Current Issue

• 2020, Vol. 46, No. 11 Published:15 November 2020 Previous Issue Next Issue
• Urban brain:navigate the new future of smart city
• LIANG Peng
• Information and Communications Technology and Policy. 2020, 46(11): 1-6.
• Abstract ( 841 ) 　　
• This paper analyzes the industrial development and construction situation of urban brain, expounds the innovative understanding, makes a judgment on the future development trend, and puts forward six key suggestions and future prospects.
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• The reform of IoT services of telecom operators
• ZHAO Xiaofei
• Information and Communications Technology and Policy. 2020, 46(11): 7-13.
• Abstract ( 264 ) 　　
• This paper analyzes the status of IoT services of telecom operators,studies the relationship between the changes of telecom operators’ network infrastructure and the business structure of IoT, and explores the value of IoT beyond connectivity.
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• Building CIM platform to promote the landing of digital twin city
• CHEN Cai, ZHANG Yuxiong
• Information and Communications Technology and Policy. 2020, 46(11): 14-17.
• Abstract ( 434 ) 　　
• The City Information Model (CIM) platform is the core of the digital twin city. It is of great importance as the demand for digital twin applications continues to expand. This paper introduces the development status and future prospects of the CIM platform from the aspects of practical significance, structure composition, industrial ecology, and platform construction.
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• Research and development of smart building and smart city standards
• DU Mingfang, XING Chunxiao, YAO Shiquan, LIANG Hao
• Information and Communications Technology and Policy. 2020, 46(11): 18-22.
• Abstract ( 391 ) 　　
• Intelligent building involves many subdivisions, many kinds of national standards and other standards are often involved in some of its content. Based on a systematic review of international and domestic standards for intelligent buildings and smart homes, this paper gives several major suggestions on the standards of smart buildings and smart cities in China at the present stage.
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• Grid governance and practice of smart cities in the post-epidemic era
• ZHU Tingting, LIU Qiang, XU Jingyu
• Information and Communications Technology and Policy. 2020, 46(11): 23-28.
• Abstract ( 381 ) 　　
• In recent years, grid governance has been widely used in various fields of smart city governance practices,and it has played a prominent role in fighting the epidemic. It is becoming an important means to promote the modernization of urban grassroots governance system and governance capabilities. This article explains the development stage and policy support of grid governance, sorts out practical cases of grid governance in smart cities, analyzes the current dilemma of grid governance, designs a smart city grid integrated governance platform architecture, and finally puts forward relevant development suggestions.
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• Exploration of long-term development mechanism of smart cities
• ZHU Gang, LIU Yuchen, XIA Junjie, SUN Liang
• Information and Communications Technology and Policy. 2020, 46(11): 29-33.
• Abstract ( 355 ) 　　
• Smart city is a complex project. At present, there is no long-term mechanism for overall construction, operation and management. Based on the value construction of the whole life cycle of smart city, this paper proposes to build a long-term mechanism with top-level planning, collaborative development, sustainable operation, integrated technical route and scientific evaluation. In addition, this article suggests using county-level smart cities as pilot innovation bases and building smart city clusters.
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• Ananalysis of smart park based on CIM
• JIN Cheng, SHA Moquan, GUO Zhongmei, SHAN Fei
• Information and Communications Technology and Policy. 2020, 46(11): 34-38.
• Abstract ( 414 ) 　　
• The construction of smart park has been relatively universal, but there are few cases of smart park using City Information Model (CIM) platform as the “digital base”. In fact, CIM platform is of great significance to the delicacy management of the park. Based on the development and application of CIM technology, this paper proposes the overall design of the smart park, and expounds the application and development suggestions.
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• Research on smart city construction and big data security
• XU Minghui, JIN Le, FENG Xiaopeng
• Information and Communications Technology and Policy. 2020, 46(11): 39-43.
• Abstract ( 290 ) 　　

• This paper summarizes the big data security issues in the process of smart city construction by studying the overall architecture. By analyzing the causes of big data security issues, it gives suggestions on how to improve big data security capabilities, so as to ensure the real realization of data integration and information security in the construction of smart cities, thereby promoting the sustainable and healthy development.

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• Research on the development model of international operators’digital transformation
• SONG Zhenliang, REN Bo, DONG Xiaoying
• Information and Communications Technology and Policy. 2020, 46(11): 44-50.
• Abstract ( 452 ) 　　
• Based on the relevant theories of digital transformation, this paper puts forward a practical research framework for digital transformation of telecom operators, and gives five important transformation dimensions: value proposition, business development, operation mode, work resource, information and data. Then, based on five dimensions, this paper analyzes the four mobile network operators AT&T, KDDI, T-Mobile and Jio, which are slightly effective in the digital transformation and development at this stage, so as to summarize four typical models of digital transformation and development of mobile network operators.
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• Thoughts on the implementation of digital new infrastructure strategy
• MA Conghui
• Information and Communications Technology and Policy. 2020, 46(11): 52-56.
• Abstract ( 348 ) 　　
• Based on the constrution of drgital infrastructure,“new infrastructure” is the strategic cornerstone of the development of the digital economy. 5G, artificial intelligence, and big data are called “digital new infrastructure”.This paper discusses the ideal scenario of the digital new infrastructure, points out the main difficulties in the implementation of the strategy, and puts forward suggestions for the implementation of the digital new infrastructure.
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• Research on the development of digital transformation in agriculture
• LI Min
• Information and Communications Technology and Policy. 2020, 46(11): 57-61.
• Abstract ( 556 ) 　　
• The new generation of digital technologies such as the internet, big data, artificial intelligence, and blockchain are deeply integrated with agriculture, which is of great significance for China to promote the modernization of agriculture and rural areas, accelerate the construction of digital villages, and implement rural revitalization strategies. We must seize the development opportunities, consolidate the foundation of agricultural digital transformation, improve the level of digitalization of the entire agricultural industry chain, and explore new models of digital agricultural integration, so as to promote the transformation of agriculture digitalization.
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• Development status and planning suggestions of digital economy in cities
• ZHU Xinyue, XING Liyun, SHEN Qi
• Information and Communications Technology and Policy. 2020, 46(11): 62-65.
• Abstract ( 432 ) 　　
• The digital economy is an important support for China􀆳s economic development and plays a pivotal role in the adjustment and optimization of the industrial structure. With the implementation of the new infrastructure policy, local and municipal governments issued digital economy development plans, giving priority to the development of the digital economy. Combining the opinions of different industrial clusters, government agencies, key enterprises and other digital economy stakeholders in the digital economy research and practice of various cities, this paper analyzes the development trend and current situation of the digital economy in cities, and puts forward suggestions and planning on existing problems.
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• Research on the security capability baseline of IoT devices
• GAN Xiang, ZHAO Zeguang, LIU Yu, LIU Muqing
• Information and Communications Technology and Policy. 2020, 46(11): 66-71.
• Abstract ( 438 ) 　　
• This paper discusses the security issues of IoT devices,to points out the current attack surfaces, then defines a group of common devices capabilities to support the conventional cybersecurity, to protect devices, data and systems.Based on equipment security, this paper analyses the threats, and gives recommendations for protection strategies and security developments.
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• A high-performance distributed transaction and consistent replication implementation
• ZHAO Pei, ZUO Qi
• Information and Communications Technology and Policy. 2020, 46(11): 71-78.
• Abstract ( 308 ) 　　
• As a distributed transaction database for massive data processing scenarios, GoldenDB supports distributed transactions while ensuring financial-level strong consistency, high scalability, and high availability. This article introduces the high availability and consistency requirements in the financial and telecommunications scenarios,develops a highperformance distributed transaction and a Raft-enhanced implementation of a consistent log replication protocol.
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• Research on application of 5G technology in industrial manufacturing
• XU Nannan, SUN Ming, SUN He, LIU Jiamin
• Information and Communications Technology and Policy. 2020, 46(11): 79-85.
• Abstract ( 370 ) 　　
• China's manufacturing industry is undergoing profound changes in digitalization, networking, and intelligence. The Industrial Internet is an important foundation for the new industrial revolution and intelligent manufacturing. 5G􀆳s lower latency, higher speed and better business experience will make it an important role in promoting the in-depth integration of informatization and industrialization. This paper introduces the importance of providing mobile coverage in factories and industrial buildings, analyzes indoor and outdoor wireless network systems, investigates the running mobile networks and standardized 5G technology, estimates the preference of 5G technology in manufacturing, and shows that the development of 5G technology can bring Industry 4. 0 changes to smart factories and manufacturers
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• Research on distributed database technology and its development trend
• TANG Hao, JIANG Chunyu, TIAN Jiafeng
• Information and Communications Technology and Policy. 2020, 46(11): 86-90.
• Abstract ( 673 ) 　　

• Database is an efficient software for organizing, storing and managing data. In 2000, the distributed database began to deal with massive data storage, high concurrent read and write tasks, etc. With more than 20 years of development, the industry has produced a lot of theories and products in the field of distributed database. This paper introduces the background, core technology, typical products and future technology development trend of distributed database.

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• Research on distributed database migration methods
• LIU Siyuan
• Information and Communications Technology and Policy. 2020, 46(11): 91-96.
• Abstract ( 299 ) 　　
• This paper discusses the difficulties, pain points and common problems of distributed database migration, analyzes the key parts of the migration process and testing methods, and proposes suggestions on migration services and tools. This article provides new guidance and methods for both supply and demand sides of database migration services.
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