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The problems associated with multipath routing in Border Gateway Protocol (BGP) for Autonomous Systems (ASes) can be solved with some model or control systems from the Software Defined Networking (SDN). The SdN controller could be used to solve the inconsistencies in the scalability and latency of the Routing Information Base (RIB) of ASes. Also, a set of modules for Inter-AS routing and Brokering...
Accessing the Internet through Wi-Fi networks offers an inexpensive alternative for offloading data from mobile broadband connections. Businesses such as fast food restaurants, coffee shops, hotels, and airports, provide complimentary Internet access to their customers through Wi-Fi networks. Clients can connect to the Wi-Fi hotspot using different wireless devices. However, network administrators...
Intrusion Detection Systems (IDSs) are signature-based software tools that provide mechanisms for detection and analysis of network intrusions. Using an experimental scenario and real traffic collected at a higher education institution in Brazil, we evaluate the performance of Snort and Suricata IDSs for detection of current Distributed Denial-of-Services attack (Slowloris). Our study has found the...
Education needs to provide the means and resources to respond to new forms of education in which Information and Communication Technologies are implicit. Teaching experiences that make innovative and creative use of technology underlie a series of common ideas and pedagogical approaches that seek to harness the full potential of these technologies, framed in a new culture of learning. These are called...
With the advance of mobile technologies, virtual reality (VR) is coming to every corner of our life. The technology presents a major opportunity for retailers as they lure fickle shoppers to visit their virtual stores, particularly since modern consumers have shifted more of their buying habits online. Currently, merchants face the challenge to weed out malicious software from legitimate users to...
This article describes SECav, an educational software developed in the context of a research project, with the aim of supporting the teaching and learning processes of a Numerical Calculus course that is taught for several courses of the Exact and Natural Sciences Faculty of the UNLPam University. SECav focuses on the numerical resolution of nonlinear equations, polynomial interpolation and approximation,...
The increased popularity of IEEE 802.11 LANs (WLANs) in residential (home) environments leads to dense, unplanned and thus chaotic deployments. Access Points (APs) are frequently deployed unfavorably in terms of radio coverage and use interfering frequency/power settings. In fact, in some parts of a one's apartment the usage of the neighbor's AP might be preferred as it might provide better signal...
This article describes the use of the comparison method MM to protect the Internet user from the effects of DNS Injection attacks. A description of the basic concepts of this area of the computer network and the dangers of DNS Injection attacks is presented. The description of the MM method used in the literature is concluded. In the paper the concept of using above-mentioned method to protect Internet...
This paper discusses the challenges related to the insertion of Virtual and Augmented Reality in the teaching and learning processes, considering their multidisciplinary aspect, the adherence to Web 3.0 and a scenario of possible gains and results with such an insertion. There will be pointed out the features that made VR and AR solutions with a potential big impact, despite not properly explored...
The document contains a comparative analysis of the key technologies to ensure collaboration of telecommunication networks that were built with using different versions of IP protocol: dual stack; tunneling and encapsulation; translation of the protocols. Two groups of factors are proposed: factors that will influence the choice of the technical migration way to the IPv6 stack and the factors that...
Over the past two decades, implementing routing lookups in dedicated hardware has been accepted as an undisputable gold standard in core Internet routers due to ever increasing performance requirements and unabated global routing table growth. Several recent proposals depart from that line of thinking and suggest that software algorithms running on commodity multi-core CPUs might (again) become well...
The basic indicators of the life cycle of technology were analyzed and the generalized system for the evaluation of the life cycle phase is allocated. Indicators are considered as properties that technology must have to fit a certain stage of its existence. The existing approaches of technology development analysis were studied. The generalized classification, which is a list of indexes for the proper...
During research analysis of connection problems was made. It has been studied and determined the relationship between theory and graph analysis of social networks. Database was created. Betweenness centrality and centrality was used in prototype.
The Costa Rican Ministry of Science, Technology and Telecommunications (MICITT) promotes The Science and Technology Month. This is a yearly celebration aimed at bringing young students closer to science and technology. In 2016, the activity included events in six rural areas around the country. Laboratorio Experimental is a group for research and outreach in computer science education hosted by Instituto...
This paper describes the implementative aspects, the main challenges and the adopted solutions for an Internet voting system designed by LepidaSpA and dedicated for specific elections a Land Reclamation Authority in Italian Emilia-Romagna region. Besides the description of the voting system, we also present an efficient and simple administration tool for the management of all the election phases,...
The success of the Internet around the world has produced many benefits, but due to IP protocol stack limitations, the IP addresses exhaustion problem soon arose. Although it has been proposed several solutions to alleviate it, the problem still remains, specially in the emerging countries, which have a reduced pool of public IPv4 addresses. Classless Inter-Domain Routing (CIDR) scheme has partially...
The demand for commodities of houseplant in the world are indeed enormous, especially the kind aglonema, bromille, anthorium. The relatively large volume of national production and harvest area — compared with other crops — has placed the aglonema, bromille, anthorium a main houseplant in Indonesia, especially in West Java. But, unfortunately, the marketing system of houseplant needs some improvement...
In order to meet the needs of China higher education of training students with strong foundation ability and innovation in the filed computer science, in recent years, the computer basic teaching team of Beijing Jiaotong University has carried out a series of scientific and effective educational reforms research and practice: 1. Carrying out “MOOC + SPOC + Flipped classroom” practice; 2. Construction...
In view of the problems of the current teaching content being out of touch with social needs and students' poor practical abilities and other issues, this paper analyzes the new international software engineering training model. Based on the iterative optimization method of updating the teaching idea, optimizing the curriculum system, strengthening the schoolenterprise cooperation and improving teachers'...
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