Office: I.E. 345 +36 (1) 463-3443 E-mail: gulyas_at_tmit_dot_bme_dot_hu CV: download pdf [shorter version]

Current Research Future Internet Routing and Addressing Complex Networks Software Defined Networking Data Centers Awards Technical Program Committee Member ICC 2014 NetSciCom 2014 Journal Review Physica A Computer Communications Scientific Membership ACM Special Interest Group on Data Communication (ACM SIGCOMM) Institute of Electrical and Electronics Engineers (IEEE) Scientific Association for Infocommunications Hungary (HTE)

Publications

2017

• A. Csoma, A. Kőrösi, G. Rétvári, Z. Heszberger, J. Bíró, M. Slíz, A. Avena-Koenigsberger, A. Griffa, P. Hagmann, and A. Gulyás, “Routes Obey Hierarchy in Complex Networks,” Nature Scientific Reports, vol. 7, 2017. impact factor 4.26
  [Bibtex]

  @article{csoma2017routes,
  title={Routes Obey Hierarchy in Complex Networks},
  author={Csoma, Attila and K{\H{o}}r{\"o}si, Attila and R{\'e}tv{\'a}ri, G{\'a}bor and Heszberger, Zal{\'a}n and B{\'i}r{\'o}, J{\'o}zsef and Sl{\'i}z, Mariann and Avena-Koenigsberger, Andrea and Griffa, Alessandra and Hagmann, Patric and Guly{\'a}s, Andr{\'a}s},
  journal={Nature Scientific Reports},
  volume={7},
  year={2017},
  keywords = {complex networks},
  comment = {impact factor 4.26}
  }

• Máté. Csigi, A. Kőrösi, J. Bíró, Z. Heszberger, Y. Malkov, and A. Gulyás, “Geometric explanation of the rich-club phenomenon in complex networks,” Nature Scientific Reports, vol. 7, 2017. impact factor 4.26
  [Bibtex]

  @article{csigi2017geometric,
  title={Geometric explanation of the rich-club phenomenon in complex networks},
  author={Csigi, M\'at\'e and K{\H{o}}r{\"o}si, Attila and B{\'i}r{\'o}, J{\'o}zsef and Heszberger, Zal{\'a}n and Malkov, Yury and Guly{\'a}s, Andr{\'a}s},
  journal={Nature Scientific Reports},
  volume={7},
  year={2017},
  keywords = {complex networks},
  comment = {impact factor 4.26}
  }

2015

• I. Pelle, T. Lévai, F. Németh, and A. Gulyás, “One tool to rule them all: a modular troubleshooting framework for SDN (and other) networks,” in Proc. ACM SIGCOMM Symposium on Software Defined Networking Research (SOSR), 2015, p. 24.
  [Bibtex]

  @inproceedings{pelle2015one,
  title={One tool to rule them all: a modular troubleshooting framework for SDN (and other) networks},
  author={Pelle, Istv{\'a}n and L{\'e}vai, Tam{\'a}s and N{\'e}meth, Felici{\'a}n and Guly{\'a}s, Andr{\'a}s},
  booktitle={Proc. ACM SIGCOMM Symposium on Software Defined Networking Research (SOSR)},
  pages={24},
  year={2015},
  organization={ACM},
  keywords = {top and Software Defined Networking and troubleshooting}
  }

• M. Csernai, F. Ciucu, R-P. Braun, and A. Gulyás, “Towards 48-Fold Cabling Complexity Reduction in Large Flattened Butterfly Networks,” in IEEE INFOCOM, 2015.
  [Bibtex]

  @INPROCEEDINGS{csernai2015towards,
  title={Towards 48-Fold Cabling Complexity Reduction in Large Flattened Butterfly Networks},
  author={Csernai, M and Ciucu, Florin and Braun, R-P and Guly{\'a}s, A},
  booktitle = {IEEE INFOCOM},
  year = {2015},
  keywords = {top and data center}
  }

• A. Gulyás, J. Bíró, A. Kőrösi, G. Rétvári, and D. Krioukov, “Navigable networks as Nash equilibria of navigation games,” Nature communications, vol. 6, 2015.
  [Bibtex]

  @article{gulyas2015navigable,
  title={Navigable networks as Nash equilibria of navigation games},
  author={Guly{\'a}s, Andr{\'a}s and J. B\'ir\'o and K{\H{o}}r{\"o}si, Attila and R{\'e}tv{\'a}ri, G{\'a}bor and Krioukov, Dmitri},
  journal={Nature communications},
  volume={6},
  year={2015},
  publisher={Nature Publishing Group},
  keywords = {top and complex networks}
  }

• D. Szabó, F. Németh, B. Sonkoly, A. Gulyás, and F. H. P. Fitzek, “Towards the 5G Revolution: A Software Defined Network Architecture Exploiting Network Coding as a Service,” in ACM SIGCOMM (DEMO), 2015.
  [Bibtex]

  @INPROCEEDINGS{szabo2015sigcomm,
  author = {Szab{\'o}, D{\'a}vid and N{\'e}meth, Felici{\'a}n and
  Sonkoly, Bal{\'a}zs and Guly{\'a}s, Andr{\'a}s and
  Fitzek, Frank H.P.},
  title = {Towards the 5G Revolution: A Software Defined Network
  Architecture Exploiting Network Coding as a Service},
  booktitle = {ACM SIGCOMM (DEMO)},
  year = {2015},
  keywords = {Software Defined Networking and network coding and demo}
  }

• T. Lévai, I. Pelle, F. Németh, and A. Gulyás, “EPOXIDE: A Modular Prototype for SDN Troubleshooting,” in ACM SIGCOMM (DEMO), 2015.
  [Bibtex]

  @INPROCEEDINGS{levai2015sigcomm,
  author = {L{\'e}vai, Tam{\'a}s and Pelle, Istv{\'a}n and N{\'e}meth,
  Felici{\'a}n and Guly{\'a}s, Andr{\'a}s},
  title = {EPOXIDE: A Modular Prototype for SDN Troubleshooting},
  booktitle = {ACM SIGCOMM (DEMO)},
  year = {2015},
  keywords = {Software Defined Networking and troubleshooting and demo}
  }

• J. Tapolcai, J. Bíró, P. Babarczi, A. Gulyás, Z. Heszberger, and D. Trossen, “Optimal False-Positive-Free Bloom Filter Design for Scalable Multicast Forwarding,” IEEE/ACM Transactions on Networking, vol. 23, iss. 6, pp. 1832-1845, 2015. impact factor 1.986
  [Bibtex]

  @ARTICLE{tapolcai2014bloom_ton,
  author = {J. Tapolcai and J. B\'ir\'o and P. Babarczi and A. Guly\'as and Z. Heszberger and D. Trossen},
  title = {Optimal False-Positive-Free Bloom Filter Design for Scalable Multicast
  Forwarding},
  journal = {IEEE/ACM Transactions on Networking},
  volume={23},
  number={6},
  pages={1832--1845},
  year={2015},
  comment = {impact factor 1.986},
  doi = {10.1109/TNET.2014.2342155},
  issn = {1063-6692},
  keywords = {multicast addressing and future internet architectures and top}
  }

• A. Gulyás, G. Rétvári, Z. Heszberger, and R. Agarwal, “On the scalability of routing with policies,” IEEE/ACM Transactions on Networking, vol. 23, iss. 5, pp. 1610-1618, 2015.
  [Bibtex]

  @ARTICLE{gulyas2014scalability,
  author = {Guly{\'a}s, Andr{\'a}s and R{\'e}tv{\'a}ri, G{\'a}bor and Heszberger, Zal{\'a}n and Agarwal, Rachit},
  title = {On the scalability of routing with policies},
  journal = {IEEE/ACM Transactions on Networking},
  year = {2015},
  volume = {23},
  pages = {1610--1618},
  number = {5},
  doi = {10.1109/TNET.2014.2345839},
  issn = {1063-6692},
  keywords = {compact routing and top},
  publisher = {IEEE}
  }

• A. Csoma, L. Toka, and A. Gulyás, “On Lower Estimating Internet Queuing Delay,” in Proc. International Conference on Telecommunications and Signal Processing (TSP), Prague, Czech Republic, 2015.
  [Bibtex]

  @INPROCEEDINGS{csoma2015tsp,
  author = {Attila Csoma and L\'aszl\'o Toka and Andr\'as Guly\'as},
  title = {On Lower Estimating Internet Queuing Delay},
  booktitle = {Proc. International Conference on Telecommunications and Signal Processing (TSP)},
  year = {2015},
  address = {Prague, Czech Republic},
  keywords = {network, delay}
  }

2014

• G. Rétvári, D. Szabó, A. Gulyás, A. Kőrösi, and J. Tapolcai, “An Information-Theoretic Approach to Routing Scalability,” in ACM HotNets, 2014, p. 2:1–2:7.
  [Bibtex]

  @inproceedings{retvari2014information,
  author = {R{\'e}tv\'{a}ri, G\'{a}bor and Szab\'{o}, D\'{a}vid and Guly\'{a}s, Andr\'{a}s and K\H{o}r\"{o}si, Attila and Tapolcai, J\'{a}nos},
  title = {An Information-Theoretic Approach to Routing Scalability},
  booktitle = {ACM HotNets},
  year = {2014},
  location = {Los Angeles, CA, USA},
  pages = {2:1--2:7},
  articleno = {2},
  numpages = {7},
  url = {http://doi.acm.org/10.1145/2670518.2673863},
  doi = {10.1145/2670518.2673863},
  acmid = {2673863},
  keywords = {IP FIB Compression and top and Internet scalability and entropy and forwarding table and hop-by-hop routing}
  }

• M. Csernai, F. Ciucu, R. Braun, and A. Gulyás, “Reducing Cabling Complexity in Large Flattened Butterfly Networks by an Order of Magnitude,” in Optical Fiber Communication Conference, 2014, p. Th2A–56.
  [Bibtex]

  @INPROCEEDINGS{csernai2014reducing,
  author = {Csernai, M\'arton and Ciucu, Florin and Braun, Ralf-Peter and Guly\'as, Andr\'as},
  title = {Reducing Cabling Complexity in Large Flattened Butterfly Networks
  by an Order of Magnitude},
  booktitle = {Optical Fiber Communication Conference},
  year = {2014},
  pages = {Th2A--56},
  organization = {Optical Society of America},
  keywords = {data center and top}
  }

• A. Csoma, B. Sonkoly, L. Csikor, F. Németh, A. Gulyás, W. Tavernier, and S. Sahhaf, “ESCAPE: Extensible Service Chain Prototyping Environment Using Mininet, Click, NETCONF and POX,” in ACM SIGCOMM (DEMO), Chicago, Illinois, USA, 2014, pp. 125-126.
  [Bibtex]

  @INPROCEEDINGS{csoma2014escape,
  author = {Csoma, Attila and Sonkoly, Bal\'azs and Csikor, Levente and N\'emeth, Felici\'an and Guly\'as, Andr\'as and Tavernier, Wouter and Sahhaf, Sahel},
  title = {ESCAPE: Extensible Service Chain Prototyping Environment Using Mininet,
  Click, NETCONF and POX},
  booktitle = {ACM SIGCOMM (DEMO)},
  year = {2014},
  pages = {125--126},
  address = {Chicago, Illinois, USA},
  publisher = {ACM},
  acmid = {2631448},
  doi = {10.1145/2619239.2631448},
  isbn = {978-1-4503-2836-4},
  keywords = {Software Defined Networking and NETCONF and click and mininet and prototyping and service chain and demo},
  numpages = {2},
  url = {http://doi.acm.org/10.1145/2619239.2631448}
  }

• A. Csoma, B. Sonkoly, L. Csikor, F. Németh, A. Gulyás, D. Jocha, J. Elek, W. Tavernier, and S. Sahhaf, “Multi-layered Service Orchestration in a Multi-Domain Network Environment,” in EWSDN (DEMO), Budapest, Hungary, 2014.
  [Bibtex]

  @INPROCEEDINGS{ewsdn2014,
  author = {Attila Csoma and Bal\'azs Sonkoly and Levente Csikor and Felici\'an N\'emeth and Andr\'as Guly\'as and Da\'vid Jocha and Ja\'nos Elek and Wouter Tavernier and Sahel Sahhaf},
  title = {Multi-layered Service Orchestration in a Multi-Domain Network Environment},
  booktitle = {EWSDN (DEMO)},
  year = {2014},
  address = {Budapest, Hungary},
  month = sep,
  keywords = {Software Defined Networking and demo}
  }

• B. Sonkoly, F. Németh, L. Csikor, L. Gulyás, and A. Gulyás, “SDN based testbeds for evaluating and promoting multipath TCP,” in Proc. IEEE International Conference on Communications (ICC), 2014, pp. 3044-3050.
  [Bibtex]

  @INPROCEEDINGS{sonkoly2014sdn,
  author = {Sonkoly, Bal\'azs and N\'emeth, Felici\'an and Csikor, Levente and Guly\'as, L\'aszl\'o and Guly\'as, Andr\'as},
  title = {SDN based testbeds for evaluating and promoting multipath TCP},
  booktitle = {Proc. IEEE International Conference on Communications (ICC)},
  year = {2014},
  pages = {3044--3050},
  organization = {IEEE},
  keywords = {Software Defined Networking}
  }

2013

• M. Csernai, A. Gulyás, A. Kőrösi, B. Sonkoly, and G. Biczók, “Incrementally upgradable data center architecture using hyperbolic tessellations,” Computer Networks, vol. 57, iss. 6, pp. 1373-1393, 2013.
  [Bibtex]

  @ARTICLE{csernai2013incrementally,
  author = {Csernai, M\'arton and Guly\'as, Andr\'as and K{\H{o}}r{\"o}si, Attila and Sonkoly, Bal\'azs and Bicz\'ok, Gergely},
  title = {Incrementally upgradable data center architecture using hyperbolic
  tessellations},
  journal = {Computer Networks},
  year = {2013},
  volume = {57},
  pages = {1373--1393},
  number = {6},
  keywords = {data center},
  publisher = {Elsevier}
  }

• L. Gyarmati, A. Gulyás, B. Sonkoly, T. A. Trinh, and G. Biczók, “Free-scaling your data center,” Computer Networks, vol. 57, iss. 8, pp. 1758-1773, 2013.
  [Bibtex]

  @ARTICLE{gyarmati2013free,
  author = {Gyarmati, L\'aszl\'o and Guly\'as, Andr\'as and Sonkoly, Bal\'azs and Trinh, Tuan A and Bicz\'ok, Gergely},
  title = {Free-scaling your data center},
  journal = {Computer Networks},
  year = {2013},
  volume = {57},
  pages = {1758--1773},
  number = {8},
  keywords = {data center},
  publisher = {Elsevier}
  }

• F. Németh, B. Sonkoly, L. Csikor, and A. Gulyás, “A Large-Scale Multipath Playground for Experimenters and Early Adopters,” in ACM SIGCOMM (DEMO), Hong Kong, China, 2013, pp. 482-483.
  [Bibtex]

  @INPROCEEDINGS{nemethf_multipath_playground2013,
  author = {Felici\'an N\'emeth and Bal\'azs Sonkoly and Levente Csikor and Andr\'as Guly\'as},
  title = {A Large-Scale Multipath Playground for Experimenters and Early Adopters},
  booktitle = {ACM SIGCOMM (DEMO)},
  year = {2013},
  pages = {482-483},
  address = {Hong Kong, China},
  month = aug,
  keywords = {Software Defined Networking and demo}
  }

• F. Németh, B. Sonkoly, L. Csikor, and A. Gulyás, “Improving resiliency and throughput of transport networks with OpenFlow and Multipath TCP: Demonstration of results over the Géant OpenFlow testbed (Demonstration of results over the Géant OpenFlow testbed),” in Open Networking Summit (DEMO), Santa Clara, USA, 2013.
  [Bibtex]

  @INPROCEEDINGS{nemethf_ons2013,
  author = {Felici\'an N\'emeth and Bal\'azs Sonkoly and Levente Csikor and Andr\'as Guly\'as},
  title = {Improving resiliency and throughput of transport networks with OpenFlow
  and Multipath TCP: Demonstration of results over the Géant OpenFlow
  testbed (Demonstration of results over the Géant OpenFlow testbed)},
  booktitle = {Open Networking Summit (DEMO)},
  year = {2013},
  address = {Santa Clara, USA},
  month = apr,
  keywords = {Software Defined Networking and demo}
  }

• G. Rétvári, A. Gulyás, Z. Heszberger, M. Csernai, and J. J. Bíró, “Compact policy routing,” Distributed computing, vol. 26, iss. 5-6, pp. 309-320, 2013.
  [Bibtex]

  @ARTICLE{retvari2013compact,
  author = {R\'etv\'ari, G\'abor and Guly\'as, Andr\'as and Heszberger, Zal\'an and Csernai, M\'arton and B{\'i}r\'o, J\'ozsef J},
  title = {Compact policy routing},
  journal = {Distributed computing},
  year = {2013},
  volume = {26},
  pages = {309--320},
  number = {5-6},
  keywords = {compact routing},
  publisher = {Springer Berlin Heidelberg}
  }

• D. Szabó and A. Gulyás, “Notes on the Topological Consequences of BGP Policy Routing on the Internet AS Topology,” in Advances in Communication Networking, Springer Berlin Heidelberg, 2013, pp. 274-281.
  [Bibtex]

  @INCOLLECTION{szabo2013notes,
  author = {Szab\'o, D\'avid and Guly\'as, Andr\'as},
  title = {Notes on the Topological Consequences of BGP Policy Routing on the
  Internet AS Topology},
  booktitle = {Advances in Communication Networking},
  publisher = {Springer Berlin Heidelberg},
  year = {2013},
  pages = {274--281},
  keywords = {complex networks}
  }

• A. Telcs, M. Csernai, and A. Gulyás, “Load balanced diffusive capture process on homophilic scale-free networks,” Physica A: Statistical Mechanics and its Applications, vol. 392, iss. 3, pp. 510-519, 2013.
  [Bibtex]

  @ARTICLE{telcs2013load,
  author = {Telcs, Andr\'as and Csernai, M\'arton and Guly\'as, Andr\'as},
  title = {Load balanced diffusive capture process on homophilic scale-free
  networks},
  journal = {Physica A: Statistical Mechanics and its Applications},
  year = {2013},
  volume = {392},
  pages = {510--519},
  number = {3},
  keywords = {complex networks and top},
  publisher = {North-Holland}
  }

2012

• A. Gulyás, A. Kőrösi, B. Sonkoly, G. Biczók, and others, “Poincare: a hyperbolic data center architecture,” in International Conference on Distributed Computing Systems Workshops (ICDCSW), 2012, pp. 8-16.
  [Bibtex]

  @INPROCEEDINGS{guly2012poincare,
  author = {Andr\'as Guly\'as and Attila K\H{o}r{\"o}si and Bal\'azs Sonkoly and Gergely Bicz\'ok and others},
  title = {Poincare: a hyperbolic data center architecture},
  booktitle = {International Conference on Distributed Computing Systems Workshops
  (ICDCSW)},
  year = {2012},
  pages = {8--16},
  organization = {IEEE},
  keywords = {data center}
  }

• A. Gulyás, A. Kőrösi, G. Rétvári, J. Bíró, and D. Szabó, “Brief announcement: network formation games can give rise to realistic networks,” in Proc. ACM symposium on Principles of Distributed Computing (PODC), brief announcement, 2012, pp. 329-330.
  [Bibtex]

  @INPROCEEDINGS{gulyas2012brief,
  author = {Guly\'as, Andr\'as and K{\H{o}}r{\"o}si, Attila and R\'etv\'ari, G\'abor and B\'ir\'o, J\'ozsef and Szab\'o, D\'avid},
  title = {Brief announcement: network formation games can give rise to realistic
  networks},
  booktitle = {Proc. ACM symposium on Principles of Distributed
  Computing (PODC), brief announcement},
  year = {2012},
  pages = {329--330},
  organization = {ACM},
  keywords = {complex networks and top}
  }

• F. Németh, Ádám. Stipkovits, B. Sonkoly, and A. Gulyás, “Towards smartflow: case studies on enhanced programmable forwarding in openflow switches,” in ACM SIGCOMM (DEMO), 2012, pp. 85-86.
  [Bibtex]

  @INPROCEEDINGS{nemeth2012towards,
  author = {N\'emeth, Felici\'an and Stipkovits, \'Ad\'am and Sonkoly, Bal\'azs and Guly\'as, Andr\'as},
  title = {Towards smartflow: case studies on enhanced programmable forwarding
  in openflow switches},
  booktitle = {ACM SIGCOMM (DEMO)},
  year = {2012},
  volume = {42},
  pages = {85--86},
  keywords = {Software Defined Networking and demo}
  }

• J. Tapolcai, A. Gulyás, Z. Heszberger, J. Bíró, P. Babarczi, and D. Trossen, “Stateless Multi-Stage Dissemination of Information: Source Routing Revisited,” in Proc. IEEE Global Communications Conference (GLOBECOM) – Next Generation Networking and Internet Symposium, 2012, pp. 2797-2802.
  [Bibtex]

  @INPROCEEDINGS{tapolcai2012bloom,
  author = {J. Tapolcai and A. Guly\'as and Z. Heszberger and J. B\'ir\'o and P. Babarczi and D. Trossen},
  title = {Stateless Multi-Stage Dissemination of Information: Source Routing
  Revisited},
  booktitle = {Proc. IEEE Global Communications Conference (GLOBECOM) - Next Generation
  Networking and Internet Symposium},
  year = {2012},
  pages = {2797-2802},
  month = {Dec},
  doi = {10.1109/GLOCOM.2012.6503540},
  issn = {1930-529X},
  keywords = {multicast addressing and future internet architectures}
  }

2011

• G. Biczók, L. Toka, A. Gulyás, T. A. Trinh, and A. Vidács, “Incentivizing the global wireless village,” Computer Networks, vol. 55, iss. 2, pp. 439-456, 2011.
  [Bibtex]

  @ARTICLE{biczok2011incentivizing,
  author = {Bicz\'ok, Gergely and Toka, L\'aszl\'o and Guly\'as, Andr\'as and Trinh, Tuan A and Vid\'acs, Attila},
  title = {Incentivizing the global wireless village},
  journal = {Computer Networks},
  year = {2011},
  volume = {55},
  pages = {439--456},
  number = {2},
  keywords = {Economics of Networked Systems},
  publisher = {Elsevier}
  }

• Z. Heszberger, J. Tapolcai, A. Gulyás, J. Bíró, A. Zahemszky, and P. Ho, “Adaptive Bloom Filters for Multicast Addressing,” in Proc. IEEE Infocom Workshop, High-Speed Networks (HSN), Shanghai, P.R. China, 2011, pp. 174-179.
  [Bibtex]

  @INPROCEEDINGS{heszi2011abloom,
  author = {Z. Heszberger and J. Tapolcai and A. Guly\'as and J. B\'ir\'o and A. Zahemszky and Pin-Han Ho},
  title = {Adaptive Bloom Filters for Multicast Addressing},
  booktitle = {Proc. IEEE Infocom Workshop, High-Speed Networks (HSN)},
  year = {2011},
  pages = {174-179},
  address = {Shanghai, P.R. China},
  month = {4},
  days = {10},
  keywords = {multicast addressing and future internet architectures}
  }

2008

• J. Fernández-Palacios, R. Duque, J. Aracil, R. Gruenzinger, T. Cinkler, P. Soproni, M. Perényi, J. Tapolcai, P. Fodor, A. Gulyás, and J. A. Hernández, “Network Resilience Requirements and Algorithms for Multicasting and Broadcasting Digital TV,” in Proc. International Telecommunication Network Planning Symposium (NETWORKS), Budapest, Hungary, 2008.
  [Bibtex]

  @INPROCEEDINGS{fernandez08qor,
  author = {J. Fern\'andez-Palacios and R. Duque and J. Aracil and R. Gruenzinger and T. Cinkler and P. Soproni and M. Per\'enyi and J. Tapolcai and P. Fodor and A. Guly\'as and J. A. Hern\'andez},
  title = {Network Resilience Requirements and Algorithms for Multicasting and
  Broadcasting Digital TV},
  booktitle = {Proc. International Telecommunication Network Planning Symposium
  (NETWORKS)},
  year = {2008},
  address = {Budapest, Hungary},
  keywords = {Quality of Resilience}
  }