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The fast growing role of peer-to-peer networks in various distributed services and technologies as a well distributed, highly scalable and fault tolerant networking infrastructure together with large number of users inherent to these special networks has introduced P2P systems as a potential domain for data mining processes. Nevertheless, the distr...
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... centralized Peer-to-Peer networks are mainly characterized by their reliance on a central server, and pure P2P systems by their fully decentralized nature, hybrid networks introduce a combination of the earlier technologies by proposing a two-layer hierarchical structure composed of a dynamic layer of Supernodes managing an ordinary layer of Leafnodes. A hybrid P2P network is depicted in Figure 1. ...
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Citations
By improving the P2P networks and creation of the proposed network, we may encounter networks that no longer have node failure and link failure. The recommended solution can perform search and download the content in a distributed manner over IMS. In our proposed P2P network (BLPC), not only the system is distributed at all levels, but also searching for all indexes is possible and therefore network resources are optimally utilized. From the management point of view, broadcast traffic that cause bandwidth loss, are limited to specific zones.
Next generation networks with the intention of converging service and control layer, with the aim of "Equal service presentation in integrated networks", have provided a new approach to telecom operators. IMS provides a suitable opportunity for third party operators that they can participate in providing services for NGN. Some services like file sharing needs to P2P network. The existing P2P networks are done as a centralized and distributed form respectively. In fact, in current structures, resource sharing concerned with search activities is limited to centralized and private servers. This issue causes increasing the cost and reducing the system scalability due to specific servers that stores file indexes. We have proposed a new model named borderless partially centralized (BLPC) P2P network for NGN. The network resources are distributed over network nodes and the P2P network has no centralized server. The advantage of this structure is when part of the network encounters damage, the network has the ability to continue its routine activities and service is not halted. In our plan, even for the search mechanism, there is no centralized server and the network has the ability to provide services without centralized servers.
