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As a platform of data storage,processing,and service,big data platform needs to support internal and external various big data applications.A solution applied PaaS technology to the big data platform was proposed.Details of the key technical solutions such as the architecture of PaaS cloud computing platform,hierarchical scheduling scheme,multi-tenant management and global scheduling of Hadoop tasks were described.It was proved that the platform could remarkably improve big data application development efficiency and help application deployment fast.In the meantime,good elastic scaling capability can effectively improve big data application system resource utilization.

As a platform of data storage,processing,and service,big data platform needs to support internal and external various big data applications.A solution applied PaaS technology to the big data platform was proposed.Details of the key technical solutions such as the architecture of PaaS cloud computing platform,hierarchical scheduling scheme,multi-tenant management and global scheduling of Hadoop tasks were described.It was proved that the platform could remarkably improve big data application development efficiency and help application deployment fast.In the meantime,good elastic scaling capability can effectively improve big data application system resource utilization.

How smart home devices access network,how intelligent control terminals control the smart home equipment,and how smart home devices and application management platform manage users and devices,all the solutions of these problems are changing with the rapid development of smart home application.The application control mode of smart home service was showed,which leads to the key logic hierarchy structure of the application control mode.On the basis of the key logical hierarchy structure,application control scheme based on cloud services was discussed.Finally a summary was given.

How smart home devices access network,how intelligent control terminals control the smart home equipment,and how smart home devices and application management platform manage users and devices,all the solutions of these problems are changing with the rapid development of smart home application.The application control mode of smart home service was showed,which leads to the key logic hierarchy structure of the application control mode.On the basis of the key logical hierarchy structure,application control scheme based on cloud services was discussed.Finally a summary was given.

The construction of network infrastructure plays a key role in the expansion of the telecommunications business，but its infrastructure projects lack uniform standards and effective protection of the environment in the process of planning，implementation，evaluation and management，resulting in a waste of resources，inefficiency， environmental pollution and other problems in the implementing process of the projects. Therefore，depending on the problems encountered in the project management of the telecommunications industry，a green project super vision thought combined with the cloud computing concept and smart mobile devices was introduced. An in-depth research of the construction of a project supervision services system based on the distributed architecture of cloud service was conducted. The purpose was to achieve the unified platform of projects，technical standardization，rea1-time supervision，management process integration，environmental protection and other effects.

The construction of network infrastructure plays a key role in the expansion of the telecommunications business，but its infrastructure projects lack uniform standards and effective protection of the environment in the process of planning，implementation，evaluation and management，resulting in a waste of resources，inefficiency， environmental pollution and other problems in the implementing process of the projects. Therefore，depending on the problems encountered in the project management of the telecommunications industry，a green project super vision thought combined with the cloud computing concept and smart mobile devices was introduced. An in-depth research of the construction of a project supervision services system based on the distributed architecture of cloud service was conducted. The purpose was to achieve the unified platform of projects，technical standardization，rea1-time supervision，management process integration，environmental protection and other effects.

The status quo of public cloud development at a global view was described,a lot effort into researching certification of cloud services in some developed countries were devoted,methodology and indicators for certification of public cloud were put forward,and suggestions related to the practice of certification of public cloud service in China were made.

The status quo of public cloud development at a global view was described,a lot effort into researching certification of cloud services in some developed countries were devoted,methodology and indicators for certification of public cloud were put forward,and suggestions related to the practice of certification of public cloud service in China were made.