att_abstract={{We propose Joint-Family, a protocol that combines peer-to-peer (P2P) and adaptive bitrate (ABR) streaming for video-on-demand (VoD). While P2P for VoD and ABR have been proposed previously, they have not been studied together because they attempt to tackle problems with seemingly orthogonal goals. We motivate our approach through analysis that overcomes a misconception resulting from prior analytical work, and show that the popularity of a P2P swarm and seed staying time has a significant bearing on the achievable per-receiver download rate. Specifically, our analysis shows that popularity affects swarm efficiency when seeds stay “long enough”. We also show that ABR in a P2P setting helps viewers achieve higher playback rates and/or fewer interruptions. We develop the Joint-Family protocol based on the observations from our analysis. Peers in Joint-Family simultaneously participate in multiple swarms to exchange chunks of different bitrates. We adopt chunk, bitrate, and peer selection policies that minimize occurrence of interruptions while delivering high quality video and improving the efficiency of the system. Using traces from a large-scale commercial VoD service, we compare Joint-Family with existing approaches for P2P VoD and show that viewers in Joint-Family enjoy higher playback rates with minimal interruption, irrespective of video popularity. }},
	att_authors={vg7777, rj2124, sl1858, kr2812},
	att_categories={C_BB.7, C_NSS.10, C_IIS.13},
	att_copyright_notice={{This version of the work is reprinted here with permission of IEEE for your personal use. Not for redistribution. The definitive version was published in 2013. {{, 2013-10-07}}
	att_tags={Peer-to-Peer, video-on-demand,  adaptive bit rate,  streaming},
	author={Vijay Gopalakrishnan and Rittwik Jana and Seungjoon Lee and Kadangode Ramakrishnan and Kyung-Wook Hwang and Vishal Misra and Dan Rubenstein},
	institution={{IEEE International Conference on Network Protocols}},
	title={{Joint-Family: Enabling Adaptive Bitrate Streaming in Peer-to-Peer Video-on-Demand}},