• Publications
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Characteristics of YouTube network traffic at a campus network - Measurements, models, and implications
TLDR
We analyze how content distribution in YouTube is realized and then conduct a measurement study of YouTube traffic in a large university campus network. Expand
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Automated negotiation with decommitment for dynamic resource allocation in cloud computing
TLDR
We consider the problem of allocating networked resources in dynamic environment, such as cloud computing platforms, where providers strategically price resources to maximize their utility. Expand
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The Design and Operation of CloudLab
TLDR
We cover one such facility, CloudLab, which supports systems research by providing raw access to programmable hardware, enabling research at large scales, and creating a shared platform for repeatable research. Expand
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Watch global, cache local: YouTube network traffic at a campus network: measurements and implications
TLDR
We analyze how the content distribution in YouTube is realized and then conduct a measurement study of YouTube traffic in a large university campus network. Expand
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Subjective impression of variations in layer encoded videos
TLDR
We built a test environment for the subjective assessment of layer encoded video with time-varying quality characteristics and conducted an empirical experiment in which 66 test candidates took part. Expand
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Layer-encoded video in scalable adaptive streaming
TLDR
We develop heuristics for the scheduling of retransmissions of missing segments of a cached video in a manner that allows clients to receive the content in an improved quality. Expand
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An End-User-Responsive Sensor Network Architecture for Hazardous Weather Detection, Prediction and Response
TLDR
We present an architecture for a class of systems that perform distributed, collaborative, adaptive sensing (DCAS) of the atmosphere, focusing on the driving role of end-user considerations in system design and operation. Expand
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Cache-Centric Video Recommendation
TLDR
In this article, we take advantage of the user behavior of requesting videos from the top of the related list provided by YouTube to improve the performance of YouTube caches. Expand
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DASHing YouTube: An analysis of using DASH in YouTube video service
TLDR
Dynamic Adaptive Streaming over HTTP (DASH) is a new streaming standard which adaptively streams video based on the link bandwidth between server and client. Expand
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Watching user generated videos with prefetching
TLDR
In this paper, we present a prefetching approach for user-generated video sharing sites like YouTube that can improve the playback quality at the client. Expand
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