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Towards high-performance peer-to-pee...

Liang, Chao.

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Towards high-performance peer-to-peer media communications.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Towards high-performance peer-to-peer media communications./
作者:	Liang, Chao.
面頁冊數:	150 p.
附註:	Source: Dissertation Abstracts International, Volume: 72-08, Section: B, page: .
Contained By:	Dissertation Abstracts International72-08B.
標題:	Engineering, Electronics and Electrical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3458012
ISBN:	9781124692364

Towards high-performance peer-to-peer media communications.
Liang, Chao.

Towards high-performance peer-to-peer media communications. - 150 p.

Source: Dissertation Abstracts International, Volume: 72-08, Section: B, page: .

Thesis (Ph.D.)--Polytechnic Institute of New York University, 2011.

With exploiting end users' upload capacities to offload servers and facilitate data distributions, Peer-to-Peer (P2P) technology has recently enabled various large-scale streaming services on top of the best-effort Internet. These P2P networks, commonly forming a dedicated overlay consisting of a large number of independent nodes, are intrinsic large-scale complex distributed systems.

ISBN: 9781124692364Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Towards high-performance peer-to-peer media communications.
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500 $a Source: Dissertation Abstracts International, Volume: 72-08, Section: B, page: .
500 $a Adviser: Yong Liu.
502 $a Thesis (Ph.D.)--Polytechnic Institute of New York University, 2011.
520 $a With exploiting end users' upload capacities to offload servers and facilitate data distributions, Peer-to-Peer (P2P) technology has recently enabled various large-scale streaming services on top of the best-effort Internet. These P2P networks, commonly forming a dedicated overlay consisting of a large number of independent nodes, are intrinsic large-scale complex distributed systems.
520 $a To investigate the characteristics and essential requirements of P2P streaming systems, we first undertook an in-depth measurement study of a popular P2P IPTV system with passive and active measurement methodologies. Second, we prototyped various streaming designs and conducted extensive comparison experiments on PlanetLab test-beds, which provides us with valuable quantitative answers regarding the sensitivity of P2P streaming performance to different design mechanisms.
520 $a Enlightened by the insights drawn from our measurement and experimental studies, we identified several important problems in various P2P streaming systems and proposed corresponding solutions. For live streaming, we proposed a hierarchically clustered streaming framework and developed an adaptive queue-based chunk scheduling method to achieve optimal streaming rate. Moreover, we studied a pure P2P strategy to enable bandwidth constrained end users to host their own broadcast channels. For video on-demand, we proposed a novel mesh-based peer-assisted VoD system. Our system not only adopts a dynamic buffering-progress-based peering strategy to achieve high P2P sharing efficiency, but also applies a differentiated pre-fetching design to balance the system-wide QoE and service differentiations among heterogeneous peers. Finally, for video conferencing, we analytically studied optimal bandwidth sharing in multi-swarm multi-party P2P video conferencing systems. We studied two cross-swarm sharing scenarios systematically under a utility-maximization framework. Through proximal approximation and decomposition, we developed distributed algorithms for joint source rate control and helper bandwidth allocation to drive the system to the optimal operating point.
590 $a School code: 1540.
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790 1 0 $a Wang, Yao $e committee member
790 1 0 $a Ross, Keith $e committee member
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791 $a Ph.D.
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