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Internet Service Providers (ISPs) are in a constant race to meet the bandwidth demands of their subscribers. Access link upgrades, however, are expensive and take years to deploy. Many ISPs are looking for alternative solutions to reduce the need for continuous and expensive infrastructure expansion. This paper shows that there are many forms of local connectivity and storage in residential environments,...
Search and localization of video is a challenging problem in Peer-to-Peer (P2P) video streaming systems. Traditional approaches have been mainly based on a central server or flooding techniques. We present a decentralized scheme that exploits semantic for unstructured P2P systems. Our semantic approach classifies videos and peers into semantic groups. The proposed scheme uses semantic neighbors to...
The use of broadcast TV channels is growing considerably so that the number of users (scalability) and the need to manage traffic (bandwidth) are challenges for network design and dimensioning. Broadcast and live channels show strict requirements to operate on a continuous basis in content distribution scenarios in terms of delay, huge demand of bandwidth and characterized by very dynamic variations...
After Kazaa and Skype, Niklas Zennstrom and Janus Friis released Joost: a peer to peer TV client. Joost claims that it can work seamlessly and has better video quality than existing p2p video streaming applications and even approaching number of traditional TV broadcasted channels. In this paper, we present an experimental analysis of the Joost p2p television protocol. After months of packet monitoring,...
The P2P-IPTV is an emerging class of Internet applications that is becoming very popular. The growing popularity of these rather bandwidth demanding multimedia streaming applications has the potential to flood the Internet with a huge amount of traffic. In this paper we present an investigation of the popular P2P-IPTV application PPLive exploiting a measurement strategy that combines both active and...
Peer-to-peer (P2P) video streaming over the Internet plays an important role in reshaping today's Internet traffic. The performance of a P2P system is typically bottlenecked by the limited upload bandwidth of the participating peers, which typically have asymmetric upload/download bandwidth connections to the Internet. Increasing the streaming bitrate in P2P systems beyond what is sustainable with...
The method for identifying P2P media streaming by traffic features is scalable and suitable for any unknown and encrypted traffic. Some characteristics of P2P media streaming distinguished from P2P file-sharing traffic are provided in this paper, and based on it, the conclusion is gained that the information packets are sent in much higher frequency in P2P media streaming traffic than the file-sharing...
The provision of innovating multimedia services is a high priority for service providers. Due to the the high traffic volume characteristics of multimedia content, decentralised services are a desired solution for multimedia scenarios. Based on the ongoing work of the IETF P2PSIP WG this paper defines a simple way to interconnect different domains using on peer-to-peer technology. The objective is...
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