Grupo de Pesquisa em Redes de Computadores DCC/UFMG. José Marcos Silva Nogueira Workshop de Telecom Unicamp, Campinas, 2015

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1 Grupo de Pesquisa em Redes de Computadores DCC/UFMG José Marcos Silva Nogueira Workshop de Telecom Unicamp, Campinas, 2015

2 Universidade Federal de Minas Gerais - UFMG

3 Universidade Federal de Minas Founded in 1927 ~2,700 lecturers (~2,300 PhDs) Gerais - UFMG 20 Schools (Faculties) Agricultural; Applied Social; Biological; Engineering; Exact and Earth Sciences; Health; Humanities; and Linguistics, Letters and Arts Three Campi Belo Horizonte (2) and Montes Claros (1) Research, Development and Innovation (P,D&I) in 2010 Research groups: 804 National patents: 369 International patents: 108 Licensed technologies: 46

4 Belo Horizonte

5 The Computer Science Department DCC l Established in 1976 l Faculty: 65 l VisiUng researchers: 5 l AdministraUve staff: 30 l Technical staff: 38 l Teaching Assistants: 40 l Undergrad interns: 40 l Graduate students: 200 l Undergraduate students: 600 l Other undergraduates: 1,500

6 Graduate Program in Computer Science MSc (created in 1974): 137 students currently enrolled 973 MSc graduates PhD (created in 1990): 87 students currently enrolled 150 PhD graduates CAPES 7 Over dissertations and thesis produced

7 Awards Brazilian Academy of Sciences o 3 permanent members o 3 affiliated members (5-year term) National Scientific Merit Award o 3 awards CAPES National PhD Dissertation o Main awards for the past 5 consecutive years, including two first places

8 Spin- offs and Alumni Related Companies

9 The WINET laboratory Wireless Networks

10 WINET Wireless Networks Faculty: 5 professors PhD students: 6 Masters students: 8 Undergrads: 15 Web page: h`p://

11 Lead invesugator Prof. José Marcos S. Nogueira Full Professor PhD in Electrical Engineering (UNICAMP) CNPq scholar level 1C Main research interests Computer networks Network management WSN IoT Mobile compuung

12 Prof. Daniel F. Macedo Assistant Professor PhD in Computer Science (UPMC, France) CNPq scholar level 2 Main research interests Wireless communicauon Mobile networks Network management

13 Prof. Ítalo F. S. Cunha Assistant Professor PhD in Computer Science (UPMC, France) Main research interests RouUng Network topology mapping and performance monitoring Live streaming

14 Prof. Luiz Filipe M. Vieira Assistant Professor PhD in Computer Science (UCLA) CNPq scholar level 2 Main research interests Wireless Sensor Networks Underwater communicauon SDN

15 Prof. Marcos Augusto M. Vieira Assistant Professor PhD in Computer Science (USC) CNPq scholar level 2 Main research interests Wireless Sensor Networks Wireless Networks Sofware Defined Networking Sofware Defined Radio

16 Cooperações Internacionais Projeto Capes Cofecub no (MMAPS - Gerenciamento, Mobilidade, Arquitetura, Protocolos e Segurança na Internet do Futuro e das Coisas) UFMG - coordenação, UFPR e UFRGS) e (INRIA Nancy - coordenação, LIGM - Univ Paris Est e IRIT Toulouse). GAP- IFC Gerenciamento, Arquitetura e Protocolos na Internet do Futuro e das Coisas - Cooperação MulUlateral FAPs/INRIA/CNRS Apoio a Projetos de Pesquisa Cienlfica e Tecnológica - vigrnte. Projeto: WINDS: Systems for Mobile Cloud CompuUng - France: Laboratoire d'informauque de Paris VI (UMR 7606), Brazil: UFMG FAPEMIG CNRS INRIA Vigente. FUTEBOL?

17 Research interests in WINET

18 SDN for Wireless A new set of problems: User mobility Variable link quality Context awareness Widespread use (home networks, etc) No expert administrators: should just work RF coexistence with other networks

19 Ethanol: SDN for WiFi Extensions for the control of WiFi APs No changes on the user terminals Interfaces for mobility management, virtualizauon, host diagnosucs and informauon

20 Ethanol: implementauon Runs on PCs and APs using embedded Linux (OpenWRT) Future work Extensions for mesh networks Control protocols for network TroubleshooUng

21 Manageable SDR SDN today focuses on the network layer What if SDN controlled the MAC/PHY layers? What are the most suitable commands/ events/acuons to program the MAC/PHY layers?

22 Manageable SDR Ongoing work More computauonal power on the terminal More refined predicuon of channel quality MulU- protocol radios (e.g. WiFi+Bluetooth +ZigBee) Dynamic adaptauon of the MAC protocol (e.g. TDMA versus CSMA) Projeto exemplo: WIRELESS NETWORK RECONFIGURATION USING SIGNAL ESTIMATORS

23 Mobile networking Coopera'on: how to ensure that users donate their resources on opportunisuc/parucipatory networks? IncenUve mechanisms GamificaUon Projeto exemplo: Um Arcabouço de Decisão Mul'- Critérios para Descarga de Dados Oportunís'ca em Redes Móveis

24 Mobile networking Security: How to ensure that informauon coming from users is reliable? ReputaUon schemes User trust (social networking) How to verify that a distributed code is secure? Projeto exemplo: Redes Sociais Para Cer'ficação em Redes Veiculares Tolerantes a Interrupções

25 Mobile networking Management: is it possible to manage a mobile and opportunisuc network? Can we ensure QoS levels for criucal applicauons (e.g. collision avoidance) Monitoring without constant probing (e.g. Bundle- based management) Projeto exemplo: Gerenciamento de Redes Veiculares Tolerantes a Atrasos e Desconexões

26 Mobile networking Performance: IntegraUon of mobile devices and the cloud (offloading) Measurement and evaluauon of protocols Projeto exemplo: Building a Mobile ComputaUonal Offloading framework in Android

27 Sensor Networks HydroNode Monitoring of rivers Development of node and algorithms

28 Sensor Networks Morelit - Monitoração Remota de Linhas de Transmissão owing the collected data on a structure. Monitoring of transmission lines CooperaUon with industry components. Fig. 11. Prototype installed on a TL. Fig. 12. On-site testing of the first prototype.

29 Internet of Things Plaworms Users will mostly rely on Apps to control their Things IFTTT: commercial App- based IoT plarorm (example) Ongoing research InformaUon leakage among Apps Controlling access and avoiding conflicung configurauons among Apps

30 Next- generauon Internet Research Plaworms Infrastructure Business RouUng Traffic ConnecUvity, Performance 30

31 Next- generauon Internet Research Plaworms Infrastructure Limited ability to influence routing Business RouUng Duplicated effort and limited visibility Traffic ConnecUvity, Performance 31

32 PEERING Next- generauon Internet Research Plaworms n Give researchers infrastructure n Allow emulation of business relationships n Let researchers exchange routes with the real Internet Infrastructure Business SIBYL n Combine multiple measurement platforms n Maintain an up-to-date atlas n Allow complex queries PUROMALTE n Allow visibility from the edge n End-to-end performance monitoring n Custom monitoring and actuation solutions 32 RouUng ConnecUvity, Performance Traffic

33 WINET DCC UFMG The WINET (Wireless Networks) group is one of the research groups in networking of the Computer Science Department of Federal University of Minas Gerais. The WINET group parucipates in several research projects in the topic of wireless networks, developing new networking protocols as well as contribuung to network management and security services for wireless communicauon. The group has several ongoing nauonal and internauonal partnerships, and our researchers publish in the main symposia and journals of the area. 33

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