The Push SDK processes and distributes end-to-end live streams ingested from various sources, with network-adaptive capabilities to improve streaming performance, which is further optimized by ABR. Streaming content is copyright-protected by Digital Rights Management (DRM), which supports Widevine and Fairplay. You can customize your live content with Cloud Program Directing for international students based on audio/text recognition and real-time two-way translation between Chinese, English, French, Spanish, and Russian. Alibaba Cloud CDN and WebRTC-based RTS protocol lower latency to two seconds in global networks. The Player SDK ensures a smooth viewing experience on multiple mainstream platforms and devices. Instant Messaging SDK provides social features for class interactions among teachers and students.

Alibaba Cloud cross-border network solution helps you cope with these issues through our extensive presence and experience in China market. Alibaba Cloud closely cooperates with China Tier 1 operators to help your business flourish in Mainland China with guaranteed network quality and excellent experience. Alibaba Cloud helps you achieve this through our solution of Cloud Enterprise Network (CEN) and Content Delivery Network (CDN), accelerating the delivery of content. You can adopt CEN to gain access to multiple VPCs and regions, as well as to flexibly switch between Border Gateway Protocol (BGP) network and backbone network as needed. Additionally, you can use CDN to deliver content to users from the nodes that are nearest to them, accelerating the response to user requests and increasing the response rate. CDN also resolves the delivery latency problem that is usually caused by distribution, bandwidth, and server performance issues.

Alibaba DingTalk offers you free online conference and VoIP calling services, and ensures your communication and collaboration are quick, easy and effective. With a stable Wi-Fi connection, DingTalk allows you to hold stable and 1080P HD video conferences. While a conference is progressing, you can instantly share your screen to others. DingTalk supports both training mode and discussion mode; you can easily switch between both modes as required. In addition, you can set up a high-quality, one-touch VoIP conference call for up to 50 parties on DingTalk. Under special circumstances, DingTalk can support up to 302 parties for free online conference and VoIP calling services.