Searched for: department%3A%22Network%255C%2BArchitectures%255C%2Band%255C%2BServices%22
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Madureira, A. (author), Den Hartog, F. (author), Silva, E. (author), Baken, N. (author)Interoperability refers to the ability of two or more systems or components to exchange information and to use the information that has been exchanged. The importance of interoperability has grown together with the adoption of Digital Information Networks (DINs). DINs refer to information networks supported by telecommunication infrastructures...conference paper 2010
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Madureira, A. (author), Bakena, N. (author), Bouwman, H. (author)The worldwide extraordinary level of interest in digital information networks deployment among nations is due to the strong perception that they bring economic, social and environmental value. Our literature review on studies aiming at clarifying the value of information networks, led us to conclude that these studies take speculative, elusive...conference paper 2010
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Balch, C. (author), Kooij, R. (author), Leendertse, M. (author)Education is a key ingredient of any knowledge-based society, and ICT will be a key enabling factor to cope with the new strains on our education system. Recently TNO, the Dutch Organisation for Applied Scientific Research, experimented with different existing ICT technologies in a real-life primary classroom. Our ICT for education project had...conference paper 2009
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Brummelink, M.L. (author), Frantzeskaki, N. (author), Klaassen, R.G. (author), Blom, E.M. (author), Kooij, R.E. (author), Kroesen, J.O. (author), Stadler, D.I. (author), Van den Boogaard, M.E.D. (author)Delft University of Technology (DUT) is becoming more and more an international community. Since lectures on master level are all conducted in English, the numbers of students from foreign countries attending DUT are rising and international cooperation within educational projects is a necessity. To prepare educators for the continuing...conference paper 2009
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Madureira, A. (author), Van Boven, E. (author), Baken, N. (author)Digital Information Networks (DINs) connect all economic and societal sectors, bringing within reach all kinds of novel trans-sector digital innovations: innovations involving multiple sectors enabled by DINs. This paper describes a framework to conceptualise novel trans-sector digital innovations. Our motivation for this work is to systematise...conference paper 2009
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Kleiberg, T. (author), Van Mieghem, P. (author)The Internet consists of a constantly evolving complex hierarchical architecture where routers are grouped into autonomous systems (ASes) that interconnect to provide global connectivity. Routing is generally performed in a decentralized fashion, where each router determines the route to the destination based on the information gathered from...conference paper 2009
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Beshir, A.A. (author), Kuipers, F.A. (author)A survivable connection usually requires computing link-disjoint primary and backup paths. Finding a min-sum pair of link-disjoint paths whose total cost is minimized can be solved in polynomial time. However, adding extra requirements may render the problem NP-complete. In this paper, we study different variants of the min-sum link-disjoint...conference paper 2009
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Madureira, A. (author), Baken, N. (author), Bouwman, H. (author)Digital Information Networks (DINs) refer to information networks supported by telecommunication infrastructures and terminated by microprocessors. In the recent past, there is a consolidated recognition that the public digital network infrastructure is of high economic importance, being generally recognized as one of the pillars of the...conference paper 2009
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Bazil, Z. (author)Digital Information Networks (DINs) refer to information networks supported by telecommunication infrastructures and terminated by microprocessors. DINs provide a substrate for digital data flows. DINs enable the networking of individuals in the digital economy: an economy that uses digital products and services in any of the production,...master thesis 2009
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Kuipers, F.A. (author), Beshir, A.A. (author), Orda, A. (author), Van Mieghem, P.F.A. (author)Physical impairments, such as noise and signal distortions, negatively affect the quality of information transport in optical networks. The effect of physical impairments augments with distance and bit rate of the signal to the point that it becomes detrimental to the information transfer. To reverse the effect of physical impairments, the...report 2009
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Nicolai, F.P. (author)Current home networks are not well designed to support quality of service (QoS). Successfully employing current QoS solutions in heterogeneous environments, such as home networks, requires compatibility between the many possible solutions for the different network technologies. Often the solutions need support from all devices throughout the...master thesis 2009
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Kooij, R.E. (author), Schumm, P. (author), Scoglio, C. (author), Youssef, M. (author)The robustness of a network is depending on the type of attack we are considering. In this paper we focus on the spread of viruses on networks. It is common practice to use the epidemic threshold as a measure for robustness. Because the epidemic threshold is inversely proportional to the largest eigenvalue of the adjacency matrix, it seems easy...conference paper 2009
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Omic, J.S. (author), Kooij, R.E. (author), Van Mieghem, P. (author)We examine the influence of heterogeneous curing rates for a SIS model, used for malware spreading on the Internet, information dissemination in unreliable networks, and propagation of failures in networks. The topology structures considered are the regular graph which represents the homogenous network structures and the complete bi-partite...conference paper 2009
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Tang, S. (author), Lu, Y. (author), Martín Hernández, J. (author), Kuipers, F.A. (author), Van Mieghem, P. (author)In recent years, a number of commercial peer-to-peer TV (P2PTV) applications have been launched. Yet, their mechanisms and characteristics are unknown. In this paper, we study SopCast, a typical proprietary P2PTV system. Treating SopCast as a black box, we perform a set of experiments that are suitable to analyze SopCast in depth. We attempt to...conference paper 2009
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Godana, B.E. (author), Kooij, R.E. (author), Ahmed, O.K. (author)Nowadays various digital television services are available. However, the user of these services experiences longer delays than the traditional analog TV while switching from channel to channel. The digital TV operator usually displays a black screen with the channel number during zapping. However, it could be interesting for the TV viewer, if...conference paper 2009
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Omic, J. (author), Orda, A. (author), Van Mieghem, P. (author)Security breaches and attacks are critical problems in today’s networking. A key-point is that the security of each host depends not only on the protection strategies it chooses to adopt but also on those chosen by other hosts in the network. The spread of Internet worms and viruses is only one example. This class of problems has two aspects....conference paper 2009
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Beshir, A.A. (author), Kuipers, F.A. (author), Van Mieghem, P.F.A. (author), Orda, A. (author)In WDM networks, survivable routing and wavelength assignment (SRWA) involves assigning link-disjoint primary and backup lightpaths. In the on-line SRWA problem, a sequence of requests arrive and each request is either accepted or rejected based only on the input sequence seen so far. For special networks, we establish on-line algorithms with...report 2009
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- Van Mieghem, P. (author), Omic, J. (author), Kooij, R. (author) journal article 2009
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- Van Mieghem, P. (author), Wang, H. (author) journal article 2009
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Kooij, R.E. (author), Nicolai, F. (author), Ahmed, O.K. (author), Brunnström, K. (author)In an earlier paper we showed, that perceived quality of channel zapping is related to the perceived quality of download time of web browsing, as suggested by ITU-T Rec.G.1030. We showed this by performing subjective tests resulting in an excellent fit with a 0.99 correlation. This was what we call a lean forward experiment and gave the rule of...conference paper 2009
Searched for: department%3A%22Network%255C%2BArchitectures%255C%2Band%255C%2BServices%22
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