17,357 research outputs found

    Spontaneous ad hoc mobile cloud computing network

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    Cloud computing helps users and companies to share computing resources instead of having local servers or personal devices to handle the applications. Smart devices are becoming one of the main information processing devices. Their computing features are reaching levels that let them create a mobile cloud computing network. But sometimes they are not able to create it and collaborate actively in the cloud because it is difficult for them to build easily a spontaneous network and configure its parameters. For this reason, in this paper, we are going to present the design and deployment of a spontaneous ad hoc mobile cloud computing network. In order to perform it, we have developed a trusted algorithm that is able to manage the activity of the nodes when they join and leave the network. The paper shows the network procedures and classes that have been designed. Our simulation results using Castalia show that our proposal presents a good efficiency and network performance even by using high number of nodes.Lacuesta, R.; Lloret, J.; Sendra, S.; Peñalver Herrero, ML. (2014). Spontaneous ad hoc mobile cloud computing network. Scientific World Journal. 2014:1-19. doi:10.1155/2014/232419S1192014Rodrigues, J. J. P. C., Zhou, L., Mendes, L. D. P., Lin, K., & Lloret, J. (2012). Distributed media-aware flow scheduling in cloud computing environment. Computer Communications, 35(15), 1819-1827. doi:10.1016/j.comcom.2012.03.004Feeney, L. M., Ahlgren, B., & Westerlund, A. (2001). Spontaneous networking: an application oriented approach to ad hoc networking. IEEE Communications Magazine, 39(6), 176-181. doi:10.1109/35.925687Fernando, N., Loke, S. W., & Rahayu, W. (2013). Mobile cloud computing: A survey. Future Generation Computer Systems, 29(1), 84-106. doi:10.1016/j.future.2012.05.023Lacuesta, R., Lloret, J., Garcia, M., & Peñalver, L. (2013). A Secure Protocol for Spontaneous Wireless Ad Hoc Networks Creation. IEEE Transactions on Parallel and Distributed Systems, 24(4), 629-641. doi:10.1109/tpds.2012.168Lacuesta, R., Lloret, J., Garcia, M., & Peñalver, L. (2011). Two secure and energy-saving spontaneous ad-hoc protocol for wireless mesh client networks. Journal of Network and Computer Applications, 34(2), 492-505. doi:10.1016/j.jnca.2010.03.024Lacuesta, R., Lloret, J., Garcia, M., & Peñalver, L. (2010). A Spontaneous Ad Hoc Network to Share WWW Access. EURASIP Journal on Wireless Communications and Networking, 2010(1). doi:10.1155/2010/232083Lacuesta, R., Palacios-Navarro, G., Cetina, C., Peñalver, L., & Lloret, J. (2012). Internet of things: where to be is to trust. EURASIP Journal on Wireless Communications and Networking, 2012(1). doi:10.1186/1687-1499-2012-203Capkun, S., Buttyan, L., & Hubaux, J. (2003). Self-organized public-key management for mobile ad hoc networks. IEEE Transactions on Mobile Computing, 2(1), 52-64. doi:10.1109/tmc.2003.1195151Goodman, J., & Chandrakasan, A. (2000). An Energy Efficient Reconfigurable Public-Key Cryptography Processor Architecture. Lecture Notes in Computer Science, 175-190. doi:10.1007/3-540-44499-8_13Mayrhofer, R., Ortner, F., Ferscha, A., & Hechinger, M. (2003). Securing Passive Objects in Mobile Ad-Hoc Peer-to-Peer Networks. Electronic Notes in Theoretical Computer Science, 85(3), 105-121. doi:10.1016/s1571-0661(04)80687-xMendes, L. D. P., Rodrigues, J. J. P. C., Lloret, J., & Sendra, S. (2014). Cross-Layer Dynamic Admission Control for Cloud-Based Multimedia Sensor Networks. IEEE Systems Journal, 8(1), 235-246. doi:10.1109/jsyst.2013.2260653Dutta, R., & B, A. (2014). Protection of data in unsecured public cloud environment with open, vulnerable networks using threshold-based secret sharing. Network Protocols and Algorithms, 6(1), 58. doi:10.5296/npa.v6i1.486

    A spontaneous ad hoc network to share www access

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    In this paper, we propose a secure spontaneous ad-hoc network, based on direct peer-to-peer interaction, to grant a quick, easy, and secure access to the users to surf the Web. The paper shows the description of our proposal, the procedure of the nodes involved in the system, the security algorithms implemented, and the designed messages. We have taken into account the security and its performance. Although some people have defined and described the main features of spontaneous ad-hoc networks, nobody has published any design and simulation until today. Spontaneous networking will enable a more natural form of wireless computing when people physically meet in the real world. We also validate the success of our proposal through several simulations and comparisons with a regular architecture, taking into account the optimization of the resources of the devices. Finally, we compare our proposal with other caching techniques published in the related literature. The proposal has been developed with the main objective of improving the communication and integration between different study centers of low-resource communities. That is, it lets communicate spontaneous networks, which are working collaboratively and which have been created on different physical places.Authors want to give thanks to the anonymous reviewers for their valuable suggestions, useful comments, and proofreading of this paper. This work was partially supported by the Ministerio de Educacion y Ciencia, Spain, under Grant no. TIN2008-06441-C02-01, and by the "Ayudas complementarias para proyectos de I+D para grupos de calidad de la Generalitat Valenciana" (ACOMP/2010/005).Lacuesta Gilaberte, R.; Lloret, J.; García Pineda, M.; Peñalver Herrero, ML. (2010). A spontaneous ad hoc network to share www access. 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    A Spontaneous Wireless Ad Hoc Trusted Neighbor Network Creation Protocol

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    [EN] Spontaneous networks lack an a priori communication infrastructure, the neighbors are unknown right after the deployment, and they are used during a period of time and in a certain location. In this paper, we present a new randomized creation model of a spontaneous wireless ad hoc network based on trusted neighbors. The idea is to manage the neighbor discovery with the exchange of identity cards, and the checking of a signature establishes a relationship based on trust of the neighbors. To asses the performance of our randomized trusted network proposal and compare it against an existing deterministic protocol used as reference, we relied on Castalia 3.2 simulator, regarding 4 metrics: time, energy consumption, throughput, and number of discoveries vs packet sent ratio. We found that our proposal outperforms the reference protocol in terms of time, energy, and discoveries vs packet sent ratio in a one-hop setting, while it outperforms the reference protocol regarding all 4 metrics in multihop environments. We also evaluated our proposal through simulations varying the transmission probability and proved that it does not require to know the number of nodes if a fixed transmission probability is set, providing reasonable results. Moreover, our proposal is based on collision detection, it knows when to terminate the process, it does not require a transmission schedule, and it follows more realistic assumptions. In addition, a qualitative comparison is carried out, comparing our proposal against existing protocols from the literature.This work has been partially supported by the "Ministerio de Economia y Competitividad" in the "Programa Estatal de Fomento de la Investigacion Cientifica y Tecnica de Excelencia, Subprograma Estatal de Generacion de Conocimiento" within the project under Grant TIN2017-84802-C2-1-P. This work has also been partially supported by European Union through the ERANETMED (Euromediterranean Cooperation through ERANET joint activities and beyond) project ERANETMED3-227 SMARTWATIR.Sorribes, JV.; Peñalver Herrero, ML.; Lloret, J. (2021). A Spontaneous Wireless Ad Hoc Trusted Neighbor Network Creation Protocol. Wireless Communications and Mobile Computing (Online). 2021:1-20. https://doi.org/10.1155/2021/5531923120202

    A Taxonomy of Self-configuring Service Discovery Systems

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    We analyze the fundamental concepts and issues in service discovery. This analysis places service discovery in the context of distributed systems by describing service discovery as a third generation naming system. We also describe the essential architectures and the functionalities in service discovery. We then proceed to show how service discovery fits into a system, by characterizing operational aspects. Subsequently, we describe how existing state of the art performs service discovery, in relation to the operational aspects and functionalities, and identify areas for improvement

    A Secure Spontaneous Mobile Ad Hoc Cloud Computing Network

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    [EN] Spontaneous ad hoc cloud computing networks let us perform complex tasks in a distributed manner by sharing computing resources. This kind of infrastructure is based on mobile devices with limited processing and storage capacity. Nodes with more processing capacity and energy in a spontaneous network store data or perform computing tasks in order to increase the whole computing and storage capacity. However, these networks can also present some problems of security and data vulnerability. In this paper, we present a secure spontaneous mobile ad hoc cloud computing network to make estimations using several information sources. The application is able to create users and manage encryption methods to protect the data sent through the network. The proposal has been simulated in several scenarios. The results show that the network performance depends mainly on the network size and nodes mobility.Sendra, S.; Lacuesta Gilaberte, R.; Lloret, J.; Macias Lopez, EM. (2017). A Secure Spontaneous Mobile Ad Hoc Cloud Computing Network. Journal of Internet Technology. 18(7):1485-1498. https://doi.org/10.6138/JIT.2017.18.7.20141221S1485149818

    A survey on Security Based Spontaneous Wireless Ad Hoc Networks for Communication Based Elliptical curve Cryptography

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    This paper presents a review on a secure protocol for spontaneous Wireless ad hoc network. In this paper we have focused on spontaneous network and wireless ad hoc network. Secure spontaneous wireless ad hoc network works on hybrid symmetric/asymmetric key management scheme in order to exchange the data. Symmetric key scheme is used to encrypt the data terminals which want to exchange data. The spontaneous network works without any infrastructure it do not require any central server or authority. In this secure spontaneous wireless ad hoc network trust is form by visual contact or by authentication procedure using session key. Then we can exchange services and resources. Existing protocol is for limited resources we are working on to add some new features to add no of resources
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