As video use continues to skyrocket in businesses around the world, IT departments need to effectively manage the strain video can place on a network. Considerations include:
- Optimization of video delivery across corporate WANs
- Dynamically throttling video quality during playback based on available bandwidth
- Managing spikes in traffic for simultaneously viewed live or on-demand events
- Offloading bandwidth for external-facing video
- Ensuring high availability through the use of enterprise content delivery networks
- Optimization of videos for higher-latency networks
1: Chunked (Stateless) Delivery
First, video CMSs often stream videos using chunked (stateless) delivery. This enables video content to work well with caching proxies that many organizations deploy across their WANs. For frequently accessed videos and simultaneously accessed live events, the ability to use a WAN’s caching framework can substantially reduce overall bandwidth consumption.
2: Adaptive Bitrate Streaming
Video content management systems typically use adaptive bitrate streaming to serve live and on-demand content. With adaptive bitrate streaming, the video CMS detects a viewer’s bandwidth in real time and adjusts the video quality accordingly (see below for an illustration).
To do this, the video CMS uses an encoder (typically installed on the server) to take a single-bitrate video as input, and encode it to multiple bit rates. For viewers, this results in minimal buffering during playback, faster start time, and a good experience for both high- and low-bandwidth connections.
Adaptive bitrate streaming dynamically switches between video streams of different
quality during playback based on available bandwidth.
3: Deployment Options
Most video CMSs offer deployment options that can offload a portion of video content from the corporate network.
- For internal-facing video such as all-hands events, training, and employee-generated video, an on-premises instance of the video CMS would be deployed to corporate servers.
- For external-facing content such as marketing and customer support videos, a cloud-based instance of the video CMS would be hosted by the video CMS vendor.
This hybrid option would reduce the load on the internal network for external content and ensure high global availability through integration with enterprise content delivery networks (ECDNs) such as Kollective.
Related Reading: How To Choose An Enterprise Video Streaming Solution
4: Help in Scaling Existing Web Conferences
Finally, video content management systems can help existing corporate video conferences achieve greater scale while reducing the load on the network. Popular video conferencing solutions such as Zoom, BlueJeans, Skype For Business, and GoToWebinar reach scalability limits between 500 and 1500 participants.
By contrast, live webcasts delivered through a video CMS can viewed by tens of thousands of viewers simultaneously. Because most video conferencing participants are passive viewers, the video conferencing stream could be routed through a video CMS to reach the desired scale while taking advantage of adaptive bitrate streaming and other bandwidth management capabilities of the video CMS.
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