Rui Jorge Morais Tomaz Valadas

Rui Valadas

Academic position:	Full Professor
Joining date:	01-03-1998
Roles in IT:	Researcher
Thematic Line:	Networks and Services
Group:	Network Architectures and Protocols – Lx

IT – Lisboa
Instituto Superior Técnico - Torre Norte - Piso 10
Av. Rovisco Pais, 1
1049 - 001 Lisboa
Tel: +351 21 841 84 54
Email: Send Email

Alternative Personal Web Page

https://www.orcid.org/0000-0002-7420-4386

By Authors | By Institutions | By Group

Scientific Achievements

Degrees

Agregação, Universidade de Aveiro, 01-01-2005
PhD, Universidade de Aveiro, 01-02-1996

Affiliations

Instituto Superior Técnico, 01-04-2009, Professor Catedrático
Universidade de Aveiro, 01-10-1986 - 31-03-2009, Professor Associado c/ Agregação

Academic Activities

36Supervision of MSc theses

As Supervisor

Advanced pentesting lab for Windows Active Directory security, MSc Student, Bernardo Alexandre de Campos Salvação, Concluded 12-2025
Web security pentesting laboratory, MSc Student, João Pedro Arruda Pimentel, Concluded 12-2025
NetPrism: A Centralized CLI for Datacenter Automation, MSc Student, Samuel Oliveira Barata, Concluded 12-2025
An Automated 5G Network Testbed, MSc Student, Lourenço Capitão Completo, Concluded 11-2025
Hacktive - An automation tool for Active Directory Reconnaissance and Enumeration, MSc Student, José Eduardo de Pinto Afonso, Concluded 12-2024
Closed-loop and distributed load testing of Web applications using Kubernetes, MSc Student, Keval Visnú Ramniclal, Concluded 12-2024
SR Linux agent for Kubernetes load balancing on data center fabrics, MSc Student, João Rafael Rodrigues Carvalheiro, Concluded 11-2024
Implementation of secure tunnels using the Scago library, MSc Student, José António Diogo Santos, Concluded 11-2024
Decentralized and Dynamic Zero-Touch Provisioning of Leaf-Spine Data Centers, MSc Student, Martim de Barros e Carvalhosa Tavares, Concluded 11-2024
Security laboratory for Active Directory systems based on Samba and Windows, MSc Student, Tiago Fernandes Delgado, Concluded 11-2024
Kubernetes multitenancy with network isolation via Linux bridges and VXLAN, MSc Student, João Guilherme Ricardo Vicente, Concluded 06-2024
Hard-state Protocol Independent Multicast – Source Specific Multicast (HPIM-SSM), MSc Student, Ana Catarina Rodrigues Grilo, Concluded 11-2023
Detection of cyber security attacks in 5G Networks, MSc Student, Daniel José Simão Adónis, Concluded 11-2023
Service Meshes and their application to the 5G Core, MSc Student, Francisco Bordalo Pereira de Oliveira Rosa, Concluded 11-2023
Analysis of 5G Core networks in containers environment, MSc Student, Francisco José Rodrigues Raposo Simões Bento, Concluded 11-2023
Data Privacy Application for Cybersecurity in 5G, MSc Student, Henrique Ferreira de Almeida Candeias, Concluded 11-2023
EVPN in Datacenter Networking, MSc Student, Hugo Miguel dos Santos Borges, Concluded 11-2023
Open-source Framework for SR Linux Configuration and Fault Management, MSc Student, João Pedro Pinheiro Lopes, Concluded 11-2023
Micro-Services Based Application for Data Center Dimensioning, MSc Student, Miguel Quinteiro Ribeiro, Concluded 11-2023
SR Linux Telemetry Scrapper Agent for Telemetry Data Export, MSc Student, Pedro Leal Machado dos Santos Morais, Concluded 11-2023
Scago: A Go library for implementing network protocols and cybersecurity testing, MSc Student, Tiago Miguel Fernandes Diogo, Concluded 11-2023
Networking in Virtual Container Networks, MSc Student, Bruno Daniel Antunes de Freitas, Concluded 06-2023
Pentesting Labs for Web Security and Active Directory, MSc Student, Tiago Filipe Sequeira Domingues, Concluded 06-2023
Cyber Security Attacks to the Network Infrastructure, MSc Student, Duarte Simões Matias, Concluded 11-2022
Data Center Monitoring based on SR Linux, MSc Student, Pedro Miguel Colaço Rodrigues, Concluded 11-2022
C++ implementation of OSPFv2 extension for the support of multi-area networks with arbitrary topologies, MSc Student, Xavier Carneiro Gomes, Concluded 11-2022
Agente SNMP para SR Linux, MSc Student, Guilherme André Soares Cardoso, Concluded 10-2022
Deteção de Ataques de Segurança utilizando Análise de Séries Temporais, MSc Student, Inês Sofia Moreira Alves, Concluded 12-2021
OSPFv3’s extension for the support of multi-area networks with arbitrary topologies, MSc Student, João Bernardo Pedroso de Lima Ferreira da Fonseca, Concluded 12-2021
Traffic Engineering based on MPLS and Segment Routing, MSc Student, Matilde Carmo Martinho Pereira, Concluded 12-2021
Large Scale VPNs, MSc Student, Ricardo Silva Bandeira, Concluded 12-2021
Virtual environment for cybersecurity tests, MSc Student, Marco Edgar Fernandes Afonso, Concluded 01-2021
Hard-state Protocol Independent Multicast – Source Specific Multicast (HPIM-SSM), MSc Student, Margarida Marques Simões, Concluded 01-2021
OSPF extensions for the support of multi-area networks with arbitrary topologies, MSc Student, Miguel de Oliveira Dias Gonçalves, Concluded 01-2021
Robust Multicast Routing Protocol , MSc Student, Pedro Francisco Carmelo de Oliveira, Concluded 11-2018
OSPF extension to support multi-area networks with arbitrary topologies, MSc Student, André Pinheiro Pires, Concluded 06-2018

1Supervision of Research grants

As Co-supervisor

Mecanismos de Avaliação da Qualidade de Serviço das Redes IP, Research Grant, João Silva, Concluded 09-2007

Publications

2Books

R. Valadas, OSPF and IS-IS: From Link State Routing Principles to Technologies, CRC Press, New York, 2018,
| BibTex
R. Valadas, P. Salvador, Traffic Management and Traffic Engineering for the Future Internet, Springer, New York, 2009,
| BibTex

6Books Chapters

A. N. Nogueira, P. Salvador, R. Valadas, A. Pacheco, Markovian Modelling of Internet Traffic, Chapter in, Performance Handbook in Next Generation Internet: Performance Evaluation & Applications, D. Kouvatsos, Springer, Berlin-Heidelberg, 2011
A. N. Nogueira, P. Salvador, R. Valadas, A. Pacheco, A Hierarchical Approach based on MMPPs for Modelling Self-similar Traffic over Multiple Time Scales, Chapter in, Heterogeneous Networks: Vol. I - Traffic Engineering, Performance Evaluation Studies & Tools, Demetres Kouvatsos, Elsevier Science, 2009
J. Gonçalves, P. Salvador, A. N. Nogueira, R. Valadas, Peer-Level Analysis of Distributed Multimedia Content Sharing, Chapter in, Traffic Management and Traffic Engineering for the Future Internet, Rui Valadas and Paulo Salvador, Springer, Berlin Heidelberg New York, 2009
R. Oliveira, A. Pacheco, C. Pascoal, R. Valadas, P. Salvador, On the Dependencies between Internet Flow Characteristics, Chapter in, Traffic Management and Traffic Engineering for the Future Internet, Rui Valadas and Paulo Salvador, Springer, Berlin Heidelberg New York, 2009
A. N. Nogueira, P. Salvador, R. Valadas, A. Pacheco, Modeling IP Traffic Behavior through Markovian Models, Chapter in, Encyclopedia of Internet Technologies and Applications, Mário Freire and Manuela Pereira, Idea-Group Inc., Hershey, 2007
A. N. Nogueira, P. Salvador, R. Valadas, A Framework for Detecting Internet Applications, Chapter in, Lecture Notes in Computer Science, Springer-Verlag Berlin, Springer, Berlin, 2007

36Papers in Journals

J. Carvalheiro, R. Valadas, M. López, H. Barata, S. Santos, Kubernetes-aware load balancing for leaf-spine EVPN data centers, journal of cloud computing, Vol. 15, No. 1, pp. -, January, 2026,
| Abstract | BibTex
M. Tavares, R. Valadas, T. Amado, M. López, S. Santos, Decentralized and Dynamic Zero-Touch Provisioning of Leaf-Spine EVPN Data Centers, IEEE Access, Vol. 13, No., pp. 125190 - 125206, July, 2025,
| Abstract | BibTex
A. Grilo, P. Oliveira, R. Valadas, Hard‐state Protocol Independent Multicast—Source‐Specific Multicast (HPIM‐SSM), IET Networks, Vol. 13, No. 5-6, pp. 486 - 512, September, 2024,
| Abstract | BibTex
X. Gomes, J. Fonseca, R. Valadas, Open Shortest Path First extension for the support of multiarea networks with arbitrary topologies, IET Networks, Vol. 13, No. 3, pp. 241 - 248, January, 2024,
| Abstract | BibTex
A. Garcia, M.R.O de Oliveira, R. Valadas, P. Salvador, A. Pacheco, Detection of Internet-wide traffic redirection attacks using machine learning techniques, IET Networks, Vol. 12, No. 4, pp. 179 - 195, July, 2023,
| Abstract | BibTex
P. Oliveira, A. S. Silva, R. Valadas, HPIM‐DM: A fast and reliable dense‐mode multicast routing protocol, IET Networks, Vol. 12, No. 3, pp. 122 - 151, May, 2023,
| Abstract | BibTex
F.M. Macedo, R. Valadas, E. Carrasquinha, M.R.O de Oliveira, A. Pacheco, Feature selection using Decomposed Mutual Information Maximization, Neurocomputing, Vol. 513, No. 0, pp. 215 - 232, November, 2022,
| Abstract | BibTex
M. Silva, M. Azeitona, A. Pacheco, R. Valadas, Association measures for interval variables, Advances in Data Analysis and Classification, Vol. 15, No. 2, pp. 1 - 30, June, 2021,
| Abstract | BibTex
F.M. Macedo, M.R.O de Oliveira, A. Pacheco, R. Valadas, Theoretical foundations of forward feature selection methods based on mutual information, Neurocomputing, Vol. 325, No. 0, pp. 67 - 89, January, 2019 | BibTex
M.R.O de Oliveira, M. Vilela, A. Pacheco, R. Valadas, P. Salvador, Extracting Information from Interval Data Using Symbolic Principal Component Analysis, Austrian Journal of Statistics, Vol. 46, No. 3-4, pp. 79 - 87, April, 2017,
| Abstract | BibTex
C. Pascoal, M.R.O de Oliveira, A. Pacheco, R. Valadas, Theoretical evaluation of feature selection methods based on mutual information, Neurocomputing, Vol. 226, No. 1, pp. 168 - 181, February, 2017,
| Abstract | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, A. Pacheco, Modeling Self-similar Traffic over Multiple Time Scales based on Hierarchical Markovian and L-System Models, Computer Communications, Vol. 33, No. Suplement 1, pp. S3 - S10, November, 2010 | BibTex
A. N. Nogueira, P. Salvador, A. Couto, R. Valadas, Towards the On-line Identification of Peer-to-peer Flow Patterns, Journal of Networks, Vol. 4, No. 2, pp. 108 - 118, April, 2009 | BibTex
A. N. Nogueira, RN Nogueira, P. Salvador, R. Valadas, Differentiating Internet Applications using Principal Component Analysis, Ubiquitous Computing and Communication Journal, Vol. CSNDSP, No. --, pp. 1 - 13, January, 2009 | BibTex
M.R.O de Oliveira, R. Valadas, A. Pacheco, P. Salvador, Cluster analysis of Internet users based on hourly traffic utilization, IEICE Transactions on Communications, Vol. E90-B, No. 7, pp. 1594 - 1607., July, 2007 | BibTex
S. Sargento, R. Valadas, Accurate Estimation of Capacities and Cross-Traffic of All Links in a Path Using ICMP Timestamps, Telecommunication Systems, Vol. 1, No. 1, pp. 1 - 1, October, 2006 | BibTex
TP Pinho, J. L. Oliveira, R. Valadas, P. Salvador, A. N. Nogueira, Active traffic monitoring for heterogeneous environments, Lecture Notes in Computer Science, Vol. 3420, No. ??, pp. 603 - 610, April, 2005 | BibTex
P. Salvador, A. N. Nogueira, R. Valadas, Framework based on stochastic L-Systems for modeling IP traffic with multifractal behavior, Computer Communications, Vol. 27, No. 18, pp. 1799 - 1811, December, 2004 | BibTex
S. Sargento, R. Valadas, Performance of Hierarchical Aggregation in Differentiated Services Networks, Telecommunication Systems, Vol. 27, No. 1, pp. 47 - 66, September, 2004 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, A. Pacheco, Fitting self-similar traffic by a superposition of MMPPs modeling the distribution at multiple time scales, IEICE Transactions on Communications, Vol. E87-B, No. 3, pp. 678 - 688, March, 2004 | BibTex
P. Salvador, A. Pacheco, R. Valadas, Modeling IP Traffic: Joint Characterization of Packet Arrivals and Packet Sizes Using BMAPs, Computer Networks, Vol. 44, No. 3, pp. 335 - 352, February, 2004 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, A. Pacheco, Modeling Network Traffic with Multifractal Behavior, Telecommunication Systems, Vol. 24, No. 2, pp. 339 - 362, October, 2003 | BibTex
P. Salvador, R. Valadas, A. Pacheco, Multiscale Fitting Procedure using Markov Modulated Poisson Processes, Telecommunication Systems, Vol. 23, No. 1-2, pp. 123 - 148, June, 2003 | BibTex
A. Tavares, R. Valadas, R. Aguiar, A. M. O. D. Duarte, Experimental Characterization of Rate-Adaptive Transmission and Angle Diversity Reception Techniques, IEEE Wireless Communications, Vol. 10, No. 2, pp. 36 - 44, April, 2003 | BibTex
A. Tavares, R. Valadas, R. Aguiar, A. M. O. D. Duarte, Angle Diversity and Rate-Adaptive Transmission for Indoor Wireless Optical Communications, IEEE Communications Magazine, Vol. 41, No. 3, pp. 64 - 73, March, 2003 | BibTex
S. Sargento, R. Valadas, J. Gonçalves, IP-based Access Networks for Broadband Multimedia Services, IEEE Communications Magazine, Vol. 41, No. 2, pp. 109 - 119, February, 2003 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, A. Pacheco, Modeling Self-similar Traffic through Markov Modulated Poisson Processes over Multiple Time Scales, Lecture Notes in Computer Science, Vol. 2720, No., pp. 550 - 560, January, 2003 | BibTex
S. Sargento, R. Valadas, Tradeoffs between signaling and resource utilization in DiffServ networks with hierarchical aggregation, Lecture Notes in Computer Science, Vol. 2515, No. 2515, pp. 241 - 254, November, 2002 | BibTex
R. Aguiar, A. Tavares, J. Cura, E. Vasconcelos, L. Alves, R. Valadas, D. Santos, Electronic Circuits for Wireless Optical LANs - I, Revista do Departamento de Electrónica e de Telecomunicações, Universidade de Aveiro, Vol. 2, No. 6, pp. 766 - 775, September, 1999 | BibTex
R. Valadas, A. Moreira, C. Lomba, A. Tavares, A. M. O. D. Duarte, The IEEE 802.11 Infrared Physical Layer, IEEE Communications Magazine, Vol. 36, No. 12, pp. 107 - 112, December, 1998 | BibTex
C. Lomba, R. Valadas, A. M. O. D. Duarte, Combining Emitter and Receiver Diversity to Achieve Data Rates Above 100 Mbps on Diffuse Optical Channels, Measurement, Vol. 34, No. 12, pp. 1243 - 1244, June, 1998 | BibTex
C. Lomba, R. Valadas, A. M. O. D. Duarte, Experimental characterisation and modelling of the reflection of infrared signals on indoor surfaces, IET Optoelectronics, Vol. 145, No. 3, pp. 191 - 197, June, 1998 | BibTex
R. Valadas, A. Tavares, A. M. O. D. Duarte, Angle Diversity to Combat the Ambient Noise in Indoor Optical Wireless Communication Systems, International Journal of Wireless Information Networks, Vol. 4, No. 4, pp. 275 - 288, October, 1997 | BibTex
A. Moreira, R. Valadas, A. M. O. D. Duarte, Optical Interference Produced by Artificial Light, Wireless Networks, Vol. 3, No. ?, pp. 131 - 140, May, 1997 | BibTex
R. Aguiar, R. Valadas, A. Moreira, C. Lomba, A. Tavares, A. F. Sousa, A. M. O. D. Duarte, Contribuições da Universidade de Aveiro para a Especificação da Rede de Área Local Não-cablada do IEEE 802.12, Revista do Departamento de Electrónica e de Telecomunicações, Universidade de Aveiro, Vol. 1, No. 7, pp. 695 - 704, January, 1997 | BibTex
A. Moreira, R. Valadas, A. M. O. D. Duarte, Performance of Infrared Transmission Systems Under Ambient Light Interference, IET Optoelectronics, Vol. 143, No. 6, pp. 339 - 346, December, 1996 | BibTex

66Papers in Conferences

A. Garcia, M.R.O de Oliveira, R. Valadas, A. Pacheco, P. Salvador, Detecting Internet-Scale Traffic Redirection Attacks using Latent Class Models, International Conference on Information Assurance and Security - IAS, Porto, Portugal, December, 2018,
| Abstract | BibTex
R. Valadas, M.R.O de Oliveira, S. Leal, Anomaly Detection of Internet Traffic using Robust Feature Selection based on Kernel Density Estimation, European Conf. on Networks and Communications - EUCNC, Paris, France, June, 2015 | BibTex
M.R.O de Oliveira, J.J.D.N Neves, R. Valadas, P. Salvador, Do we need a perfect ground-truth for benchmarking Internet traffic classifiers?, IEEE International Conf. on Computer Communications - INFOCOM, Hong Kong, China, Vol. 0, pp. 0 - 0, April, 2015 | BibTex
C. Pascoal, R. Oliveira, R. Valadas, P. F. Filzmoser, A. Pacheco, P. Salvador, Robust Feature Selection and Robust PCA for Internet Trafﬁc Anomaly Detection, IEEE INFOCOM, Orlando, United States, Vol. 2012, pp. 1755 - 1763, March, 2012,
| Abstract | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, A. Pacheco, Joint Modeling of Network Related Events with Multi-Dimensional Markov Modulated Deterministic Processes, IEEE International Conf. on Software, Telecommunications and Computer Networks - SoftCOM, Hvar, Croatia, Vol. --, pp. -- - --, September, 2011 | BibTex
A. N. Nogueira, P. Salvador, E. Rocha, R. Valadas, Emulation Environment for Ground Truth Establishment, International Conf. on Emerging Network Intelligence - Emerging, Florence, Italy, Vol. --, pp. -- - --, October, 2010 | BibTex
P. Salvador, A. N. Nogueira, R. Valadas, Markovian Models for Medical Signals on Wireless Sensor Networks, IEEE International Workshop on Medical Applications Networking - MAN 2009, Dresden, Germany, Vol. -, pp. - - -, June, 2009 | BibTex
P. Salvador, A. N. Nogueira, U.F. França, R. Valadas, Framework for Zombie Detection using Neural Networks, IARIA International Conf. on Internet Monitoring and Protection - ICIMP, Venice, Italy, Vol. -, pp. - - -, May, 2009 | BibTex
C. Monteiro, P. Salvador, A. N. Nogueira, R. Valadas, Integrated System for Collecting, Processing and Storing Network Information, Conf. on Telecommunications - ConfTele, Santa Maria da Feira, Portugal, Vol. -, pp. - - -, May, 2009 | BibTex
JG Gonçalves, P. Salvador, A. N. Nogueira, R. Valadas, Peer Level Analysis of Distributed Multimedia Content Sharing, International Workshop on Traffic Management and Traffic Engineering for the Future Internet (FITraMEn 08), Porto, Portugal, Vol. -, pp. - - -, December, 2008 | BibTex
P. Salvador, A. N. Nogueira, U.F. França, R. Valadas, Detection of Illicit Traffic using Neural Networks, International Conf. on Security and Cryptography - SECRYPT, Porto, Portugal, Vol. --, pp. -- - --, July, 2008 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, Identifying Differentiating Characteristics of Internet Applications using Principal Component Analysis, International Symp. on Communication Systems and Digital Signal Processing, Graz, Austria, Vol. 1, pp. 1 - 1, July, 2008 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, Identification of Peer-to-peer Applications' Flow Patterns, International Conf. on Next Generation Internet Networks - NGI, Krakow, Poland, Vol. -, pp. - - -, April, 2008 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, Framework for Wireless Networks Management based on Network and Traffic Modeling with QoS Objectives, Forth EuroFGI Workshop on Wireless and Mobility, Barcelona, Spain, Vol. -, pp. - - -, January, 2008 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, Modeling Access Networks for QoS Prediction, Workshop on IP QoS and Traffic Control, Lisboa, Portugal, Vol. -, pp. - - -, December, 2007 | BibTex
P. Salvador, A. N. Nogueira, R. Valadas, Local Area Network Modeling for Performance Prediction, IEEE Conf. on Local Computer Networks, Dublin, Ireland, Vol. -, pp. - - -, October, 2007 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, Module for Identifying Internet Applications and its Integration in a Peer-to-peer Measurement Tool, IADIS International Conf. – Telecommunications, Networks and Systems, Lisboa, Portugal, Vol. -, pp. - - -, July, 2007 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, Joint Modeling of MANET Characteristics for QoS Prediction, IEEE International Symp. on Computers and Communications - ISCC, Aveiro, Portugal, Vol. -, pp. - - -, July, 2007 | BibTex
P. Salvador, A. N. Nogueira, R. Valadas, Predicting QoS Characteristics on Wireless Networks, International Conf. on Networking and Services - ICNS, Athens, Greece, Vol. -, pp. - - -, June, 2007 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, Predicting the Quality of Service of Wireless LANs using Neural Networks, ACM/IEEE International Symp. on Modeling, Analysis International Symp. on Modeling, Analysis and Simulation of Wireless and Mobile Systems - MSWIM, Torremolinos, Spain, Vol. 1, pp. 52 - 60, October, 2006 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, Detecting Internet Applications Using Neural Networks, IARIA International Conf. on Networking and Services - ICNS, Silicon Valey, United States, Vol. 1, pp. 1 - 10, June, 2006 | BibTex
S. Sargento, R. Valadas, Cross-Traffic Estimation in IP Networks, IFIP TC6 Networking Conf., Coimbra, Portugal, Vol. 1, pp. 1 - 1, May, 2006 | BibTex
S. Sargento, R. Valadas, Capacity and Cross-Traffic Estimation of All Links in a Path Using ICMP Timestamps, International Conf. on Networking - ICN, 1, Mauritius, Vol. 1, pp. 1 - 1, April, 2006 | BibTex
H.V. Veiga, R. Valadas, P. Salvador, A. N. Nogueira, T.P. Pfeiffenberger, F.S. Strohmeier, OWAMP Performance and Interoperability Tests, International Workshop on Internet Performance, Simulation, Monitoring and Measurement - IPS-MOME, Salzburg, Austria, Vol. -, pp. - - -, February, 2006 | BibTex
A. N. Nogueira, R. Oliveira, P. Salvador, R. Valadas, Using Neural Networks to Classify Internet Users, Advanced International Conference on Telecommunications AICT, Lisbon, Portugal, Vol. --, pp. -- - --, July, 2005 | BibTex
A. N. Nogueira, R. Oliveira, P. Salvador, R. Valadas, A. Pacheco, Classification of Internet users using discriminant analysis and neural networks, Conf. on Computer Networks, Rome, Italy, Vol. 1, pp. 1 - 1, April, 2005 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, A. Pacheco, Multilayer Markov modulated Poisson process for modeling self-similar traffic, International Conf. on Telecommunications - ICT, Tomar, Portugal, Vol. 1, pp. 1 - 1, April, 2005 | BibTex
P. Salvador, A. N. Nogueira, R. Valadas, A. Pacheco, Multi-time-scale traffic modeling using Markovian and L-Systems models, European Conf. on Universal Multiservice Networks - ECUMN, Porto, Portugal, Vol. 3262, pp. 297 - 306, October, 2004 | BibTex
TP Pinho, J. L. Oliveira, R. Valadas, P. Salvador, A. N. Nogueira, Implementação, validação e exploração do sistema de monitorização activa OWAMP, Conf. sobre Redes de Computadores - CRC, Leiria, Portugal, Vol. ??, pp. ?? - ??, October, 2004 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, A. Pacheco, Markovian approach for modeling IP traffic behavior on different time scales, SPIE Conf. on Performance and Control of Next Generation Communication Networks, Orlando, United States, Vol. 5244, pp. 29 - 40, September, 2003 | BibTex
P. Salvador, A. N. Nogueira, R. Valadas, Framework based on stochastic L-Systems for modeling IP traffic with multifractal behavior, SPIE Conf. on Performance and Control of Next Generation Communication Networks, Orlando, United States, Vol. 5244, pp. 18 - 28, September, 2003 | BibTex
P. Salvador, A. N. Nogueira, R. Valadas, Joint Characterization of the Packet Arrival and Packet Size Processes of Multifractal Traffic based on Stochastic L-Systems, International Teletraffic Congress, Berlin, Germany, Vol. cdrom, pp. cdrom - cdrom, August, 2003 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, A. Pacheco, Modeling Self-Similar Traffic through Markov Modulated Poisson Processes over Multiple Time Scales, IEEE International Conf. on High-Speed Networks and Multimedia Communications - HSNMC, Estoril, Portugal, Vol. 1, pp. 550 - 560, July, 2003 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, A. Pacheco, A Hierarchical Approach Based on MMPPs for Modeling Self-Similar Traffic over Multiple Time Scales, International Working Conf. on Performance Modeling and Evaluation of Heterogeneuous Networks - HET-NETs, Ilkley, United Kingdom, Vol. 1, pp. 37/1 - 37/13, July, 2003 | BibTex
R. Oliveira, R. Valadas, A. Pacheco, P. Salvador, Cluster Analysis of Internet Users Based on Hourly Traffic Utilization, International Working Conf. on Performance Modeling and Evaluation of Heterogeneuous Networks - HET-NETs, Ilkley, West Yorkshire, United Kingdom, Vol. 1, pp. 37/1 - 37/13, July, 2003 | BibTex
L. Gouveia, P. Patrício, A. F. Sousa, R. Valadas, MPLS over WDM Network Design with Packet Level QoS Constraints based on ILP Models, IEEE INFOCOM, San Francisco, United States, Vol. 1, pp. 576 - 586, April, 2003 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, Modeling Network Traffic with Multifractal Behavior, International Conf. on Telecommunications - ICT, Papeete, French Polynesia, Vol. II, pp. 1071 - 1077, February, 2003 | BibTex
S. Sargento, R. Valadas, Tradeoffs between Signaling and Resource Utilization in DiffServ Networks with Hierarchical Aggregation, Joint International Workshops on Interactive Distributed Multimedia Systems and Protocols for Multimedia Systems - IDMS/PROMS., Coimbra, Portugal, Vol. 1, pp. 1 - 1, November, 2002 | BibTex
P. Salvador, A. N. Nogueira, R. Valadas, Modeling Multifractal Traffic with Stochastic L-Systems, IEEE Global Communications Conference - GLOBECOM, Taipei, Taiwan, Vol. Cdrom, pp. Cdrom - Cdrom, November, 2002 | BibTex
S. Sargento, R. Valadas, Performance of Hierarchical Aggregation in Differentiated Services Networks, International Conf. on Telecommunication Systems, Modeling and Analysis - ICTSM, Monterey, United States, Vol. 1, pp. 1 - 1, October, 2002 | BibTex
P. Salvador, R. Valadas, A. Pacheco, Multiscale Fitting Procedure for Markov Modulated Poisson Processes, International Conf. on Telecommunication Systems, Modeling and Analysis - ICTSM, Monterey, United States, Vol. 1, pp. 304 - 318, October, 2002 | BibTex
P. Salvador, A. N. Nogueira, R. Valadas, Modeling Multifractal IP Traffic: Characterization of Packet Arrivals and Packet Sizes using Stochastic L-Systems, International Conf. on Telecommunication Systems, Modeling and Analysis - ICTSM, Monterey, United States, Vol. 2, pp. 577 - 587, October, 2002 | BibTex
R. Salgado, R. Valadas, S. Sargento, R. Cadime, J. Gonçalves, A Demonstrator of an IP-based Access Network for Broadband Multimedia Services, International Conf. on Telecommunication Systems, Modeling and Analysis - ICTSM, California, United States, Vol. N/A, pp. N/A - N/A, October, 2002 | BibTex
L. Cardoso, J. Patrão, A. F. Sousa, R. Valadas, Combining Node and Link Dimensioning for MPLS Networks, International Telecommunication Network Strategy and Planning Symp. - Networks, Munich, Germany, Vol. 1, pp. 1 - 1, June, 2002 | BibTex
S. Sargento, R. Salgado, M. Carmo, V. Marques, R. Valadas, An Experimental Study of Probing-Based Admission Control for DiffServ Architectures, IFIP TC6 Networking Conf., Pisa, Italy, Vol. 1, pp. 1 - 1, May, 2002 | BibTex
S. Sargento, R. Valadas, E. Knightly, Resource Stealing in Endpoint Controlled Multi-class Networks, International Workshop on Digital Communications, Taormina, Italy, Vol. 1, pp. 1 - 1, September, 2001 | BibTex
R. Aguiar, A. Tavares, L. Alves, R. Valadas, D. Santos, A Test Bed for Wireless Optical LANs, IEEE Conf. on Electronics, Circuits and System, Malta, Malta, Vol. 1, pp. 1 - 1, September, 2001 | BibTex
C. B. Lopes, A. F. Sousa, R. Valadas, Heuristics for dimensioning large-scale MPLS networks, SPIE – Internet Performance and Control of Network Systems, Denver, Colorado, United States, Vol. 4523, pp. 27 - 34, August, 2001 | BibTex
S. Sargento, R. Valadas, J. Gonçalves, IP Access Networks with QoS Support, SPIE – Technologies, Protocols, and Services for Next-Generation Internet, Denver, United States, Vol. 1, pp. 1 - 1, August, 2001 | BibTex
P. Salvador, R. Valadas, A Framework based on Markov Modulated Poisson Processes for Modeling Traffic with Long-Range Dependence, SPIE – Internet Performance and Control of Network Systems, Denver, United States, Vol. 4523, pp. 221 - 232, August, 2001 | BibTex
L. Cardoso, J. Patrão, C. B. Lopes, A. F. Sousa, R. Valadas, PTPlan MPLS: A Tool for MPLS Network Dimensioning, IEEE - International Symp. on Modeling, Analysis and Simulation of Computer and Telecommunication Systems, Cincinati, Ohio, United States, Vol. 1, pp. 1 - 1, August, 2001 | BibTex
A. N. Nogueira, R. Valadas, Analysing the relevant time scales in a network of queues, SPIE – Internet Performance and Control of Network Systems, Denver, United States, Vol. 4523, pp. 243 - 252, July, 2001 | BibTex
P. Salvador, R. Valadas, Modelling A Fitting Procedure for Markov Modulated Poisson Processes with an Adaptive Number of States, IFIP Working Conf. on Performance Modelling and Evaluation of ATM &IP Networks, Budapest, Hungary, Vol. 1, pp. 62 - 73, June, 2001 | BibTex
A. Tavares, R. Aguiar, R. Valadas, D. Santos, Advanced Technologies for Infrared Wireless Indoor Local Area Networks, International Conf. on Telecommunications - ICT, Figueira da Foz, Portugal, Vol. 1, pp. 68 - 72, April, 2001 | BibTex
S. Sargento, R. Valadas, E. Knightly, Call Admission Control in IP networks with QoS support, Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. 1, pp. 1 - 1, April, 2001 | BibTex
L. Cardoso, J. Patrão, C. B. Lopes, A. F. Sousa, R. Valadas, A Tool for MPLS Traffic Engineering, Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. 1, pp. 10 - 14, April, 2001 | BibTex
P. Salvador, A. N. Nogueira, R. Valadas, Modelling Local Area Network Traffic with Markovian Traffic Models, Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, March, 2001 | BibTex
A. F. Sousa, R. Valadas, L. Gouveia, Dimensioning ATM Networks using 2-Layer Hierarchical Virtual Path Layouts, International Conf. on Telecommunication Systems, Modeling and Analysis - ICTSM, Dallas, Texas, United States, Vol. 1, pp. 496 - 505, March, 2001 | BibTex
L. Cardoso, C. B. Lopes, A. F. Sousa, R. Valadas, A Tool for Multi-Hour ATM Network Design considering Mixed Peer-to-Peer and Client-Server based Services, International Telecommunication Network Strategy and Planning Symp. - Networks, Toronto, Canada, Vol. 1, pp. 1 - 1, September, 2000 | BibTex
A. N. Nogueira, R. Valadas, Analysing the Versatility of the 2-MMPP Traffic Model, International Symp. on Communication Systems and Digital Signal Processing, Bornemouth, United Kingdom, Vol. 1, pp. 261 - 266, July, 2000 | BibTex
A. N. Nogueira, P. Salvador, R. Valadas, Fitting Algorithms for ATM Traffic Models, Broadband Access Conf., Cracow, Poland, Vol. 1, pp. 167 - 174, October, 1999 | BibTex
S. Sargento, R. Valadas, A. F. Sousa, Dimensioning Methodologies for the BBL (BroadbandLoop) and FSAN (Full Services Access Networks) Access Networks, Broadband Access Conf., Krakow, Poland, Vol. 1, pp. 1 - 1, October, 1999 | BibTex
S. Sargento, R. Valadas, A. F. Sousa, Dimensioning Methodologies for the BroadbandLoop Access Network, European Conf. on Networks and Optical Communications - NOC, Delft, Netherlands, Vol. 1, pp. 1 - 1, June, 1999 | BibTex
R. Aguiar, A. Tavares, J. Cura, E. Vasconcelos, L. Alves, R. Valadas, D. Santos, Considerations on the design of transceivers for wireless optical LANs, IEE Colloquium on Optical Wireless Communications, London, United Kingdom, Vol. 2, pp. 1 - 17, June, 1999 | BibTex
A. F. Sousa, R. Valadas, L. Cardoso, A. M. O. D. Duarte, ATM Network Dimensioning for Mixed Symmetrical and Asymmetrical Services with Dynamic Reconfiguration in a Multi-Network Provider Environment, IFIP - Workshop on Traffic Management and Design of ATM Networks, London, United Kingdom, Vol. 1, pp. 5/1 - 5/15, April, 1999 | BibTex
R. Aguiar, R. Valadas, A. Moreira, C. Lomba, A. Tavares, A. F. Sousa, A. M. O. D. Duarte, Contribuições da Universidade de Aveiro para a Especificação da Rede de Área Local Não-Cablada IEEE 802.11, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. 1, pp. 65 - 70, April, 1997 | BibTex

Projects

Closed Projects13

Acronym	Name	Funding Agency	Start date	Ending date
Bots	PTDC/EEA-TEL/101880/2008 - Design and Implementation of a BotNet Detection System	FCT/PTDC	01-03-2010	01-09-2012
DARTEG	Deteção de Ataques de Redirecionamento de Tráfego a uma Escala Global	FCT/PTDC	01-05-2016	31-12-2018
DMeSTrES	Distributed Measurement System with Traffic Engineering Support	IT/LA	01-06-2005	31-05-2007
DP-PMI	Doctoral Programme in the Physics and Mathematics of Information: Foundations of Future Information Technologies (DP-PMI)	FCT	01-01-2014	01-12-2021
Euro-NGI	Design and Engineering of the Next Generation Internet, Towards Convergent Multi-Service Networks	EU/FP6	01-12-2003	30-11-2006
MaLPIS	Machine Learning based Profiling for Internet Security	FCT/PTDC	01-10-2018	30-09-2021
MULTIDIM	Dimensioning Multi-Service and Multi-Layer Networks: Optimization Models	FCT/POSI	01-01-2002	31-12-2004
QuNet	QuNet - Quantum Telecommunication Networks	IT	01-11-2016	01-10-2018
SCALE	Statistical Characterization of Telecommunications Traffic	FCT/POSI	01-01-2001	31-07-2001
SCALE II	Trafic Modelling and Performance Evaluation of Multiservice Networks	FCT/POSI	01-02-2002	31-01-2005
SCALE III	Internet Traffic Measurements, Modelling and Statistical Analysis	FCT/POSC	01-01-2005	31-12-2006
Sureté	Security in TCP/IP Networks	PT Inovação	01-06-2002	31-05-2003
TELEMAT	Traffic Engineering for DiffServ/MPLS Networks	PT Inovação	01-04-2001	31-03-2002

Related UN SDG

Activities from this researcher fall under the following United Nations Strategic Development Goals (SDGs):