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Accurate, real time identification of P2P traffic is especially important for network management, because they seriously affect QoS of normal network services. In this paper, we propose an omnibus approach to identify Bit Torrent (BT) traffic in real time. We apply application signatures to identify unencrypted traffic. And for those encrypted BT traffic, we propose a message stream model according...
Currently, P2P application accounts for a majority of the network traffic. It is significant to study P2P recognition for network monitoring and management, as well as the improvement of service quality. There are many ways to identify P2P traffic, but it is difficult to identify effectively with only one method. To obtain the optimal classification, different methods should be used comprehensively...
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...
As P2P applications and the amount of users continue to increase rapidly, the problems which the Internet faces, such as network congestion and the difficulty in ensuring Qos etc, become more and more serious. This paper design a model of distributed multi-granularity P2P traffic identifying and controlling in the light of large-scale and high-speed network environment, under the premise that it basically...
VoIP (Voice over Internet Protocol) is a technology that enables the routing of voice conversations over any IP-based network such as the public Internet. Separate and distinct client, gateway and call control functions that ability to support Peer-to-Peer, PC-to-telephone, telephone-to-PC and telephone-to-telephone scenarios. During transmission, the traffic loading and other factors in the IP (Internet...
The increasing number of applications offering their services over peer-to-peer (P2P) platforms is changing the properties of the traffic within computer networks. Their massive use raises a few imperative challenges for network administrators and Internet service providers, regarding the quality of service and security of their networks. It such scenario, it is important to develop mechanisms to...
The Gnutella protocol requires peers to broadcast messages to their neighbors when they search files. The message passing generates a lot of traffic in the network, which degrades the quality of service. We propose the new method to optimize the speed of search and to improve the quality of service in a Gnutella based peer-to-peer environment with using semantic routing and priority of nodes. Once...
Traffic classification and identification is a fertile research area. Beyond Quality of Service, service differentiation, and billing, one of the most important applications of traffic classification is in the field of network security. This paper proposes a packet-level traffic classification approach based on Hidden Markov Model (HMM). Classification is performed by using real network traffic and...
Peer-to-peer (P2P) networks have introduced a distributed communication paradigm, which is useful for many communication services and still accounts for a considerable fraction of the Internet traffic. We discuss the efficiency of P2P content distribution as compared to alternative content delivery overlays.
Today's wide deployment of broadband access networks, high development of personal multimedia processing technologies, and high interests in UCC (user created content)s are pushing the P2P (peer to peer) IPTV era to be opened in near future. The P2P IPTV will create a new paradigm for the Internet services. This paper proposes an integrated session control model for the P2P IPTV services and presents...
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