In recent years, the number of embedded computing devices connected to Internet has exponentially increased. At same time, new applications are becoming more complex and computationally demanding, which can be a problem for devices, especially when they battery powered. this context, concepts computation offloading edge computing, allow fully or partially offloaded executed on servers close in network, have arisen received increasing attention. Then, design algorithms make decision tasks...

The ever increasing challenges introduced by the diversity of current and envisioned network technologies IT infrastructure draw a highly distributed heterogeneous topology where innovative services must be optimally deployed to guarantee maximum level quality for users. Indeed, paradigms such as cloud continuum, bringing together edge computing, along with new opportunities coming out considering non-terrestrial networks connecting future 6G ecosystems, all no doubt facilitate development...

We propose a network-driven transfer mode for cloud operations in step towards carrier SDN. Inter-datacenter connectivity is requested terms of volume data and completion time. The SDN controller translates forwards requests to an ABNO charge flexgrid network.

Radio access network (RAN) cost savings are expected in future cloud RAN (C-RAN). In contrast to traditional distributed architectures, C-RAN, remote radio heads (RRHs) from different sites can share baseband processing resources virtualized unit pools placed a few central locations (COs). Due the stringent requirements of several interfaces needed optical networks have been proposed support C-RAN. One key elements that needs be considered transponders. Specifically, sliceable...

Current inter-data-center connections are configured as static big fat pipes, which entails large bit rate over-provisioning and thus high operational costs for DC operators. On the other hand, network operators cannot share such between customers, because traffic varies greatly over time. Those used to perform virtual machine migration database synchronization among federated DCs, allowing elastic operations. To improve resource utilization save costs, dynamic inter-DC connectivity is...

Despite the large impact chronic obstructive pulmonary disease (COPD) that has on population, implementation of new technologies for diagnosis and treatment remains limited. Current practices in ambulatory oxygen therapy used COPD rely fixed doses overlooking diverse activities which patients engage in. To address this challenge, we propose a software architecture aimed at delivering patient-personalized edge-based artificial intelligence (AI)-assisted models are built upon data collected...

Radio Access Network (RAN) costs savings are expected in future Cloud RAN (C-RAN). Differently from traditional distributed architecture, C-RAN Remote Heads (RRH) different sites can share baseband processing resources virtualized Base Band Unit (BBU) pools placed few central locations (CO). Due to the stringent requirements of several interfaces needed C-RAN, optical networks have been proposed support it. In this paper, we present Capital Expenditures (CAPEX) minimization problem decide...

Traditional distributed radio access networks (RANs) are evolving toward centralized architectures, with the aim of satisfying in a cost-effective manner forecast traffic growth that future mobile will need to support. Specifically, cloud RAN (C-RAN) architecture has shown it can alleviate some extent ever-increasing total cost ownership networks. The current trend C-RAN is separate remote heads frequency (RF) functions and baseband unit (BBU) gathering processing. This functional split...

An increasing number of studies about flexgrid-based elastic optical networks are currently being carried out by industry as well academic research teams. As access to real test-beds is limited, there a lack effective tools that emulate realistic scenarios for testing algorithms and network architectures. In this paper, we present simulation framework based on an active stateful Path Computation Element (PCE) with Global Concurrent Optimization (GCO) flexgrid networks. The simulator fully...

A hierarchical distributed telecom cloud architecture for live-TV distribution exploiting flexgrid networking and SBVTs is proposed. Its scalability compared to that of a centralized architecture. Cost savings as high 32 % are shown.

Creating datacenter federations allows balancing workloads accommodating spikes in cloud demand while reducing the extensive energy consumption of datacenters. This operators to reduce cost and increase their revenue from using under-utilized resources. To implement those elastic operations, datacenters need be connected through a network providing huge capacity guaranteeing adequate resource availability when it is required. Those features can covered by flexgrid optical technology provided...

Creating datacenter federations allows balancing workloads accommodating spikes in cloud demand while reducing the extensive energy consumption of datacenters. This operators to reduce cost and increase their revenue from using under-utilized resources. To implement those elastic operations, datacenters need be connected through a network providing huge capacity guaranteeing adequate resource availability when it is required. Those features can covered by flexgrid optical technology provided...

Managing inter-datacenter (DC) connectivity to transport increasing amounts of data and optimize DC performance costs becomes a challenge not only for operators but also network operators. Current inter-DC connections are configured as static big fat pipes, resulting in large bitrate over-provisioning thus operational Furthermore, because the nature traffic, which highly varies during time, cannot share such with other customers, resources may be underutilized. Therefore, an number studies...

We propose a network-driven transfer mode for cloud operations in step towards carrier SDN.Inter-datacenter connectivity is requested terms of volume data and completion time.The SDN controller translates forwards requests to an active PCE controlling flexgrid network.

Abstract An accelerometer is a transducer that allows measuring the acceleration acting on structure. Physically, an consists of central mass suspended by thin and flexible arms its performance highly dependent dimensions both arms. The two most important parameters when evaluating these devices are sensitivity operating frequency range (or bandwidth), latter one being limited to...

Huge amount of algorithmic research is being done in the field optical networks, including Routing and Spectrum Allocation (RSA), elastic operations, spectrum defragmentation, other re-optimization algorithms. Frequently, those algorithms are developed executed on simulated environments, where many assumptions about network control management issues. Those issues relevant, since they might prevent to be deployed real scenarios. To completely validate network-related algorithms, we an...

An algorithm for Customer Virtual Network (CVN) reconfiguration with QoS constraints and bandwidth guarantees is presented. MPLS virtual network supporting CVNs pre-planned or dynamically reconfigured. Exhaustive simulations results show 19% CAPEX savings when the

Creating datacenter (DC) federations allows DC operators to reduce costs and increase their revenues from using under-utilized resources as well expand geographical coverage aiming improve users' Quality of Experience. Since huge capacity is needed interconnect the DCs in a federation, elastic optical networks can be used. Taking advantage an intelligent control plane, connectivity requested on demand. To that end, Application-Based Network Operations (ABNO) architecture, standardized by...