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Browsing by Subject "Cloud computing"

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4G RAN infrastructure sharing by 5G virtualized mobile network operators: A tutorial

Author: Mamushiane, Lusani ; Mboweni, Lawrence S ; Kobo, Hlabishi ; Mudumbe, Mduduzi J ; Mwangama, J ; Lysko, Albert A Date: Sep 2021 Active radio access network (RAN) infrastructure sharing has emerged as a promising solution for efficient spectrum utilization, capital and operational cost savings, improved MVNO penetration rates and lower broadband retail prices in both ... Read more
An architecture based on SOA and virtual enterprise principles: OpenNebula for cloud deployment

Author: Mvelase, P ; Dlodlo, N ; Makitla, I ; Sibiya, G ; Adigun, M Date: Apr 2012 Today enterprises have to survive in a dynamically changing business environment. Cloud computing presents a new business model where the Information Technology services supporting the business are provided by partners rather than in-house. ... Read more
Beyond GIS with EO4V is Trails: a geospatio-temporal scientific workflow environment

Author: Van Zyl, T Date: Oct 2012 The paper presents the problems associated with current geographic information system (GIS) and the need for their integration with other specialised tooling such as statistics in R or matrix algebra of Octave. The authors take the stance ... Read more
A business model for a South African government public cloud platform

Author: Mvelase, P ; Dlamini, Z ; Macleod, D ; Dlodlo, N ; Sithole, Happy M Date: May 2014 Advances in Information Technology have brought about cloud computing, an evolutionary computing practice that facilitates the provisioning of computing services as a utility. Cloud computing has brought about change in the economics and ... Read more
Chaos-based encryption keys and neural key-store for cloud-hosted data confidentiality

Author: Mosola, NN ; Dlamini, Thandokuhle M ; Blackledge, JM ; Eloff, JHP ; Venter, HS Date: Sep 2017 Cloud computing brings flexible and cost effective services. However, security concerns plague the cloud. Data confidentiality is one of the concerns inhibiting the adoption of cloud computing. This concern stems from various cyberattacks ... Read more
Characterisation of mobile data usage in township communities

Author: Phokeer, A ; Johnson, D ; Densmore, M Date: Sep 2016 The paper describes a measurement study of mobile Internet usage in township communities in South Africa. The idea is to understand usage pattern of mobile data that would motivate the provisioning of a localised cloudlet infrastructure with ... Read more
Cloud computing for enhanced mobile health applications

Author: Nkosi, MT ; Mekuria, Fisseha Date: Nov 2010 Mobile devices are being considered as service platforms for mobile health information delivery, access and communication. However mobiles face challenges with regard to delivering secure multimedia based health services due to limitations ... Read more
Collaborative custodianship through collaborative cloud mapping: Challenges and opportunities

Author: Coetzee, S ; Du Preez, J ; Behr, FJ ; Cooper, Antony K ; Odijk, M ; Vanlishout, S ; Buyle, R ; Jobst, M ; Chauke, M ; Fourie, Nicolene ; Schmitz, P ; Erwee, F Date: Jul 2019 Collaborative custodianship refers to an arrangement where a number of custodians work together to produce integrated datasets for a spatial data infrastructure (SDI), e.g. local authorities contributing address or street data to a national ... Read more
A comparative analysis of pricing models for enterprise cloud platforms

Author: Mvelase, P ; Sibiya, G ; Dlodlo, N ; Oladosu, J ; Adigun, M Date: Sep 2013 Research and commercial efforts are currently addressing challenges and providing solutions in cloud computing. Business models are emerging to address different use case scenarios of cloud computing. In this paper, we present the evaluation ... Read more
Custom-made cloud enterprise architecture for small, medium and micro enterprises

Author: Mvelase, P ; Dlodlo, N ; Williams, Q ; Adigun, M Date: Jul 2011 Small, Medium, and Micro enterprises (SMMEs) usually do not have adequate funds to acquire ICT infrastructure and often use cloud computing. In this paper, the authors discuss the implementation of virtual enterprises (VE) to enable SMMEs to ... Read more
Custom-made cloud enterprise architecture for small, medium and micro enterprises

Author: Mvelase, P ; Dlodlo, N ; Williams, Q ; Adigun, M Date: Jul 2011 Small, Medium, and Micro enterprises (SMMEs) usually do not have adequate funds to acquire ICT infrastructure and often use cloud computing. In this paper, the authors discuss the implementation of virtual enterprises (VE) to enable SMMEs to ... Read more
Depiction of experimental findings for a cloud enterprise architecture

Author: Mvelase, PS ; Dlodlo, N ; Sithole, Happy M ; Adigun, M Date: Dec 2015 Research and commercial efforts are currently addressing challenges and providing solutions in cloud computing. Business models are emerging to address different use scenarios of cloud computing. In this paper, we present a virtual enterprise ... Read more
Digital forensic framework for a cloud environment

Author: Sibiya, G ; Venter, HS ; Fogwill, T Date: May 2012 The advent of cloud computing provides good opportunities for both good and malicious use. Cloud computing is at its infancy stage and its security is still an open research issue. Malicious users take advantage of the current lack of advanced ... Read more
Digital forensic readiness in a cloud environment

Author: Sibiya, G ; Fogwill, T ; Venter, HS ; Ngobeni, Sipho J Date: Sep 2013 Although cloud computing is maturing, security issues are still prevalent. Most of the security issues that are in the cloud have existed since the advent of the Internet. These issues are escalated in a cloud environment due to its distributed ... Read more
Digital forensics in the cloud: The state of the art

Author: Sibiya, G ; Venter, HS ; Fogwill, T Date: May 2015 The advent of cloud computing has brought new challenges to digital forensics. To address these challenges, new approaches in conducting digital forensic are required. In this paper, challenges that are faced by digital forensic investigator ... Read more
DSaaS: A cloud service for persistent data structures

Author: Le Roux, PB ; Kroon, S ; Bester, W Date: Apr 2016 In an attempt to tackle shortcomings of current approaches to collaborating on the development of structured data sets, we present a prototype platform that allows users to share and collaborate on the development of data structures via a web ... Read more
Evaluating two security systems for mobile voting fortification

Author: Moloja, D ; Mpekoa, Noluntu ; Van Greunen, D Date: Sep 2020 The developments in Information and Communication Technology transformed almost every aspect of everyday life. Modern societies are now fully dependent on ICT for commercial, labor, and leisure activities, excluding in the voting area. Using ... Read more
Exploring the impact of cloud computing on existing South African regulatory frameworks

Author: Mohlameane, M ; Ruxwana, Nkqubela Date: Aug 2020 The use of cloud computing services raises policy and regulatory challenges globally, more specifically on data security and privacy, amongst other issues. There is a concern on whether South African information and communications technology ... Read more
Fog computing architecture for 5G-Compliant IoT applications in underserved communities

Author: Khumalo, Nosipho N ; Oyerinde, O ; Mfupe, Luzango P Date: Aug 2019 The fifth generation (5G) of wireless network ecosystem which is expected to be deployed in 2020 promises to provide higher speeds, higher capacity and lower latency than the current mobile networks. 5G is also envisioned to revolutionise the ... Read more
Fog computing architecture for 5G-Compliant IoT applications in underserved communities

Author: Khumalo, Nosipho N ; Oyerinde, O ; Mfupe, Luzango P Date: Aug 2019 The fifth generation (5G) of wireless network ecosystem which is expected to be deployed in 2020 promises to provide higher speeds, higher capacity and lower latency than the current mobile networks. 5G is also envisioned to revolutionise the ... Read more

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