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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!

Announcements

  • (1/Sep/2016) A H2020 research project lead by the Navigators group has started. The project is called: DiSIEM - Diversity enhancements for SIEMs
  • (1/July/2016) We have initiated a new FCT research project. The project is called: IRCoC - Intelligent Resilience for Cloud-of-Clouds Services
  • (1/Jan/2016) We have started a collaboration project with colleagues from Brasil, which is supported by CAPES-FCT. The project is called: Resilient Supervision and Control in Smart Grids


Latest publications

  • Alysson Bessani, Nuno Ferreira Neves, Paulo Verissimo, Wagner Saback Dantas, Alexandre Fonseca, Rui Silva, Pedro Luz, Miguel Correia, “JITeR: Just-In-Time Application-Layer Routing”, Computer Networks, vol. 104, pp. 122–136, Jul. 2016.

Events

[1] What: NavTalk, When: Thursday, 2016-Dec-02, 12pm-2pm, Where: room C6.3.38

Pedro Costa presents Chrysaor: Fine-Grained, Fault-Tolerant Cloud-of-Clouds MapReduce

[2] What: NavTalk, When: Thursday, 2016-Nov-17, 12pm-2pm, Where: room C6.3.38

Vinicius Cogo presents Getting Started on LSH
Ricardo Mendes presents Janus: User-defined Cloud-backed Storage

[3] What: NavTalk, When: Thursday, 2016-Nov-03, 12pm-2pm, Where: room C6.3.38

Alysson Bessani presents Dependable Storage and Computing using Multiple Cloud Providers
Túlio Ribeiro presents Floodlight Tracing, Durable and Fault Tolerant


[4] What: NavTalk, When: Thursday, 2016-Oct-20, 12pm-2pm, Where: room C6.3.38

Fernando Ramos presents No more excuses: it’s time to secure BGP!
Miguel Garcia presents On the Origin of Diversity, by Means of Cluster Selection, or the Preservation of Favoured OSes in the Struggle for Dependability

[5] What: NavTalk, When: Thursday, 2016-Oct-06, 12pm-2pm, Where: room C6.3.38

Eric Vial presents Packet Manipulation Tools for Linux
Ricardo Fonseca presents Securing SDN-based monitoring - obstacles and learned insights


Past Navtalk Events
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