OutlineMotivation and objectivesStretched exponential model of Internet media traffic: Dynamics of access patterns in media systemsCaching implications and storage requirements.SummaryOthernewlyreportedSEdistributions in real world12
12 Outline • Motivation and objectives • Stretched exponential model of Internet media traffic • Dynamics of access patterns in media systems • Caching implications and storage requirements • Summary • Other newly reported SE distributions in real world
Workload summary16workloadsindifferentmediasystems- Web,VoD, P2P, and live streamingnearly all workloadsavailable on the InternetBothclientsideandserversideDifferentdeliverytechniquesDownloading,streaming,pseudostreamingall major deliverytechniques- Overlay multicast, P2P exchange, P2P swarmingDatasetcharacteristics-Workload duration:5 days-twoyearsdata sets ofNumberofusers:103-105differentscales-Numberof requests:104-108Numberofobjects:102_10613
13 Workload summary • 16 workloads in different media systems – Web, VoD, P2P, and live streaming – Both client side and server side • Different delivery techniques – Downloading, streaming, pseudo streaming – Overlay multicast, P2P exchange, P2P swarming • Data set characteristics – Workload duration: 5 days - two years – Number of users: 103 - 105 – Number of requests: 104 - 108 – Number of objects: 102 - 106 nearly all workloads available on the Internet all major delivery techniques data sets of different scales