With the further development of informatization, the state attaches great importance to the education industry, relying on cloud computing, big data, multimedia and other information technologies, using the Internet as a carrier, online education is new and changing with each passing day. According to CNNIC statistics, in 2015, online education in various fields. The use rate of primary and secondary education users is the highest, at 37.7%. This part of the market has the largest number of users and the strongest demand. Secondly, vocational skills training and vocational examinations, the user usage rate is above 20%.
Figure 2015 Online education user usage in all areas
However, in most primary and secondary schools and colleges, the traditional computer room deployment method uses ordinary PC equipment to connect computers through the local area network. The classroom teachers interact with students through the computer on the multimedia console. Some schools also The use of third-party teaching software to achieve interaction or supervision with students, whether in the classroom environment, computer room maintenance or energy consumption, there is a lag in the cloud era.
Based on the understanding and insight into the development trend of the desktop and deepening the needs of users in the education industry, Tsinghua Tongfang has launched a solution of the independent desktop "cloud classroom" to promote the popular education into the cloud era. It is understood that as the earliest enterprise engaged in the development of desktop cloud computing terminals and solutions in China, with more than ten years of technology and experience in the field of cloud computing, Tsinghua Tongfang has witnessed the development of cloud computing in China, with servers and thin clients. The complete cloud computing product line, such as autonomous cloud terminal, "same network +" desktop cloud, virtualization, "cloud classroom", has become one of the largest desktop cloud solution providers in China.
In the product design process, the "Cloud Classroom" program pays special attention to the balance of the overall performance, cost and user experience of the product, and fully considers the IT application and management status of the industry training classroom, reducing the cost and effectively reducing the product deployment. Requirements for the operating environment. The product has the characteristics of rapid deployment on-line, high load density, wide application range, good application experience and low management complexity.
1. Subversion: Subverting traditional multimedia classrooms
As is known, the traditional computer network classrooms mainly use PC or diskless workstations as the main equipment. At present, it faces challenges in many aspects including application environment, space, maintenance, cost, etc., and it is increasingly incompatible with the current environment and needs to be changed.
Compared with traditional multimedia classrooms, Tsinghua Tongfang "Cloud Classroom" solves many problems such as high-definition video playback, high concurrent downtime, data security fault tolerance, energy saving and environmental protection under virtual technology, and realizes smooth playback of 1080P HD video and video. Source and player are unlimited. Strong cloud performance, combined with centralized management and control technology of intelligent resources, greatly improved the utilization of hardware resources and simplified operation and maintenance management. Any failures can be handled remotely through the management console, and management efficiency is increased by more than 40 times.
Second, streamlining: tailor-made solutions
In recent years, various information platforms such as multimedia classrooms, digital libraries, and student file management at all levels of educational institutions have been gradually established. However, with the expansion of applications, such as maintenance complexity, data security, difficult cross-platform applications, low utilization, high procurement and use costs, and so on.
Regarding the various drawbacks of the appeal, Tsinghua Tongfang looks at it and makes great efforts to change it. It continues to carry out research and development of technology and products. It is understood that in the beginning of cloud computing in 2008, it is easy to adopt a new ARM architecture terminal. The world's first cloud terminal concept product, and lead the desktop computing into the era of ultra-small size, ultra-low power consumption, ultra-quiet.
Tongfang's original cloud terminal products and tailor-made "cloud classroom" solutions have completely overcome the problems and drawbacks of many traditional computer classrooms. They are easy to maintain, small size, low power consumption, low noise, long life and high cost performance. Advantages of fully equipped teaching software: software integration, customized teaching environment, simple and fast installation; simple BS browser console, customized functions, faster to get started; server batch simultaneous transmission, terminal batch update / deployment operating system, Easy to deploy on a large scale; golden mirroring, user batch creation, and rapid creation of virtual desktops;
System/software batch cloning takes only 3 minutes
Third, compatible: to meet a variety of different environments
In order to further meet the needs of different application environments, especially for office and application requirements, Tsinghua Tongfang "Cloud Classroom" provides different deployment methods, whether it is administrators, classrooms, students, simple, easy to use, highly customized, highly integrated. :
Typical architecture of cloud classrooms - centralized deployment: All cloud hosts are centrally deployed in the school computer room or district/county data center, and management personnel are unified in operation and maintenance. Each classroom allocates cloud host hardware resources, and the teacher machine directly manages the cloud host resources and student terminals.
Typical Architecture for Cloud Classrooms - Distributed Deployment: One cloud host is deployed in each multimedia classroom; several servers are deployed in the school/district data center computer room to manage resource scheduling for all cloud hosts.
At the same time, Tsinghua Tongfang maintains close cooperation with desktop virtualization vendors such as CITRIX, VMWARE, and MICROSOFT. The products are undergoing compatibility testing with the above-mentioned vendors' virtualization products, and the above vendors have fully cooperated on products and solutions. Currently, Tongfang is a provider of silver solutions for CITRIX and a professional solution provider for VMWARE. These have ensured the continuous improvement and improvement of Tongfang’s “cloud classroom†solution...
Fourth, energy saving: one school acre forest plan
Today, the whole society advocates energy conservation and emission reduction. Tongfang’s “cloud classroom†solution has completely disrupted traditional multimedia classrooms in terms of energy conservation. Tongfang "cloud terminal" output power is only 5W, which is extremely energy-saving.
According to a school's 100 cloud terminals, each cloud terminal works 250 days a year, and works 8 hours a day. 100 cloud terminals save 39,000 kWh [8*250*(200-5)] watts per year. This is equivalent to 15.6 tons of standard coal required to save productivity, reduce 2.488 tons of carbon dioxide emitted by burning coal, reduce emissions of 10.6 tons of dust, and reduce emissions of 1.17 tons of sulfur dioxide. Each use of 100 cloud terminals is equivalent to contributing one mu to society. Broad-leaved forest!!! It can be said that this is a very remarkable achievement, which drastically cuts the electricity consumption of enterprises and institutions and conforms to the national energy conservation and emission reduction policies.
At present, Tsinghua Tongfang "cloud classroom" solution has been in Tsinghua University Library, Yucai Primary School in Changsha City, Zhumadian Experimental Middle School, Jincheng Yangcheng Vocational High School, Hebei Lingshou County Primary School, Jiangsu Nantong Primary School, Zibo Middle School. Schools such as Jiangsu Wuxi Primary School, Sichuan Qingbaijiang Middle School, Dana Education and Training Institute, and Wuxi Vocational Education and Training Base have been successfully applied. Tongfang Cloud Terminal and Thin Client have accumulated more than 1,000 schools. It is well received by the majority of schools and students. It has a large number of mature application cases in the education industry and has become a leading provider of educational informationization in China.
With the further development of informatization, the state attaches great importance to the education industry, relying on cloud computing, big data, multimedia and other information technologies, using the Internet as a carrier, online education is new and changing with each passing day. According to CNNIC statistics, in 2015, online education in various fields. The use rate of primary and secondary education users is the highest, at 37.7%. This part of the market has the largest number of users and the most demanding demand;...
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