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We are the Navigators, a research team on distributed systems, their architectures, their algorithms, in their several skins: fault tolerance, real-time, security, and combinations thereof.

We also pursue the quest for the right balance between science and technology. Some people say that Informatics (a.k.a. computer science and engineering) belongs to a new breed, of what are called techno-sciences. We believe that techno-scientists should accompany theoretical mastery with a deep knowledge of their environment — computer technology — as well as astro-physicists know the sky, or marine biologists know the sea.

We study new theories to explain distributed systems, and new algorithms to take advantage from them. But we also like to do proof-of-concept experiments about the theory we work on. We try that our papers and theses tell a good story as clearly as possible. We work hard for our demonstrations to be convincing and captivating. Because we believe science is made for others.

Our greatest riches are our culture, and our researchers and students. If you believe in the former, you can become one of the latter. Welcome!


  • (1/Oct/2017) NavTalks seminars have started for a new year of discussions!

Latest publications

  • Pedro Maia, “Resilient Communications in Smart Grids”, Master’s thesis, Mestrado em Segurança Informática, Departamento de Informática, Faculdade de Ciências da Universidade de Lisboa, Sept. 2018.


[1] What: NavTalk, When: Tue 2017-Nov-22, 12pm, Where: room 6.3.38

Rui Miguel presents Named Data Networking with Programmable Switches
Alysson Bessani presents GINJA: One-dollar Cloud-based Disaster Recovery for Databases

[2] What: NavTalk, When: Tue 2017-Nov-22, 12pm, Where: room 6.3.38

Alysson Bessani presents Byzantine Fault-Tolerant Ordering Service for the Hyperledger Fabric Blockchain Platform
Wilson Melo presents How Blockchains can help Legal Metrology

[3] What: NavTalk, When: Tue 2017-Nov-8, 12pm, Where: room 6.3.38

Max Alaluna presents Secure Multi-Cloud Network Virtualization
Túlio Ribeiro presents Heimdall: a Distributed and Fault Tolerant Update Aware SDN Controller

Past Navtalk Events
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