J
João Paulo Barraca
Researcher at University of Aveiro
Publications - 109
Citations - 785
João Paulo Barraca is an academic researcher from University of Aveiro. The author has contributed to research in topics: Cloud computing & Computer science. The author has an hindex of 11, co-authored 96 publications receiving 557 citations.
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Journal ArticleDOI
Toward a telco cloud environment for service functions
Joao Soares,Carlos Gonçalves,Bruno Parreira,Paulo Tavares,Jorge Carapinha,João Paulo Barraca,Rui L. Aguiar,Susana Sargento +7 more
TL;DR: This article identifies how téleos can benefit from the abovementioned paradigms, and explores some of the aspects that still need to be addressed in the NFV domain.
Journal ArticleDOI
Community Building over Neighborhood Wireless Mesh Networks
Panayotis Antoniadis,B. Le Grand,Anna Satsiou,Leandros Tassiulas,Rui L. Aguiar,João Paulo Barraca,Susana Sargento +6 more
TL;DR: It is argued that the design of communities suitable for this environment will encourage users to participate, enable trustworthy network creation, and provide a social layer, which can be exploited in order to design cross-layer incentive mechanisms that will further encourage Users to share their resources and cooperate at lower layers.
Proceedings ArticleDOI
A Comparative Study of LoRaWAN, SigFox, and NB-IoT for Smart Water Grid
TL;DR: Under NS3, the simulation results show that NB-IoT provides the best scalability compared to LoRaWAN and SigFox and thus is able to support a huge number of devices with a low packet error rate.
Journal ArticleDOI
Network Functions Virtualization: The Long Road to Commercial Deployments
TL;DR: This survey provides a detailed background of NFV to establish a comprehensive understanding of the subject, ranging from the basics to more advanced topics, and offers a comprehensive overview of the NFV main concepts, standardization efforts, the benefits, and discussions of theNFV architecture as defined by the European telecommunications standardization institute.
Journal ArticleDOI
Network slicing security: Challenges and directions
Vitor A. Cunha,Eduardo da Silva,Marcio Barbosa de Carvalho,Daniel Corujo,João Paulo Barraca,Diogo Gomes,Lisandro Zambenedetti Granville,Rui L. Aguiar +7 more
TL;DR: This letter presents the leading security challenges on the use of network slices at the packet core, the solutions that academy and industry are proposing to address them, and some directions that should be considered.