Comprehensive analytical System,csas). Experiments show that the system ...

Sales logistics cost model of terminal customer preference under cloud services Wang Shanshan Ding Lin Yiu Jinyuan to reduce the cost of sales and logistics of the company, the paper proposes a sales logistics planning model based on customer preference under cloud service. Mining user preferences by building cloud sales platforms and embedding cloud based data mining models in the sales platform To provide users with personalized logistics services. For price-sensitive and time-sensitive consumers, set up a mixed integer programming model for sales logistics planning, including customer purchase model, General Logistics Transportation Plan model, and logistics Transportation planning module which distinguishes user preference.

Task layer scheduling algorithm based on time-sharing virtual machine in cloud Workflow Wang Li Longyu cloud Computing is a new market-oriented business computing model that provides services to users on demand, and the business nature of cloud computing focuses on the quality of service delivery to users. Task scheduling and resource allocation are two key technologies in cloud computing, and the virtualization technology used makes its resource allocation and task scheduling different from the previous parallel distributed computing. At present, the main scheduling algorithm is to draw lessons from the grid environment scheduling strategy, research on QoS-based scheduling algorithm, there is a low implementation efficiency problem. We have a cloud workflow task ...

Research on green energy-saving of it operation and management in cloud environment Liu Li Shuzhi for the current server application of the massive increase in energy shortages, while the traditional IT service management inefficient, single, resource waste, and complex combinatorial optimization problems, This paper proposes a research on it operation and service model innovation based on cloud computing. Based on cloud computing application environment, this method is based on Web2.0, ITIL V3.0 and SOA architecture, taking cloud Service resource database as core, combining existing traditional it operation and management technology and cloud computing platform management advantages. The study ...

Cluster load analysis and scheduling strategy in cloud Environment Hangzhou Institute of Technology should Junbenwen firstly, the characteristics of traditional data center and its drawbacks are analyzed, the characteristics of cloud data center are analysed, and then the load monitoring technology and the Libvirt based virtual machine load collection technology are studied. This paper introduces the concept and characteristics of dispatching in cloud environment, and analyzes the scheduling mechanism in cloud environment with OpenStack Cloud Platform as an example. Taking Cloudsim as an example, the cloud simulation technology is analyzed and the main modules are studied. Then, in order to have a deep understanding of ...

Multi-user file sharing scheme in cloud environment Wang Zhenghua Han Yu Liu Jichang with the rapid development of cloud storage technology, More and more users use cloud storage services to transfer local file storage to the cloud to implement file sharing with multiple users. Aiming at the problem of different access rights for multiple users sharing the same file in cloud environment, an efficient multi-user file sharing scheme is proposed. The new scheme is based on ElGamal encryption system and proxy encryption technology, and realizes that the file owner can only add The secret once allows shared users to access different content targets. Compared with the existing scheme ...

Hierarchical multi-table connection based on two-dimensional node matrix in cloud environment Tao Yongzai Zhou Mengxue Benji Wei Lin Cao Yunjie with the advent of the "Big Data" era, distributed data processing has been widely used and developed. In cloud computing, the complexity processing requirements are increasing, and data analysis usually needs to cross multiple datasets. Therefore, an efficient multiple-table connection mechanism is urgently needed. The existing multi-table connection mechanism based on MapReduce adopts serial cascade to realize multiple connections of different data sets, and the operation is flexible but inefficient. This article in ...

Research on dynamic resource scheduling for SBS application in cloud environment Northeastern University Zhang this paper establishes a SBS application performance evaluation model, and puts forward a dynamic resource scheduling method based on SBS, which combines static initial resource scheduling with dynamic resource scheduling. The application performance of SBS is ensured by dynamically adapting to the change of user's access behavior. In order to solve the initial resource scheduling problem of SBS application, this paper gives the mathematic model of the initial resource scheduling problem which satisfies the performance constraint of SBS, and puts forward the resources unlimited and limited two respectively.

Research and realization of central-oriented authentication in cloud computing environment Zhongshan University Ba Zhongjie in this paper, the existing single sign-on technology in the domain of Cross-domain authentication and stability problems, a new identity authentication model is designed, and the trust relationship between different identity management domains in Cross-domain authentication is modeled, and the responsibilities and permissions of members in each domain are clarified. At the same time, for the special requirements of cross-domain authentication, this research designs a set of off-line authentication method which is independent of domain protocol, and can conduct secure Cross-domain authentication in the case of the core node being off-line. Finally, this paper proposes a set of Cross-domain identity ...

Dynamic Virtual Enterprise Partner selection model under cloud computing environment Zhang Yiwen Yu Zhiwei Songjie The massive enterprise information retrieval in the Internet and the establishment and management of the virtual enterprise UDDI have become the serious obstacles for the small and medium-sized enterprises to set up virtual enterprises. Cloud computing provides virtualized resource computing patterns through the Internet, enabling businesses to quickly deploy resources and access information services, making it possible for SMEs to create business alliances at fast and low cost. This paper proposes a dynamic virtual Enterprise partner selection model under cloud computing environment, and adopts parallel filtering mechanism to reduce the problem solving space.

Cloud computing infrastructure based on the cloud computing scenario model we presented above, this section presents a basic architecture of cloud computing to provide a reference for readers.  The framework for this architecture is shown in Figure 9.1. In this framework we have to solve the following problems. (1) The user is quarantined when the unreliable node fails. (2) Computing and storage integration to accommodate computationally intensive and data-intensive tasks. (3) Computing the virtualization of resources and storage resources. (4) Isolation of data storage and computation between different applications and different users of the application layer. (5) Application layer ...

Multi-sensor target recognition based on Bayesian network in cloud computing Zhang Minglipo Liu Coquan Gao based on cloud computing can realize the characteristics of mass data processing of distributed parallel program, put forward multi-sensor target recognition and fusion processing on cloud computing Hadoop platform, and run it on computer cluster composed of multiple nodes. Based on the principle of target recognition, the structure of Bayesian network is established, the data of target recognition preprocessing is fused, the target type is inferred, and the efficiency of Hadoop cluster in different situations is analyzed. The experimental results show that the fusion of target recognition ...

Research and realization of HDFs ha under cloud platform Wang Gang of Northwestern University this paper has carried on the thorough research to the above existence question. This paper analyzes the reason of Namenode single point fault, studies the design idea of the existing scheme, analyzes the feasibility of porting Hadoop to the existing cloud platform, and puts forward the high availability scheme of Namenode based on the virtualization platform. The scheme guarantees the high availability of namenode from two aspects. On the one hand, the implementation of a Namenode host load migration strategy, when host ...

Research on the key problems of virtual machine deployment in cloud Platform Dong Yu, Jilin University, China This paper analyzes the current popular virtual machine deployment strategy and its related improvement methods, and analyzes the current research work of cloud computing researchers on the mechanism of virtual machine deployment. Based on this, this paper studies the customization method of virtual machine image, designs the location selection strategy of virtual machine deployment based on performance energy consumption ratio as evaluation standard, and studies the key problems of virtual machine deployment mechanism. The main contributions of this paper are as follows: (1) custom virtual machine mirrors via LFS (Linux from Scratch) ...

Research on cloud Data Management index technology the explosive growth of Ma Youzhong Mengxiao data poses great challenges to traditional relational databases, so that it has encountered the bottleneck in the aspect of expansibility, fault tolerance and so on. Cloud computing technology relies on its high scalability, high availability, fault tolerance and other features to become a large-scale data management effective solution. However, the existing cloud data management system also has deficiencies, which can only support the fast query based on the primary key, because of the lack of indexes, views and other mechanisms, so can not provide efficient multidimensional query, join and other operations, which limits the cloud computing in ...

Research on service delivery problem of multi-layered application in cloud Shandong Zhang Sweet This paper presents the challenges faced by multi-tier application service delivery in the cloud, this paper mainly studies: 1, constructs the on-line monitoring structure, carries on the monitoring to the Multi-layer application each layer load distribution, and proposes the forecast method based on the autoregressive model to forecast the application load, It solves the problem of dependency complexity between layers of multi-layer application, and monitors the service characteristics of each layer, which solves the complexity of service characteristics between layers of multilayer application. 2, the application of queuing theory to deploy multi-layer application of the resources of each layer to model, to solve the resources of ...

The design of data cloud warehouse of intelligent power grid under Hadoop cluster Zheng Meng Wen Yidong Liang for the large scale of power grid data, with many types, small value density, fast changing speed and discrete geographical location, this data can be efficiently, reliably and cheaply stored and quickly accessed and analyzed to meet the needs of intelligent power grid operation and overhaul , benefit management and other applications, this paper puts forward the solution of the intelligent power grid data Cloud warehouse under the low voltage PC cluster of Hadoop, which provides an effective, reliable and inexpensive tool for mining the massive power grid data. First, the characteristics of large power grid data are analyzed.