YouTube 规模的 OTT.pdf

1、NAB 2025OTT at YouTube ScaleLive Workflow-Sean McCarthyLive Scale,Quality and Latency-Kirk HallerSynthetic Experience Metrics-Chas MastinStable Volume and Industry Consensus-Steven Robertson Live Workflow-Sean McCarthyOTT PurposeProvide a personalized destination for transformative media experiences

2、,connecting users with their passions on a global scale.Team MissionDeliver the highest quality and most reliable premium live video streams to enable YouTube products.OTT Specific Infrastructure-Switch-SLURP-TekProbePRODUCTIONTRANSPORTStudio GearAgentBandaid Edge CacheGoogle PeeringISPXPLAYBACKVIDE

3、O DISTRIBUTIONAS65641AS15169ISP3ISP2ISP1SRT TxSRT RxDirect FiberB2/B4CORE STREAMINGEDGE STREAMINGTRANSCODINGYT ClientUSER ISPINGESTIONB2/B4ArgosChunkPeering/ECEncode VideoTranscode VideoDeliver VideoPlay VideoStadiumVENUEYouTube/GooglePARTNER2016201720182015An OTT TimelineFirst OTA antenna on HQ roo

4、f“When YouTube TV started out,a group of engineers climbed onto the roof of YouTube headquarters while holding an antenna in order to build a prototype”-blogCovered 3 DMAs and head-ends in CBF and AUSFirst NOC established24x7 signal ingestionYouTube TV launches5 DMAs-blogMarquee monitoring starts.EO

5、G expands to adjust schedules for EPG/DVR accuracyPSold DAI launchesYouTube TV expands to 100 DMAs-DAI launches on YTTV-750 Linear Channels offered2020-202120222023+2019PTC launches-blogYTV crosses 5 million subsFirst SRT partner launches(BeIN Sports)Paulisto launches-blogGrowing the ServiceService

6、Continues to GrowNFL Sunday Ticket launches-blogMultiview launchesYouTube TV goes Nationwide-blog and 1 million subs!MLB GOTW launches7Legacy InfrastructureInfrastructure Sites:3 NHEs&8 RHEs12 IHEs(international)101 OTA Sites30+Direct Fiber Installations270+Network Switches215+IRDs3 Satellite Sites2