The government vigorously promotes educational balance "video cloud computing"
The times are moving forward, and educational methods should also be innovated accordingly. Remote video technology can help education develop further. Children in the city have already started to contact computers early. If the educational method can intervene from the perspective of computer and network, it can guide children from a relatively positive angle and tell them how to acquire knowledge through the Internet, and this acquisition method is interesting, professional and personalized.
For children in rural and remote areas, because the differences in teaching conditions and teaching resources in different regions are also uneven, online video education can help teachers and students in different regions to keep abreast of the update of teaching materials. In fact, traditional textbooks are also being updated, but the speed is very slow. Perhaps only once or twice in a decade or so, but the times are moving faster. Online education can be used to update in time and invigorate the textbooks.
At the same time, using the unlimited capacity and advanced information technology of the mature education network, it can be serialized, fully equipped, and can be provided endlessly. This solves another problem: many publishers are reluctant to publish supporting teaching books for schools. , Because it is not cost-effective if the circulation is not large enough. If online education can be carried out, the problems of serialization and selectivity of textbooks, modernization of textbooks, and the expansion of textbooks can be solved, which is indeed much superior to traditional textbooks.
Driven by the policy environment, various measures were taken to promote the balanced development of educational resources, narrow the gap in school-running conditions between schools, balance public and private education resources, balance education resources inside and outside the special zone, and regulate teaching resources within schools. VIEWGOOD Video Cloud Computing Research Center has launched a video cloud computing-based platform for the integration of educational resources, which perfectly promotes the balance of educational soft resources at all levels of education committees (electronic education halls). How to achieve resource integration and sharing?
Video Cloud Computing Architecture Promotes Balanced Education Process
When it comes to cloud computing, the two most commented by friends in the industry are "very hot" and "too conceptual." Cloud computing is very close to us, and IT giants are talking about the epoch-making changes brought about by cloud computing in various media; on the other hand, cloud computing is "very far away". Different companies stand in their own fields and angles There are different understandings of calculation, and it can be said that the elephant is invisible.
We might as well look at cloud computing from several different perspectives. From the perspective of technology development, cloud computing is developed from distributed computing, parallel computing, and grid computing. It is virtualization, utility computing, IaaS (infrastructure as a service), PaaS (platform as a service), and SaaS (software as a service) ) And other concepts mixed and evolved.
The purpose of video cloud computing in education is to use existing hardware and software to add a layer of cloud video storage and sharing in the audio-visual education hall (or educational commission), so that the educational resources of schools in a region can be integrated and applied to streaming video Service, it can not only realize the sharing of resources in a region or school, but also ensure the unified export of policy communication, greatly improve work efficiency and solve the use of limited resources.
The system uses the most advanced video "cloud computing" technology, which is to add a new network architecture to the existing Internet, upload streaming media content to the central node service, and can also be shared with various "edge" nodes. Allows users to obtain the required content at multiple nodes to improve the utilization rate of video resources. The independent streaming media system that achieved the original construction realizes interconnection and intercommunication, and solves the repeated construction of resources.
At the same time, VIEWGOOD comprehensively solves the technical problems such as large user access, uneven distribution of outlets, and congestion to the backbone network, and improves the user's access to streaming media content and response speed. It adopts the first international content mixing optimization technology, and supports multiple media format files of different code streams, and distributes them on the same edge server setting for mixed deployment, which greatly saves the operator's server resources.
This deployment model is aimed at the education bureau and various schools under it. Each requires independent application of the system and the education metropolitan area network management platform can realize interconnection and sharing of various live broadcast, on-demand video and other resources with the school!
Examples of video cloud computing applications in the education industry
Dozens of schools are under the jurisdiction of Shanghai Jinshan District Education Bureau, and some schools have now adopted a recording and broadcasting system. In order to better realize the widespread use of recording and broadcasting classrooms in various schools of Jinshan District Education Bureau, streaming media applications are realized throughout the district. The application of the Education Bureau is normalized, the education resources are balanced, and the natural resources can be jointly built and shared, and the popularization of online teaching curriculum evaluation and evaluation is truly achieved. For this purpose, a practical and feasible streaming media synthesis needs to be given for the needs of the Jinshan District Education Bureau Applied erection topology.
The streaming media platform is deployed in a distributed architecture and is divided into a web server, database server, live broadcast server and streaming server. If necessary, a collection workstation can be set up in the information center to build a network TV or live broadcast application. Recording and broadcast systems have been deployed in various schools or The classroom of the live broadcast system is equipped with streaming media function components, so that the recorded live broadcast can be transmitted to the global live broadcast server of the streaming media platform management center in real time. At the same time, the recorded school courseware can also be uploaded to the stream storage of the Jinshan Education Bureau Information Center On the server, it is convenient for future retrieval, on-demand, evaluation and other applications.
The application of cloud computing in resource integration 1. Remote classroom: online real-time viewing of remote education channels through the system on the Internet (education network) to facilitate remote listening (multi-screen live broadcast on the same screen: student video all the way, teacher video all the way, all the way (Teacher computer screen), online learning (after-class review), but also solved some of the problems that can not come to school for class. At the same time, the signal is pushed to the education committee platform for other school students to study in real time at home, library, electricity or other places, and can also watch the classroom video after class to complete the learning task. Realize the balance of school resources and famous teacher resources in the district.
2. Student training TV station: You can let each school establish multiple internship TV stations, let the student community host the live broadcast TV program, you can announce the scheduled event in advance, then let the teachers and students watch live, participate in various community activities, and the event process can be real-time It is recorded as a video file, and the event film can be edited afterwards as an on-demand teaching material. All the channels are not only published on the school's website, but also pushed to the education committee resource integration network, which is convenient for other schools to watch and learn together. Achieve multi-school activity collaboration, diversify activities, enrich and expand students' knowledge.
3. TV relay: The analog signals of the TV are collected and broadcasted live in real time through the platform, so that you can build your own online education TV station, such as the Central TV Station 10 and Education TV Station. The education management department can determine the selected channel according to its teaching plan and then collect it on the platform. Of course, it can be adjusted regularly. You can choose to watch according to your learning needs. You can easily build the TV channels of the platform into a large network TV station with hundreds of channels. Using the cloud computing method, the central education committee can integrate the live broadcast signals of various schools and integrate them and pass them to the schools without live broadcast collection signals, so as to realize the rational use of resources, reduce the repeated investment of schools, and achieve the balance of educational resources.
4. Red education: store classic movies, educational films, feature films, documentaries, etc. in the video server, which is convenient for teachers and students to click to study after class, enrich students' extracurricular life, and enable students to develop in an all-round way . The platform uses cloud computing technology, supports all streaming media formats, can be added in batches, can only identify and other functions, which greatly facilitates managers and viewers. The resources of each school can be automatically integrated into the education committee, and the resources of the education committee can be downloaded to the school's video education platform to achieve resource sharing.
Cloud computing uses virtualization technology, which greatly saves the construction cost of the IT infrastructure of the data center of the Education Commission (Electronic Education Museum); supports the ability to carry the business operations of multiple schools (units) on the same IT infrastructure, helping Various educational services are loaded and operated in the data center; at the same time, the centralized processing advantages of cloud computing are used to improve the operating efficiency of IT infrastructure and reduce the energy consumption of the entire education system.
In the next-generation education network, the deployment of video cloud computing will be an inevitable trend, which will greatly reduce the cost of using IT technology. No matter whether it is the education committee (or audio-visual education hall) or the end school user, there is no need to pay too much attention to various IT The specific details of the technology are realized, and the focus is on its business logic and operating model. Cloud computing allows each independent school platform to integrate resources and make a truly feasible solution for the integration of educational resources in the region.
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