Analysis of threats and security issues evaluation in mobile P2P networks

Technically, mobile P2P network system architecture can consider as a distributed architecture system (like a community), where the nodes or users can share all or some of their own software and hardware resources such as (applications store, processing time, storage, network bandwidth) with the other nodes (users) through Internet, and these resources can be accessible directly by the nodes in that system without the need of a central coordination node. The main structure of our proposed network architecture is that all the nodes are symmetric in their functions. In this work, the security issues of mobile P2P network system architecture such as (web threats, attacks and encryption) will be discussed deeply and then we propose different approaches and we analysis and evaluation of these mobile P2P network security issues and submit some proposal solutions to resolve the related problems with threats and other different attacks since these threats and attacks will be serious issue as networks are growing up especially with mobility attribute in current P2P networks

Business and technical aspects of mobile peer-to-peer social networks

Introduction of mobile high-capacity networks, as well as the widespread penetration of powerful mobile handsets provide a good basis for the development of peer-to-peer applications in the mobile environment. However, it is not certain if the P2P services that were well adopted in the fixed In-ternet can also be successfully launched in the mobile environment.   This article dissertation presents research results of mobile community service provisioning using P2P technology. The study was carried out on two levels: technical and business. On the business level the dissertation discusses the mobile P2P service provisioning ecosystem including analysis of stakeholder needs as well as potential scenarios for mobile P2P services. The dissertation presents the results of a user survey and a literature study. The presented material reveals that there is room for P2P services in the mobile environment, however user requirements are different than in the fixed environment. The dissertation also presents a scenario planning methodology that proposes the Schoemaker’s variant of scenario planning as a suitable method for evaluating emerging mobile services. Consistent and coherent learning scenarios that were developed using the proposed methodology are also presented.   On the technical level, the dissertation presents P2P system architectures, protocols, and algorithms that enable the provision of community services in the mobile environment. In particular, the dissertation describes the world first resource sharing system that works on top of SIP networks. The system enables mobile phone users to share resources with each other and does not require any changes to the basic SIP infrastructure. A Social DHT architecture that allows for efficient formation of mobile communities is also presented. The dissertation shows how the P2P infrastructure can become a feasible cost efficient replacement for a mobile infrastructure by presenting a Distributed IP Multimedia Subsystem as well as a pioneering new mobile P2PSIP system for real-time communication services. The dissertation discusses an implementation of a P2P system that allows mobile phone users to search for knowledge in their trusted social communities overcoming the problems identified in the business study of the dissertation. The results of measurements and trials conducted show the technical feasibility of mobile community service provisioning using P2P technology

Transforming Energy Networks via Peer to Peer Energy Trading: Potential of Game Theoretic Approaches

Peer-to-peer (P2P) energy trading has emerged as a next-generation energy management mechanism for the smart grid that enables each prosumer of the network to participate in energy trading with one another and the grid. This poses a significant challenge in terms of modeling the decision-making process of each participant with conflicting interest and motivating prosumers to participate in energy trading and to cooperate, if necessary, for achieving different energy management goals. Therefore, such decision-making process needs to be built on solid mathematical and signal processing tools that can ensure an efficient operation of the smart grid. This paper provides an overview of the use of game theoretic approaches for P2P energy trading as a feasible and effective means of energy management. As such, we discuss various games and auction theoretic approaches by following a systematic classification to provide information on the importance of game theory for smart energy research. Then, the paper focuses on the P2P energy trading describing its key features and giving an introduction to an existing P2P testbed. Further, the paper zooms into the detail of some specific game and auction theoretic models that have recently been used in P2P energy trading and discusses some important finding of these schemes.Comment: 38 pages, single column, double spac

CHORUS Deliverable 2.2: Second report - identification of multi-disciplinary key issues for gap analysis toward EU multimedia search engines roadmap

After addressing the state-of-the-art during the first year of Chorus and establishing the existing landscape in multimedia search engines, we have identified and analyzed gaps within European research effort during our second year. In this period we focused on three directions, notably technological issues, user-centred issues and use-cases and socio- economic and legal aspects. These were assessed by two central studies: firstly, a concerted vision of functional breakdown of generic multimedia search engine, and secondly, a representative use-cases descriptions with the related discussion on requirement for technological challenges. Both studies have been carried out in cooperation and consultation with the community at large through EC concertation meetings (multimedia search engines cluster), several meetings with our Think-Tank, presentations in international conferences, and surveys addressed to EU projects coordinators as well as National initiatives coordinators. Based on the obtained feedback we identified two types of gaps, namely core technological gaps that involve research challenges, and “enablers”, which are not necessarily technical research challenges, but have impact on innovation progress. New socio-economic trends are presented as well as emerging legal challenges

Exploiting P2P in the Creation of Game Worlds

Peer-to-peer networks are a promising platform for supporting entirely decentralized, distributed multi-user gaming; however, multi-player games typically require highly predictable performance from the underlying network. This is at odds with the inherently unreliable nature of peer-to-peer environments. Existing approaches to providing peer-to-peer support for multi-player gaming focus on compensating for the unpredictability of the underlying network. We propose that rather than trying to compensate for these factors, they can be exploited together with information about the peer-to-peer network in order to address the problem of maintaining a novel gaming experience in the absence of a central authority. In order to explore our proposition, we model the measurable properties of P2P networks within a distributed multi-player game – NetWorld. We do this in such a way that the heterogeneous and unpredictable nature of the peer-to-peer environment becomes a positive part of the player’s experience