Achievable Catalog Size in Peer-to-Peer Video-on-Demand Systems
Abstract
We analyz easy stem where nset-topbox es with same upload and storage capacities collaborate to server video ssimul- taneously (a typical value is r = n). We give upper and lower boundsonth ecatalog size of thes ystem,i.e. the maximal number of distinct videos that can be stored in such a systems that any demandofatmostr videos can be served. Besidesr/n,thecatalog size is constrained by the storage capacity, the upload capacity, and the maximum number of simultaneous connections a box can open. We show that the achievable catalog size drastically in- creases when the upload capacity of the boxes becomes strictly greater than the play back rate of videos.
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