Browsing by Subject "Xarxes definides per programari (Tecnologia de xarxes d'ordinadors)"
Now showing items 1-20 of 77
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A Data Distribution Service in a hierarchical SDN architecture: implementation and evaluation
(2019)
Conference report
Open AccessSoftware-defined networks (SDNs) have caused a paradigm shift in communication networks as they enable network programmability using either centralized or distributed controllers. With the development of the industry and ... -
A distributed algorithm for topology discovery in software-defined networks
(Springer, 2016)
Conference report
Restricted access - publisher's policyTo ensure a proficient topology discovery service in Software-Defined Networks (SDN), we propose a simple agents-based mechanism to improve the efficiency of the topology discovery process. In this work, an algorithm for ... -
A distributed algorithm for topology discovery in Software-Defined Networks
(Springer, 2016-06-07)
Part of book or chapter of book
Restricted access - publisher's policyTo ensure a proficient topology discovery service in Software-Defined Networks (SDN), we propose a simple agents-based mechanism to improve the efficiency of the topology discovery process. In this work, an algorithm for ... -
A distributed energy-aware routing algorithm in Software-Defined Networks
(Springer, 2016-06-07)
Part of book or chapter of book
Restricted access - publisher's policyIn this paper we address the issue of designing a novel distributed routing algorithm that optimizes the power consumption in large scale software-defined networks (SDN) with multiple domains. The solution proposed, called ... -
A distributed energy-aware routing algorithm in software-defined networks
(2016)
Conference report
Restricted access - publisher's policyIn this paper we address the issue of designing a novel distributed routing algorithm that optimizes the power consumption in large scale software-defined networks (SDN) with multiple domains. The solution proposed, called ... -
A framework for placement and optimization of network functions in 5G
(Unión Científica Internacional de Radio (URSI), 2018)
Conference report
Restricted access - publisher's policyIn this paper, we propose an architecture for the 5G core network using Software Defined Networks (SDN) and Network Functions Virtualization (NFV) technologies. Moreover, based on this architecture, we design a framework ... -
A fully SDN enabled all-optical architecture for data centre virtualisation with time and space multiplexing
(Institute of Electrical and Electronics Engineers (IEEE), 2018-07-01)
Article
Open AccessVirtual Data Centre (VDC) solutions provide an environment that is able to quickly scale-up and where virtual machines and network resources can be quickly added on-demand through self-service procedures. VDC providers ... -
A hybrid packet/circuit optical transport architecture for DCN
(2019)
Conference report
Open AccessThe aim of this paper is to move away from today's multi-tier, manually operated, and performance limited Data Centre Network (DCN) towards more scalable, flexible, and optimized architecture of tomorrow. We propose a new ... -
A modular simulation tool of an orchestrator for allocating virtual resources in SDN
(2014-04)
Article
Open AccessSoftware-Defined Networking (SDN) and Network Functions Virtualization (NFV) are technologies for enabling innovative network architectures. Nevertheless, a fundamental problem in instantiation of Virtual Networks (VNs), ... -
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 ... -
A new RAN slicing strategy for multi-tenancy support in a WLAN scenario
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Restricted access - publisher's policyRadio Access Network (RAN) slicing is a key technology, based on Software Defined Networks (SDN) and Network Function Virtualization (NFV), which aims at providing a more efficient utilization of the available network ... -
A software defined networking solution for on-demand base station wake-up in softwarized LTE systems
(Universitat Politècnica de Catalunya, 2017-05-24)
Master thesis
Open AccessLTE is a standard offering high speed wireless communication, and it is a major milestone towards flourishing the capabilities of 5th generation (5G) mobile networks to meet the exploding traffic growth in the current and ... -
Achieving energy efficiency: an energy-aware approach in SDN
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Conference report
Restricted access - publisher's policyAchieving energy efficiency has recently become an essential aim of networking research due to the ever increasing power consumption and CO2 emissions generated by large data networks. For this problem, the emerging paradigm ... -
An architecture for the 5G control plane based on SDN and data distribution service
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Open AccessThe tremendous growth of services and costumers’ demands have rendered traditional networks inefficient. Telecommunication operators need a more flexible, scalable, faster and programmable architecture to offer users these ... -
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 ... -
An online power-aware routing in SDN with congestion-avoidance traffic reallocation
(2018)
Conference report
Restricted access - publisher's policySoftware-Defined Networks (SDN) can be seen as a promising alternative to achieve the long-awaited power efficiency in current communications systems. In these programmable networks a power-aware mechanism could be easily ... -
An SDN-based solution for horizontal auto-scaling and load balancing of transparent VNF clusters
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-12-11)
Article
Open AccessThis paper studies the problem of the dynamic scaling and load balancing of transparent virtualized network functions (VNFs). It analyzes different particularities of this problem, such as loop avoidance when performing ... -
Characterisation of radio access network slicing scenarios with 5G QoS provisioning
(Institute of Electrical and Electronics Engineers (IEEE), 2020-03-13)
Article
Open Access5G systems are envisaged to support a wide range of application scenarios with variate requirements. To handle this heterogeneity, 5G architecture includes network slicing capabilities that facilitate the partitioning of ... -
Circuit designs for increasing reliability and reducing energy
(Universitat Politècnica de Catalunya, 2016-02-02)
Doctoral thesis
Open AccessComputing technology has witnessed an inimitable progress in the last decades which is the result of CMOS technology scaling commensurate with Moore's law. Transistor feature sizes have shrunk to half at each generation, ... -
Contributions towards softwarization and energy saving in passive optical networks
(Universitat Politècnica de Catalunya, 2018-09-20)
Doctoral thesis
Open AccessThs thesis is a result of contributions to optimize and improve the network management systme and power consumption in Passive Optical Network (PON). Passive Optical Network elements such as Optical Line Terminal (OLT) and ...
