Media error: Format(s) not supported or source(s) not found
Download File: https://dortmund.media.ccc.de//events/gpn/gpn15/h264-hq/gpn15-6628-de-OpenStack_sd.mp4Download File: https://ftp.agdsn.de/ccc//events/gpn/gpn15/webm/gpn15-6628-de-OpenStack_webm.webm00:00
00:00 | 00:00