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Evaluating impacts of traffic migration and virtual network functions consolidation on power aware resource allocation algorithms
(Elsevier, 2019-12-01)
Article
Restricted access - publisher's policyPower consumption minimization and speed of solving the resource allocation problem on cloud datacenters adopting network function virtualization architecture are among the hot topics for future Internet networks. Therefore, ... -
Offline and online power aware resource allocation algorithms with migration and delay constraints
(2019-07-20)
Article
Open AccessIn order to handle advanced mobile broadband services and Internet of Things (IoT), future Internet and 5G networks are expected to leverage the use of network virtualization, be much faster, have greater capacities, provide ... -
ETDP: enhanced topology discovery protocol for software-defined networks
(Institute of Electrical and Electronics Engineers (IEEE), 2019-01-01)
Article
Open AccessDiscovering network elements in a dynamic and optimized manner and being able to contend with ever-growing traffic is a key requirement for current networking environments. In software-defined networks (SDNs), the controller ... -
A LoRaWAN testbed design for supporting critical situations: prototype and evaluation
(2019-01-01)
Article
Open AccessThe Internet of Things is one of the hottest topics in communications today, with current revenues of $151B, around 7 billion connected devices, and an unprecedented growth expected for next years. A massive number of ... -
Latency-aware cost optimization of the service infrastructure placement in 5G networks
(2018-07-15)
Article
Open AccessUnder 5G use case scenarios latency is a main challenge that must be addressed, since mission critical environments are mostly delay sensitive. To achieve this goal, the service infrastructure placement optimization is ... -
An NFV-based energy scheduling algorithm for a 5G enabled fleet of programmable unmanned aerial vehicles
(2019-01-01)
Article
Open AccessThe fifth generation of mobile networks (5G) is expected to provide diverse and stringent improvements such as greater connectivity, bandwidth, throughput, availability, improved coverage, and lower latency. Considering ... -
Online power aware coordinated virtual network embedding with 5G delay constraint
(2018-12-15)
Article
Open AccessSolving virtual network embedding problem with delay constraint is a key challenge to realize network virtualization for current and future 5G core networks. It is an NP-Hard problem, composed of two sub-problems, one for ... -
Nano-networks communication architecture: Modeling and functions
(2018-09-01)
Article
Open AccessNano-network is a communication network at the Nano-scale between Nano-devices. Nano-devices face certain challenges in functionalities, because of limitations in their processing capabilities and power management. Hence, ... -
An online algorithm for dynamic NFV placement in cloud-based autonomous response networks
(2018-05-15)
Article
Open AccessAutonomous response networks are becoming a reality thanks to recent advances in cloud computing, Network Function Virtualization (NFV) and Software-Defined Networking (SDN) technologies. These enhanced networks fully ... -
Energy efficiency and network performance: A reality check in SDN-based 5G systems
(2017-12-14)
Article
Open AccessThe increasing power consumption and related environmental implications currently generated by large data networks have become a major concern over the last decade. Given the drastic traffic increase expected in 5G dense ... -
Self-healing topology discovery protocol for software defined networks
(2018-03-19)
Article
Open AccessThis letter presents the design of a self-healing protocol for automatic discovery and maintenance of the network topology in Software Defined Networks (SDN). The proposed protocol integrates two enhanced features (i.e. ... -
A multi-objective routing strategy for QoS and energy awareness in software-defined networks
(2017-08-21)
Article
Open AccessEnergy consumption is a key concern in the deployment and operation of current data networks, for which Software-Defined Networks (SDN) have become a promising alternative. Although several works have been proposed to ...
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