RESEARCH INTERESTS

• Various Topics in Optical Communication Networks
• Routing and Optimization issues
• WDM and Elastic Optical Networks
• Virtual Topology Design/Reconfiguration in Backbone
• Survivability in WDM/Elastic Optical Networks
• Physical-impairment Aware Routing and Management
• Disaster-aware Networks
• Optical Access Networks, FTTx

PROJECTS

• May 2016 - March 2018: Tubitak 3001 (National project) 115E834
  "Dynamic Routing, Spectrum Assignment, and Traffic Grooming in Elastic Optical Networks"
  


• March 2016 - February 2020: Horizon 2020, COST Action CA15127
  "Resilient communication services protecting end-user applications from disaster-based failures (RECODIS)"
  Management Committee Member
  

PUBLICATIONS

Book Chapter

• C. Cavdar, S. Rai, A. Gencata, B. Ramamurthy, B. Mukherjee,
  Logical Topology Design and Optimisation,
  in Handbook of Graph Algorithms and Applications, Chapman & Hall, June 2011
  

• A. Gencata, N. Singhal, and B. Mukherjee,
  Overview of Optical Communication Networks: Current and Future Trends,
  in Handbook of Optical Communication, CRC Press ILLC, pp. 1-28, April 2003, Boca Raton.

Journals

• H. Cukurtepe, M. Tornatore, A. Yayimli, B. Mukherjee
  Impairment-aware dynamic lightpath provisioning in mixed-line-rate networks
  Elsevier Optical Switching and Networking, Vol.18, part.2, pp.191-200, November 2015.
  
  
• H. Çukurtepe, M. Tornatore, A. Yayimli, B. Mukherjee,
  Provisioning of dynamic traffic in mixed-line-rate optical networks with launch power determination
  Photonics Network Communications, Vol.27, No. 3, pp.154-166, June 2014.
  

• H. Çukurtepe, A. Yayımlı, B. Mukherjee,
  Impairment-aware lightpath provisioning using inverse multiplexing in mixed-line-rate networks
  Elsevier Optical Switching and Networking, Vol. 11, Part A, pp.44-52, Jan. 2014.
  
  

• F. Corut Ergin, E. Kaldırım, A. Yayımlı, A. Ş. Uyar,
  " Ensuring Resilience in Optical WDM Networks with Nature Inspired Heuristics"
    IEEE/OSA Journal of Optical Communications and Networking, Vol.2, No.8, pp.642-652, 2010.
  10.1364/JOCN.2.000642
  
  
• A. Gençata Yayımlı,
  "Selective Survivability with Disjoint Nodes and Disjoint Lightpaths for Layer 1 VPN"
  Elsevier Optical Switching and Networking, Vol. 6, No.1, pp.3-9,  Jan 2009.
  


• C. Cavdar, A. Gencata, B. Mukherjee,
  "CATZ: Time-zone-aware Bandwidth Allocation in Layer 1 VPNs"
  IEEE Communications Magazine, Vol.45 , No.4 , April 2007.


• A. Gencata and F. Buzluca,
  "Determining the Asynchronous Threshold Values of the Timed Token Medium Access Protocol"
  The Computer Journal, Vol.46, No.4, pp.421-426 , July 2003.


• A. Gencata and B. Mukherjee,
  "Virtual-Topology Adaptation for WDM Mesh Networks Under Dynamic Traffic,"
  IEEE/ACM Transactions on Networking, Vol.11, No.2, pp.236-247, April 2003.

Conferences

• A. Yayimli
  A Practical Layered Model for Flexible-grid Optical Networks to Reduce the Routing Complexity
  International Conference on Transparent Optical Networks, ICTON, Trento, Italy, July 10-14, 2016 (invited).
  
  
• 2. J. Olorunfemi Abe, H. A. Mantar, A. Yayimli
  k-Maximally Disjoint Path Routing Algorithms for SDN
  International Conference on Cyber-Enabled Distributed Computing and Knowledge Discovery (CyberC), 2015, Xi'an, China, Sept. 17-19, 2015.
  
  
• 3. H. Alizadeh, D. Gozupek, S. M. Buhari, A. Yayimli
  Minimizing Signaling Cost in Green Routing for Software Defined Networks
  IEEE ISCC, The 20th IEEE Symposium on Computers and Communications, Larnaca, Cyprus, July 6-9, 2015.
  
  
• H. Çukurtepe, M. Tornatore, A. Yayımlı, B. Mukherjee,
  Dynamic Traffic Provisioning in Mixed-line-rate Networks with Launch Power Determination,
  ICTON 2013, Cartagena, Spain, June 23-27, 2013 (Invited Paper).
  
  
• H. Çukurtepe, M. Tornatore, A. Yayımlı, B. Mukherjee,
  Impairment-Aware Lightpath Provisioning in Mixed Line Rate Networks,
  ANTS 2012, Bangalore, India, December 16-19, 2012.
  
  
• C. Ribera, C. Cavdar, A. Gencata, L. Wosinska,
  Multi Layer Energy-Efficiency in IP over WDM Networks,
  ACP 2012, Guangzhou, China, November 7-10, 2012.
  

• A. Yayımlı, Ç. Çavdar,
  Energy-aware virtual topology reconfiguration under dynamic traffic
  ICTON 2012, Coventry, England, July 2-5, 2012 (Invited Paper).
  

• H. Çukurtepe, A. Yayımlı, B. Mukherjee,
  Inverse Multiplexing Gain Considering Physical Layer Impairments in Mixed Line Rate Networks
  ISCC 2012, Cappadocia, Turkey, July 1-4, 2012.

• Ç. Çavdar, A. Yayımlı, L. Wosinska,
  Cutting the Electric Bill by Routing and Wavelength Assignment with Time-zones and Time-of-use Prices
  ACP 2011, Shanghai, China, Nov. 13-16, 2011.

• Ç. Çavdar, A. Yayımlı, L. Wosinska,
  How to Cut the Electric Bill in Optical WDM Networks with Time-zones and Time-of-use Prices
  ECOC 2011, Geneva, Switzerland, Sep. 18-22, 2011.
  
  
• F. Corut Ergin, A. Yayımlı, A. Ş. Uyar,
  Survivable Cross-layer Virtual Topology Design using a Hyper-heuristic Approach
  ICTON 2011, Stockholm, Sweden, Jun. 26-30, 2011, (Invited Paper).
  
  
• F. Corut Ergin, A. Ş. Uyar, A. Yayımlı,
  Investigation of Hyper-heuristics for Designing Survivable Virtual Topologies in Optical WDM Networks,
  Evo* - EvoCOMNET 2011, Torino, Italy, Apr. 27-29, 2011.
  
  
• A. Keles, A. Yayimli, A. S. Uyar,
  Ant Based Hyper Heuristic for Physical Impairment Aware Routing and Wavelength Assignment,
  IEEE Sarnoff Symposium, Princeton, NJ, USA, Apr. 12-14, 2010.
  
  
• A. Keles, A. Yayimli, A. S. Uyar,
  A Tabu Search Based Hyper-Heuristic Approach for Solving the Physical Impairment Aware Routing and Wavelength Assignment Problem in Optical WDM Networks,
  Evo* - EvoCOMNET 2010, İstanbul, Turkey, Apr. 7-9, 2010.

• F. C. Ergin, E. Kaldirim, A. Yayimli, S. Uyar,
  "Performance Analysis of Nature Inspired Heuristics for Survivable Virtual Topology Mapping"
  IEEE GLOBECOM 2009, Hawaii, USA, Nov. 30-Dec.4, 2009.

• E. Kaldirim, F. C. Ergin, S. Uyar, A. Yayimli,
  "Ant Colony Optimization for Survivable Virtual Topology Mapping in Optical WDM Networks"
  ISCIS 2009, Turkish Republic of Northern Cyprus, Sept. 14-16, 2009.

• F. C. Ergin, S. Uyar, A. Yayimli,
  "An Evolutionary Algorithm for Survivable Virtual Topology Mapping in Optical WDM Networks"
  Evo* - EvoWorkshops 2009, Tübingen, Germany, Apr. 15-17, 2009.
  

• C. Cavdar, A. Yayimli, B. Mukherjee,
  "Multilayer Resilient Design for Layer 1 VPNs,"
  Optical Fiber Communication Conference and Exposition - OFC 2008, San Diego, California, USA, Feb. 24-28, 2008.
  

• A. Yayimli,
  "Selective Survivability with Disjoint Nodes and Disjoint Lightpaths for Layer 1 VPN,"
  1st Symposium on Advanced Networks and Telecommunication Systems - ANTS 2007, Mumbai, India, December 17-18, 2007. (Best paper award)
  

• C. Cavdar, A. Gencata, S. Rai, B. Mukherjee,
  "Time-Zone-Aware Traffic Grooming in IP-over-WDM Networks,"
  High-Speed Networks Workshop (in conjunction with IEEE INFOCOM 2007), Anchorage, Alaska, May 11, 2007.
  

• B.Kantarcı, M.T.Sandıkkaya, A.Gençata, S. Oktuğ,
  "Prudent Creditization Polling (PCP): A Novel Adaptive Polling Service for an EPON,"
  11th International Conference on Optical Networking Design and Modeling - ONDM 2007, Athens, Greece, May 29-31, 2007.
  
  
• O.Koçak, Ç.Çavdar, A.Gençata, F. Buzluca,
  "An Efficient Heuristic for Virtual Topology Reconfiguration in Optical WDM Networks",
  6th International Conference on Advanced Communication Technology - ICACT 2004, Phoneix Park, Korea, Feb. 9-11, 2004

• A. Gencata, B. Mukherjee,
  "CATZ (Capacity Allocation with Time Zones): A Methodology for Cost-efficient Bandwidth Allocation and Reconfiguration in a World-wide WDM Network,"
  European Conference on Optical Communications - ECOC 2002, pp. P4.19, Copenhagen, Sept. 2002.


• Y. Huang, A. Gencata, J.P. Heritage, B. Mukherjee,
  "Routing and Wavelength Assignment with Quality-of-signal Constraints in WDM Networks,"
  European Conference on Optical Communications - ECOC 2002, pp. P4.16, Copenhagen, Sept. 2002.


• A. Gencata, B. Mukherjee,
  "Time-zone Based Traffic Engineering and Capacity Optimization in a World-wide Backbone Mesh Network,"
  High-Speed Networking Workshop - HSN 2002, New York, Jun. 2002.


• A. Gencata, L. Sahasrabuddhe, B. Mukherjee,
  "Dynamic Network Planning and Design using Optical WDM Infrastructure,"
  Proc. of National Fiber Optic Engineers Conference - NFOEC, Dallas, TX, Sept. 2002.


• A. Gencata, B. Mukherjee,
  "Virtual Topology Adaptation for WDM Mesh Networks Under Dynamic Traffic,"
  Proc. of IEEE INFOCOM, New York, Jun. 2002.


• A. Gencata, L. Sahasrabuddhe, B. Mukherjee,
  "Virtual-Topology Adaptation with Minimal Lightpath Change for Dynamic Traffic in WDM Mesh Networks,"
  Proc. of Optical Fiber Communications Conf. - OFC, pp. ThGG119, Anaheim, CA, Mar. 2002.


• A. Gençata, F. Buzluca,
  "Calculation of the Asynchronous Threshold Values of the Timed Token MAC Protocol,"
  Proc. of 2nd International Conference on Information Communications and Signal Processing - ICICS, Singapore, Dec. 1999.


• A. Gençata, F. Buzluca,
  "FDDI Aðlarýnda Asenkron Eþik Deðerlerinin Bulunmasi,"
  Proc. of the 4th Turkish Symposium on Computer Networks - BAS, Istanbul, May 1999.


• A. Gençata, T. Acar, M. Gökmen,
  "Yýrtýlabilir Zar Modeli Yardýmýyla Görüntü Sýkýþtýrma,"(Image Compression by Using Weak Membrane Model)
  Proc. of the 3rd National Symposium on Signal Processing and Applications - SIU'95, p.117-122, Nevþehir, Apr. 1995.


• A. Gencata, M. Gokmen,
  "Zar ve Levha Modellerinden Olusan Karma Model Yardýmýyla Yüzey Kurma ve Ayrýt Saptama"(Surface Reconstruction and Edge Detection By Using Weak Membrane and Plate Model of Images),"
  Proc. of the 2nd National Symposium on Signal Processing and Applications, p.1-6, Gokova, Apr. 1994.

Ph.D. Thesis:/Doktora Tezi

M.Sc. Thesis:/Yüksek Lisans Tezi