Opens source column: simulating adaptive video streaming using Sabre

Sabre is an open source framework for simulating adaptive bitrate (ABR) video-player algorithms. ABR is used when delivering online video to different devices with different connectivity characteristics. The delivery bitrate is adapted dynamically to match the network connection, with the design of the ABR algorithms being a very active research area. Sabre is a useful tool for researchers to simulate performance of their ABR algorithms and to fairly compare performance of different algorithms.