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By Alibaba Cloud ApsaraVideo team.
Classes throughout China were suspended due to the coronavirus epidemic, but learning continued online.
On February 17, the Cloud Platform for China's National Primary and Secondary Schools, with the full support of Alibaba Cloud, was officially launched. This platform brings together high-quality educational resources and provides them for free. It was designed to provide online classroom services for nearly 180 million primary and secondary school students throughout China in an attempt to minimize the impact of the epidemic on student education. These cloud classrooms were built based on the cloud computing resources and technologies provided by Alibaba Cloud.
The Cloud Platform for National Primary and Secondary Schools provides six learning resource modules: epidemic prevention education, moral education, special subject education, curricular learning, electronic course materials, and video education. The curricular learning module selects high-quality content from the curriculum resources developed nationwide in recent years, supplemented by recordings from top teachers in Beijing and other regions as needed. The provided courses cover 12 subjects at the junior and senior high school levels and will be made available in the coming weeks. The platform plans to launch 169 classes in the first week.
In support of the Cloud Platform for National Primary and Secondary Schools, Alibaba Cloud provided a wide range of its products and services, including Elastic Compute Service (ECS), Cloud Storage, Content Delivery Network (CDN), and Short Message Service (SMS). These products and services ensured that the platform enjoyed the massive resource storage and processing capabilities it needs and that course notifications and user verification information were sent out correctly. Alibaba Cloud CDN, specifically, ensured smooth access to the platform's mass library of video courses.
To this day, CDN has deployed more than 2,800 edge nodes worldwide with a bandwidth reserve of 130 Tbit/s. It effectively solves access problems due to insufficient network bandwidth, high user access traffic, volatile transmission links, and unevenly distributed network nodes. After successfully handling the annual Double 11 Shopping Festival and 2018 World Cup in Russia, Alibaba Cloud has developed a set of mature solutions and comprehensive contingency plans for high-concurrency video services, as well as sufficient technical resources.
CDN has already implemented system optimizations and O&M assurance measures to respond to the epidemic-driven surge in traffic that faces online education services. After being charged to support the Cloud Platform for National Primary and Secondary Schools, Alibaba Cloud set up a support team to coordinate capacity expansion, services, and contingency plans. The team deployed all the necessary resources within seven days, ensuring sufficient network bandwidth for the platform and stable video transmission links.
To date, CDN has served more than 300,000 customers worldwide, accelerating more than 1 million domain names every day, and undertaking billions of updates. It is widely used in the entertainment, e-commerce, sports, finance, government and enterprise, and education fields, where it has accumulated a wide range of successful business practices. During the 2018 World Cup in Russia, CDN hosted 70% of network-wide traffic and provided the support that allowed 24 million people to watch a single game online. During the 2019 Double 11 Shopping Festival, CDN provided an excellent 4K viewing experience, with a lag rate of less than 3%, for 51.44 million viewers. It also supported an interactive e-commerce experience during the peak traffic period, which reached 100 million QPS. Recently, CDN has also expanded its support for DingTalk video conferencing and other online services, providing strong assurance for tens of millions of people who try to work and learn online. In addition, the CDN system received a Grade III certification in the Classified Protection 2.0 system. This indicates that it is suitable for businesses that require high security, such as the government, finance, and enterprise office systems. It also provides customers with one-stop solutions for edge cybersecurity and acceleration and helps professional technicians create secure network distribution capabilities.
For different types of online education businesses, CDN provides scenario-specific acceleration solutions. For websites and apps, CDN provides high-quality node resources worldwide for intelligent scheduling and nearby access, which effectively improves site responsiveness. For large online classes, it provides multi-center BGP stream ingest that is suitable for high-concurrency scenarios, while integrating auto scaling and system contingency plans to effectively reduce lag and latency. CDN also provides solutions such as resource prefetching and deployment protocol optimization, which improve hit rates, guarantee millisecond-level responsiveness, and ensure a smooth viewing experience.
Since the outbreak of the epidemic, Alibaba Cloud has provided support to dozens of education departments, educational and training institutions, and Software-as-a-Service (SaaS) partners. With our wealthy cloud resources and professional video technology, we are helping to ensure reliable and smooth online learning for students across the country. To empower small- and medium-sized enterprises in the education industry, Alibaba Cloud ApsaraVideo launched the Online Education Support Program. In this program, ApsaraVideo (LiveVideo, VoD, RTS, RTC, and Short Video) provides free product suites and millions of Chinese yuan in subsidy funds to help enterprises build applications faster and more economically. With this program, we are practicing working together to get through this difficult time.
While continuing to wage war against the worldwide outbreak, Alibaba Cloud will play its part and will do all it can to help others in their battles with the coronavirus. Learn how we can support your business continuity at https://www.alibabacloud.com/campaign/fight-coronavirus-covid-19
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