Elastic Optical Networks (EONs) are challenged by spectrum fragmentation, which can obstruct the establishment of new connections. While the concept of fragm...

This paper addresses the limitations of current satellite payload architectures, which are predominantly hardware-driven and lack the flexibility to adapt to...

High throughput satellites (HTS), with their digital payload technology, are expected to play a key role as enablers of the upcoming 6G networks. HTS are mai...

The smooth operation of largely deployed Internet of Things (IoT) applications will depend on, among other things, effective infrastructure failure detectio...

While one can exploit the storage properties and thus the deferability or anticipation potential of many classes of power system loads (such as thermal loads...

Networked protection systems use information, communication and computation technologies to collect and process sensor data from spatially distributed sensor...

Wireless communications can facilitate transfer of synchrophasor data between spatially separated phasor measurement units (PMUs) and phasor data concentrato...

Electrical distribution network operators require measurements from phasor measurement units (PMUs), micro-PMUs (\(\mu\)PMUs), and smart meters (SMs) in or...

In this paper we tackle the problem of eNodeB failure detection in LTE networks using Binary Classification techniques under smart-cities Machine-to-Machine ...

There has been a lot of interest recently on the energy efficiency and environmental impact of wireless networks. Given that the base stations are the netw...

This paper proves the concept that it is feasible to accurately recognize specific human mobility shared patterns, based solely on the connection logs betw...

The paper presents a model for the characterization of M2M traffic and the performance evaluation of LTE access to support M2M communication, embedded into ...

Network characterization and modelling is an important issue to understand and monitor IP network performance, in particular for real-time multimedia appli...

When dealing with node or link failures in Software Defined Networking (SDN), the network capability to establish an alternative path depends on controller r...

Driven by the need of robust, cost-effective, and ready-to-use solutions to connect wirelessly thousands to million of nodes, an increasing number of applica...

This work presents Visual PeRF-Mesh, a tool that addresses the performance analysis and simulation of Advanced Metering Infrastructure (AMI) RF-mesh smart...

Advanced Metering Infrastructures ({AMI}s) lay the foundation of a wide variety of smart grid applications. Despite their low capacity, RF-mesh systems are a...

When dealing with node or link failures in Software Defined Networking (SDN), the network capability to establish an alternative path depends on controller r...

This work deals with the performance analysis of a particular type of AMI: the RF-mesh based smart meter network. The system implements a MAC access with a t...

The widespread proliferation of Internet and wireless applications has produced a significant increase of ICT energy footprint. As a response, in the last fi...

Advanced meter infrastructures (AMIs) are now widespread and their importance within smart grid systems continues to increase with the advent of new applicat...

In this paper we investigate the options of a network operator faced with the requirement of reducing its carbon footprint, expressed in terms of a global en...

Robust optimization (RO) is a powerful mean to handle optimization problems where there is a set of parameters that are uncertain. The effectiveness of the m...

In this paper, we propose a queueing model to analyze the performance of an opportunistic spectrum access (OSA) system with service interruptions operating o...

We provide a comprehensive delay and queueing analysis for two baseline medium access control protocols for multi-user cognitive radio networks with homogene...

Notables features of cognitive radios have made them a technology of choice for wireless communications and motivated the notion of cognitive radio cellular ...

Dynamic spectrum access (DSA) for secondary networks improves the spectrum utilization by finding spectrum opportunities and exploiting them efficiently. A k...

In this paper, we present a new queueing model providing the accurate average system time for packets transmitted over a cognitive radio (CR) link for multip...

In this paper we introduce a joint planning and energy management framework for Wireless Mesh Networks. In order to show that power management should be inte...

The packet delay variation, commonly called delay jitter, is an important quality of service parameter in IP networks especially for real-time applications. ...

Jitter buffering is a key component in multimedia and real-time services. A jitter buffer is used at the receiver side to control packet rate and to compensa...

A reliable and scalable mechanism to provide protection against a link or node failure has additional requirements in the context of SDN and OpenFlow. Not on...

This paper introduces a joint planning and management optimization approach for cellular networks to limit energy consumption while guaranteeing QoS and mini...

The paper proposes a fundamental modeling and optimization framework for the planning of energy-aware wireless networks. The key idea is that, in order to p...

Cognitive radio networks (CRNs) benefit from several features, such as decision-making, spectrum-awareness and reconfigurability over heterogeneous channels....

Cognitive radio networks (CRNs) benefit from several features, such as decision-making, spectrum-awareness and reconfigurability, which enable them to perfor...

Regarding the integration of services and applications, a requisite for the widely deployment of cognitive radio networks is the support of service different...

Recent data confirms that the power consumption of the ICT and of the Internet itself can no longer be ignored considering the increasing pervasiveness and...

A robust multi-period model is proposed to minimize the energy consumption of IP networks, while guaranteeing the satisfaction of uncertain traffic demands. ...

Despite the growing concern for the energy consumption of the Internet, green strategies for network and traffic management cannot undermine the quality and ...

In this paper we present JNetMan, a new Java framework for rapid development of network management solutions based on SNMP (Simple Network Management Protoco...

In this paper we present a novel experimental platform for network management able to dynamically optimize the energy consumption of backbone IP networks ope...

Cloud Computing applications are inherently oriented to send and receive information between multiple virtual machines and geographically distributed users. ...

Cloud Computing networks include software components, servers, routers, network links, and data center facilities. Thus, they require a meticulous design tha...

The ubiquity of cloud applications requires the meticulous design of cloud networks with high quality of service, low costs, and low CO₂ emissions...

In this article, we provide an analytical framework to assess network level QoS measures for differentiated non-saturated traffic in infrastructure mode 802....

This paper analyzes the impact of feedback delay on the performance of multiuser selection diversity systems employing orthogonal space-time block coding (OS...

In this paper, for the purpose of service differentiation in opportunistic spectrum access (OSA) enabled networks, we take different priority queueing discip...

Current network planning and design methods use the average delay, packet loss and throughput as metrics to optimize the network cost and performance. New...

Given Cloud Computing geographical distribution on multiple regions, the location of data centers, servers and software components and the way information is...

This paper deals with the joint planning and energy management operation of Wireless Mesh Networks. We claim that energy management should be incorporated a...

Cognitive radio networks (CRNs) benefit from several features, such as decision-making, spectrum-awareness and reconfigurability, which enable them to perfor...

In this paper we analyze the promising, but yet mostly unexplored, ability of opportunistic spectrum access (OSA) based on cognitive radios (CR) to provide a...

In this paper, we introduce a queueing approach with server interruptions to analyze the performance of a cognitive radio (CR) link subject to recurrent fail...

Cognitive radio-based Long Term Evolution (LTE) networks enjoy the interesting features of cognitive Radios (CR), such as learning and reconfigurability, wh...

Cognitive radios (CR) are an efficient approach to deploy a secondary network in the vacant portions of the spectrum licensed to primary networks. However, w...

Cognitive radios (CR) are an efficient approach to deploy a secondary network in the vacant portions of the spectrum licensed to primary networks. However, w...

To ensure widespread deployment and popularity, next generation wireless services will require a Quality of Service (QoS), and particularly a reliability, th...

Although the main objectives of dynamic spectrum access and cognitive radios are to solve the problem of spectrum scarcity and usage inefficiency, we show in...

This paper presents an analysis of a compiled database of power consumption and networking functionalities found in datasheets of routers and switches of so...

In this paper, we present the PolyMAX module which enhances ns-2 (network simulator 2), the most popular network simulator used in academia, to provide one o...

The topic of this paper is the evaluation of QoS parameters in live Pre-Wimax environments. The main contribution is the validation of an analytical delay-ji...

The role of the Information and Communication Technology sector on productivity and economic growth is constantly increasing and, due to its pervasiveness, ...

Traditionally, IP Network planning and design is mostly based on average delay or loss constraints which can often be easily calculated. Jitter, on the othe...

<p>With the increasing concern for global warming, the impact of Internet power consumption is gaining interest. In this paper, we explore, for the first ti...

The issue of Internet energy consumption and its contribution to global warming has been gaining importance lately. In this paper we present a compilation of...

This paper deals with the design and dimensioning of a novel survivable optical network structure, called Petaweb, that can reach a total capacity of severa...

In this paper, we evaluate the impact of the wireless channel and physical layer parameters on the performance of VoIP traffic in IEEE 802.11g networks. The ...

In this paper we analyze the trade-off between admission costs and receiver rewards of TCP Tahoe flows competing for buffer space. Since the buffer space is...

This paper explores the design modelling issues of the Petaweb, an optical network architecture that provides fully meshed connectivity between electronic...

We propose a hybrid routing scheme that combines traditional shortest-path based OSPF mechanisms as well as a new form of explicit routing executed at the ...

The convergence of different classes of traffic with different priorities over the wire- less network has become a reality. To insure that the users of key ...

In this manuscript we tackle the optimal upgrade of an innovative optical transport network architecture called the Petaweb, which has a particular composite...

This paper addresses the structural optimization of a next generation optical, lattice based, yottabit-per-second transport network topology, called the <i>...

This paper presents the design and dimensioning optimization of a novel optical network structure, called the PetaWeb, having a total capacity of several Pb...

In this paper, we study the problem of determining the capacity requirements for applications that require QoS guarantees. We consider three kinds of source ...

In this article we extend previous work showing that DiffServ can provide some QoS guarantees to both real-time and non real-time traffic in the event of th...

As ISP’s and Telco’s converge towards all-IP network infrastructures, the problem of QoS becomes more acute. To address it, operators are deploying differen...

The increase of bandwidth demand for new Internet applications suggests mapping directly IP over the WDM layer. Since reliability is such a critical issue i...

This paper proposes an efficient heuristic to solve the topological design of a next generation optical network that provides fully meshed connectivity betw...

This paper deals with the topological design of a next generation optical network that provides fully meshed connectivity between electronic edge nodes. Suc...

This paper presents a new heuristic to solve efficiently the problem of dimension- ing large-size hybrid optoelectronic networks with grooming. It is modele...

This paper surveys important parameters for the design of large scale networks topology such as the YottaWeb topology [1, 2, 3]. First, a wide range of perf...

This paper deals with the topological design of a yotta-bit-per-second (1 <i>yotta</i> = 10²⁴) multidimensional network. The YottaWeb is a recent...

We consider the design of a hybrid opto-electronic network with grooming. We propose a model in which we take into account the fact that grooming traffic req...

In this paper, we present an optimization model based on cost minimization for traffic engineering of multirate and ATM networks with switched virtual circ...

This paper deals with the design of a new proposed optical core transport network called the YottaWeb, which offers information delivery at rates thousand of...

This article deals with the problem of GPRS simulation and performance. The GPRS is an evolution of the GSM that allows packet data transfer. An important i...

In this paper we illustrate a new methodology for the design of fault-tolerant logical topologies in wavelength-routed optical networks exploiting wavelengt...

This paper solves the problem of designing an access tree network for which the users are connected to the switches through SONET channels on fiber optics l...

This paper presents the problem of optimally dimensioning a new geographically distributed computer system that handles all communications between aircraft ...

In this paper we illustrate a new methodology for the design of fault-tolerant logical topologies in wavelength-routed optical networks exploiting wavelengt...

In this article we propose a model for the topological design problem of multitechnology networks that includes the location of switches and their port conf...

Le problème traité dans ce rapport est celui de la conception de réseaux d'accès utilisant la technologie SONET et ayant une topologie en arbre. Nous dévelo...

Currently, technological possibilities for implementing multi-service networks include both single technology ATM or IP networks and multi-technology netwo...

We present a fast tabu search method for the design of access tree networks. We connect a population of users to a set of switches using a variety of SONET ...

We propose a network design model for flat networks using hybrid optical/electronic equipments. We describe a set of network components that can be taken in...

There is an increasing interest for efficient synthesis methods (routing and dimensioning) of large and robust multi-service networks. In the case of ATM ne...

In this paper we propose a framework for the overall design problem of internet protocol (IP) networks with performance guarantees that includes the locatio...

This paper presents a mixed 0-1 linear programming model for the metropolitan area network (MAN) expansion problem. The model includes the location of new...

In this paper we deal with the problem of how to expand MANs (Metropolitan Area Networks) in a cost-effective way. We first propose a mathematical programmi...

This paper deals with the problem of how to update telecommunication networks economically. We first propose a mixed integer programming model that includes...

In this article we propose a mixed 0-1 linear programming model for the topological network design problem with modular switches such as the ones that will ...

ATM (Asynchronous Transfer Mode) is a new technology recently chosen by the ITU-T standard for broadband networks. Being a powerful and yet complex techno...

For many years banks designed their promotional efforts to aim at the broadest possible markets in hopes of recruiting new clients. Recently, competitive me...

The Steiner Tree Problem in graphs (STP) is well known NP-Hard problem. It has regained attention due to the introduction of new telecommunication technolog...

This paper deals with the problem of how to update a telecommunication network economically. We first propose a mixed integer programming model that include...

In this article we propose a model for the topological design problem of two-level multitechnology telecommunication networks that includes the optimal loca...

Multi-commodity flow models are well known and have been widely used in the design of packet-switched networks. They have also been used as approximations ...

This paper presents a framework to assess a performability measure in a urban transportation network given the possibility of an accident condition. This fr...

Managing redundant information is becoming an important issue in today's increasingly large distributed computer networks. As total redundancy is extremely ...

This paper presents a scenario-oriented optimization model and solution algorithm to solve the joint routing/capacity assignment problem for computer networ...

We consider a model for communications network design that includes the optimal location of switches (of which there are several types) and the design of th...

In a subway system, when a train leaves one station to go to another power consumption increases and, at one point, reaches a peak. When such peaks occur s...

We present several versions of a tabu search algorithm for the Steiner tree problem in graphs. A basic tabu search heuristic and versions with radical and/...

The paper presents three parallel versions of a column generation software applied to very large airline planning problems. The algorithms were implemented...

In this paper we tackle the problem of jointly finding the optimal location of the ATM switches, the topology of the backbone and local access networks, the...

Routing models for packet-switched networks have traditionally been based on the assumption that the offered traffic is Poisson. This is unrealistic since ...

In this paper we propose a scenario-oriented optimization model and solution algorithm to assess the capacity and the routing of computer networks. The adva...

This paper presents the problem of optimally dimensioning a new geographically distributed computer system that handles all communications between aircraft ...

Multi-commodity flow models are well known and have been widely used in the design of packet-switched networks. Flow models have also been proposed for the ...

One important issue being addressed in the design of Distributed Computer Networks is how to increase the availability of time-changing information even in ...

The Airline Crew Scheduling Problem can be defined as the problem of finding a set of feasible rotations so that the total cost is minimum and all the fligh...

We propose a measure of the reliability of a telecommunication network based on the expected value of the lost call traffic due to failures in the network. ...