Samvyo blogs

WebRTC SDK vs Build: What You Actually Write Yourself

The browser gives you ICE, encryption, jitter buffering and congestion control for nothing. Then you discover that none of those were the expensive part. Here is the itemised list of what you write yourself with raw WebRTC — and why only one item on it is about video.

Video Architecture

WebRTC Architecture: Everything That Runs Between Two Video Tabs

A video call is a chain of eight stages, and only two of them are video. The other six are negotiation and transport — which is why almost nothing that breaks in browser video is actually the video. Here is the whole chain, in order, with what fails at each link and who owns it.

Video Conferencing Infrastructure

SFU Scaling: Clustering, Cascading, and Where the Bottleneck Moves

Scaling an SFU is not one problem. The bottleneck moves three times — from the worker process, to the network interface, to the links between servers — and each move changes what you should be measuring. Here is where each limit bites, with the arithmetic behind it.

video surveillance

Multi-Camera Synchronization: Why Your Four Angles Drift Out of Alignment

Four cameras cover one incident and produce four different accounts of when it happened. Multi camera synchronization fails in two separate places — the clock that stamps the frame and the pipeline that delivers it — and fixing one does nothing for the other. Here's how both break.

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