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This paper presents DONet, a data-driven overlay network for live media streaming. The core operations in DONet are very simple: every node periodically exchanges data availability information with a set of partners, and retrieves unavailable data from one or more partners, or supplies available data to partners. We emphasize three salient features of this(More)
This paper presents DONet, a Data-driven Overlay Network for live media streaming. The core operations in DONet are very simple: every node periodically exchanges data availability information with a set of partners, and retrieves unavailable data from one or more partners, or supplies available data to partners. We emphasize three salient features of this(More)
The peer-to-peer (P2P) based video streaming has emerged as a promising solution for Internet video distribution. Leveraging the resource available at end users, this approach poses great potential to scale in the Internet. We have now seen the commercial P2P streaming systems that are orders of magnitude larger than the earlier academic systems. We believe(More)
Jasmonate (JA) and ethylene (ET) are two major plant hormones that synergistically regulate plant development and tolerance to necrotrophic fungi. Both JA and ET induce the expression of several pathogenesis-related genes, while blocking either signaling pathway abolishes the induction of these genes by JA and ET alone or in combination. However, the(More)
In recent years, there has been significant interest in adopting the Peer-to-Peer (P2P) technology for Internet live video streaming. There are primarily two reasons behind this development: the elimination of infrastructure support and the self-scaling property of P2P systems. The success of our system Coolstreaming represented one of the earliest(More)
Recently, there are many research interests in the peer-to-peer overlay architectures. Most widely used unstructured peer-to-peer (P2P) networks rely on central directory servers or massive message flooding, clearly not scalable. Distributed hash tables (DHT)-based structured overlay networks are expected to eliminate flooding and central servers, but can(More)
The interactions between phytohormones are crucial for plants to adapt to complex environmental changes. One example is the ethylene-regulated local auxin biosynthesis in roots, which partly contributes to ethylene-directed root development and gravitropism. Using a chemical biology approach, we identified a small molecule, l-kynurenine (Kyn), which(More)
It is an attractive idea to spread media data using a peer-to-peer scheme; however it remains unclear whether this technology can really deliver real-time media to a large number of users in global scale. This paper presents an empirical study on CoolStreaming, a Data-driven Overlay Network for live media streaming. The core operations in CoolStreaming are(More)