141 research outputs found
Evolutionary gaming approach for decision making of Tier-3 Internet service provider networks migration to SoDIP6 networks
This is the peer reviewed version of the following article: Dawadi, BR, Rawat, DB, Joshi, SR, Manzoni, P. Evolutionary gaming approach for decision making of Tier-3 Internet service provider networks migration to SoDIP6 networks. Int J Commun Syst. 2020; 33:e4399, which has been published in final form at https://doi.org/10.1002/dac.4399. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.[EN] With the increasing number of Internet of Things (IoT) devices, current networking world is suffering in terms of management and operations with lack of IPv4 addresses leading to issues like network address translation (NAT) proliferation, security and quality of services. Software-defined networking (SDN) and Internet Protocol version 6 (IPv6) are the new networking paradigms evolved to address related issues of legacy IPv4 networking. To adapt with global competitive environment and avoid all existing issues in legacy networking system, network service providers have to migrate their networks into IPv6 and SDN-enabled networks. But immediate transformations of existing network are not viable due to several factors like higher cost of migration, lack of technical human resources, lack of standards and protocols during transitions, and many more. In this paper, we present the migration analysis for proper decision making of network transition in terms of customer demand, traffic engineering, and organizational strength with operation expenditure for network migration using evolutionary gaming approach. Joint migration to SDN-enabled IPv6 network from game theoretic perspective is modeled and is validated using numerical results obtained from simulations. Our empirical analysis shows the evolutionary process of network migration while different internal and external factors in the organization affect the overall migration. Evolutionary game in migration planning is supportive in decision making for service providers to develop suitable strategy for their network migration. The proposed approach for migration decision making is mostly applicable to fairly sustained service providers who lack economics, regulation/policy, and resources strengths.ERASMUS+, Grant/Award Number: KA107; UGC-NP, Grant/Award Number: FRG-074/75-Engg-01; NTNU-EnPE-MSESSD; US National Science Foundation, Grant/Award Numbers: CNS 1650831, HRD 1828811; NASTDawadi, BR.; Rawat, DB.; Joshi, SR.; Manzoni, P. (2020). Evolutionary gaming approach for decision making of Tier-3 Internet service provider networks migration to SoDIP6 networks. 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Mobile phones carry the personal microbiome of their owners
Most people on the planet own mobile phones, and these devices are increasingly being utilized to gather data relevant to our personal health, behavior, and environment. During an educational workshop, we investigated the utility of mobile phones to gather data about the personal microbiome â the collection of microorganisms associated with the personal effects of an individual. We characterized microbial communities on smartphone touchscreens to determine whether there was significant overlap with the skin microbiome sampled directly from their owners. We found that about 22% of the bacterial taxa on participantsâ fingers were also present on their own phones, as compared to 17% they shared on average with other peopleâs phones. When considered as a group, bacterial communities on menâs phones were significantly different from those on their fingers, while womenâs were not. Yet when considered on an individual level, men and women both shared significantly more of their bacterial communities with their own phones than with anyone elseâs. In fact, 82% of the OTUs were shared between a personâs index and phone when considering the dominant taxa (OTUs with more than 0.1% of the sequences in an individualâs dataset). Our results suggest that mobile phones hold untapped potential as personal microbiome sensors
A cost-effective SCTP extension for hybrid vehicular networks
Connected vehicles are promoted with the use of different communication technologies for diverse applications and services. There is an ongoing debate in the research and industry communities whether short range communications based on IEEE 802.11p or cellular based on 3GPP LTE should be used for vehicular communications. In this paper, we propose a mechanism to utilise both short range and cellular communications simultaneously in a cost efficient way while providing the required quality of service to the users. A host connected to multiple networks is referred to as a multi-homed node and Stream Control Transmission Protocol (SCTP) is an IETF standard which supports multi-homing. We propose an extension to SCTP that takes into account not only path quality but also the cost of using each network. It is shown that the combination of QoS and cost information increases economic benefits for provider and end-users, while providing increased packet throughput
The 2017 Terahertz Science and Technology Roadmap
Science and technologies based on terahertz frequency electromagnetic radiation (100GHz-30THz) have developed rapidly over the last 30 years. For most of the 20th century, terahertz radiation, then referred to as sub-millimeter wave or far-infrared radiation, was mainly utilized by astronomers and some spectroscopists. Following the development of laser based terahertz time-domain spectroscopy in the 1980s and 1990s the field of THz science and technology expanded rapidly, to the extent that it now touches many areas from fundamental science to âreal worldâ applications. For example THz radiation is being used to optimize materials for new solar cells, and may also be a key technology for the next generation of airport security scanners. While the field was emerging it was possible to keep track of all new developments, however now the field has grown so much that it is increasingly difficult to follow the diverse range of new discoveries and applications that are appearing. At this point in time, when the field of THz science and technology is moving from an emerging to a more established and interdisciplinary field, it is apt to present a roadmap to help identify the breadth and future directions of the field. The aim of this roadmap is to present a snapshot of the present state of THz science and technology in 2016, and provide an opinion on the challenges and opportunities that the future holds. To be able to achieve this aim, we have invited a group of international experts to write 17 sections that cover most of the key areas of THz Science and Technology. We hope that The 2016 Roadmap on THz Science and Technology will prove to be a useful resource by providing a wide ranging introduction to the capabilities of THz radiation for those outside or just entering the field as well as providing perspective and breadth for those who are well established. We also feel that this review should serve as a useful guide for government and funding agencies
Cisco Networking Academy Program : first-year companion guide
xxxii, 991 p. : ill. ; 30 cm
Cisco networking academy program : V.2.: CCNP 2 : routers and routing basics V 3.1 instructor lab manual
Indianapolisxxvii, 606 p.; 25 c
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