Journal articles

  • M. Youssef, S. Al Zahr, and M. Gagnaire. "Translucent Network Design From a CapEx/OpEx Perspective". Springer Journal on Photonic Network Communications, Vol. 22, No. 1, August 2011 (DOI: 10.1007/s11107-011-0310-6).
  • S. Azodolmolky, J. Perelló, M. Angelou, F. Agraz, L. Velasco, S. Spadaro, Y. Pointurier, A. Francescon, C. Saradhi, P. Kokkinos, E. Varvarigos, S. Al Zahr, M. Gagnaire, M. Gunkel, D. Klonidis, and I. Tomkos. "Experimental Demonstration of an Impairment Aware Network Planning and Operation Tool for Transparent/Translucent Optical Networks". OSA/IEEE Journal of Lightwave Technology, Vol. 29, No. 4, February 2011 (DOI: 10.1109/JLT.2010.2091622).
  • M. Gagnaire and S. Al Zahr. "Impairment-Aware Routing and Wavelength Assignment in Translucent Networks: State-of-the-art". IEEE Communications Magazine, Vol. 47, No. 5, May 2009 (DOI: 10.1109/MCOM.2009.4939277).

Conference proceedings

  • E. A. Doumith and S. Al Zahr, "An M : N Shared Regenerator Protection Scheme in Translucent WDM Networks". To appear in Proc. of the IFIP Networking Confrence, Zurich, Switzerland, May 2018.
  • S. Al Zahr, E. A. Doumith, and P. Forestier, "Advanced Demand Response Considering Modular and Deferrable Loads under Time-Variable Rates". In Proc. of the IEEE Globecom Confrence, Singapore, Singapore, December 2017 (DOI: 10.1109/GLOCOM.2017.8255068).
  • M. Gagnaire, S. Al Zahr, and Y. Kacem, "Energy Balancing in a Microgrid Based on Sources and Loads Classification". In Proc. of the IEEE GIIS Confrence, Porto, Portugal, October 2016 (DOI: 10.1109/GIIS.2016.7814946).
  • F. Díaz-Sánchez, S. Al Zahr, M. Gagnaire, J.-P. Laisné, and I. J. Marshall, "CompatibleOne: Bringing Cloud as a Commodity". In Proc. of the IEEE IC2E Confrence, Boston, MA, US, March 2014 (DOI: 10.1109/IC2E.2014.62).
  • F. Díaz-Sánchez, S. Al Zahr, and M. Gagnaire. "An Exact Placement Approach for Optimizing Cost and Recovery Time under Faulty Multi-Cloud Environments". In Proc. of the IEEE Cloudcom Conference, Bristol, UK, December 2012 (DOI: 10.1109/CloudCom.2013.116).
  • F. Díaz-Sánchez, E. A. Doumith, S. Al Zahr, and M. Gagnaire. "An Economic Agent Maximizing Cloud Providers Revenues Under Pay-as-you-Book Pricing Model". In Proc. of the 9th International Conference on Economics of Grids, Clouds, Systems and Services (GECON), LNCS 7714, Berlin, Germany, November 2012 (DOI: 10.1007/978-3-642-35194-5_3).
  • E. A. Doumith, S. Al Zahr, and M. Gagnaire. "A Novel Meta-Heuristic Approach for Optical Monitoring-Tree Design in WDM Networks". In Proc. of the IFIP/IEEE ONDM Conference, Colchester, UK, April 2012 (DOI: 10.1109/ONDM.2012.6210188).
  • D. Tammaro, E. A. Doumith, S. Al Zahr, J.-P. Smets, and M. Gagnaire. "Dynamic Resource Allocation in Cloud Environment Under Time-variant Job Requests". In Proc. of the IEEE CloudCom Conference, Athens, Greece, November-December 2011 (DOI: 10.1109/CloudCom.2011.91).
  • E. A. Doumith, S. Al Zahr, and M. Gagnaire. "Mutual Impact of Traffic Correlation and Regenerator Concentration in Translucent WDM Networks". In Proc. of the IEEE ICC Conference, Kyoto, Japan, June 2011 (DOI: 10.1109/icc.2011.5963264).
  • S. Al Zahr, E. A. Doumith, and M. Gagnaire. "An Exact Approach for Translucent Network Design Considering Scheduled Lightpath Demands". In Proc. of the IEEE ICT Conference, Ayia Napa, Cyprus, May 2011 (DOI: 10.1109/CTS.2011.5898968).
  • J. Perelló, S. Spadaro, F. Agraz, M. Angelou, S. Azodolmolky, Y. Qin, R. Nejabati, D. Simeonidou, P. Kokkinos, E. Varvarigos, S. Al Zahr, M. Gagnaire, and I. Tomkos. "Experimental Evaluation of Centralized Failure Restoration in a Dynamic Impairment-Aware All-Optical Network". In Proc. of the IEEE OFC/NFOEC Conference, Los Angeles, CA, USA, March 2011 (INSPEC Accession Number: 12050081).
  • M. Gagnaire, E. A. Doumith, and S. Al Zahr. "A Novel Exact Approach for Translucent WDM Network Design Under Traffic Uncertainty". In Proc. of the IFIP/IEEE ONDM Conference, Bologna, Italy, February 2011 (INSPEC Accession Number: 11962954).
  • E. A. Doumith, S. Al Zahr, and M. Gagnaire. "Monitoring-Tree: an Innovative Technique for Failure Localization in WDM Translucent Networks". In Proc. of the IEEE Globecom Conference, Miami, FL, USA, December 2010 (DOI: 10.1109/GLOCOM.2010.5683219).
  • M. Youssef, S. Al Zahr, and M. Gagnaire. "Traffic-Driven vs Topology-Driven Strategies for Regeneration Sites Placement". In Proc. of the IEEE ICC Conference, Cape Town, South Africa, May 2010 (DOI: 10.1109/ICC.2010.5501793).
  • M. Youssef, S. Al Zahr, and M. Gagnaire. "Cross Optimization for RWA and Regenerator Placement in Translucent WDM Networks". In Proc. of the IFIP/IEEE ONDM Conference, Kyoto, Japan, February 2010 (DOI: 10.1109/ONDM.2010.5431577).
  • S. Al Zahr, M. Gagnaire, and N. Puech. "Impact of Wavelength Assignment Strategies on Hybrid WDM Network Planning". In Proc. of the IEEE DRCN Conference, La Rochelle, France, October 2007 (DOI: 10.1109/DRCN.2007.4762271).
  • S. Al Zahr, N. Puech, and M. Gagnaire. "Gain Equalization and Electrical Regeneration in Hybrid WDM Networks". In Proc. of the IEEE ConTEL Conference, Zagreb, Croatia, June 2007 (DOI: 10.1109/CONTEL.2007.381899). Best Student Paper Award.
  • M.-A. Ezzahdi, S. Al Zahr, M. Koubaa, N. Puech, and M. Gagnaire. "LERP: a Quality of Transmission Dependent Heuristic for Routing and Wavelength Assignment in Hybrid WDM Networks". In Proc. of the IEEE ICCCN Conference, Arlington, Virginia, USA, October 2006 (DOI: 10.1109/ICCCN.2006.286257).
  • S. Al Zahr, M. Gagnaire, and M.-A. Ezzahdi. "Impact of Quality of Transmission on Protection Schemes in Hybrid WDM Optical Networks". In Proc. of the European EUNICE Summer School, Stuttgart, Germany, September 2006.
  • N. Puech, S. Al Zahr, and M. Gagnaire. "Wavelength-Dependant Quality of Transmission in WDM Transparent Optical Networks". In Proc. of the ICT Conference, Funcal, Madeira, Portugal, May 2006.
  • S. Al Zahr, M. Gagnaire, N. Puech, and M. Koubaa. "Physical Layer Impairments in WDM Core Networks: a Comparison between a North-American Backbone and a Pan-European Backbone". In Proc. of the IEEE/CreateNet Broadnets Conference, Boston, USA, October 2005 (DOI: 10.1109/ICBN.2005.1589754).

Invited papers

  • S. Al Zahr, "Home Energy Management System Considering Modular and Deferrable Electric Loads Under Time-Variable Pricing Scheme". In Proc. of the IEEE MENACOMM Confrence, Jounieh, Lebanon, April 2018 (DOI: 10.1109/MENACOMM.2018.8371044).
  • E. A. Doumith and S. Al Zahr. "Double-link Failure Localization Based on the Monitoring Trail Concept in WDM Networks". In Proc. of the IEEE International Symposium on Broadband Networks and Fast Internet, Baabda, Lebanon, May 2012 (DOI: 10.1109/RELABIRA.2012.6235087).
  • E. A. Doumith, S. Al Zahr, and A. Haddad. "On Failure Localization in Optical Networks". 1st Joint Keio University - TELECOM ParisTech Workshop, Paris, France, September 2010.
  • M. Youssef, S. Al Zahr, and M. Gagnaire. "Cross-optimization for RWA and Regenerator Placement in Translucent WDM networks". 1st Joint Keio University - TELECOM ParisTech Workshop, Paris, France, September 2010.

Patents

  • S. Al Zahr, Melaine Rousselle, Philippe Forestier. "A method and a system for electrical energy consumptions coordination". Application No. FR1662727, filed on Dec. 19th, 2016.
  • S. Al Zahr, Melaine Rousselle, Philippe Forestier. "A process and a system for electric appliances energy management". Application No. FR1562001, Issued Jun 16, 2017.
  • E. A. Doumith, S. Al Zahr, M. Gagnaire. "A method and a system for unambiguous failure localization in translucent optical networks preserving network capacity". European Patent No. EP10290134. Mar. 15th, 2010.

Theses

  • Sawsan Al Zahr, WDM Translucent Networks Planning with Guaranteed Quality of Transmission (PDF). Ph.D. thesis, École Nationale Supérieure des Télécommunications, Paris, France, 2007.
  • Sawsan Al Zahr, An Analytical Model of the IPACT MAC Protocol for EPON-based Access Networks. M.Sc. thesis, École Nationale Supérieure des Télécommunications, Paris, France, 2004.

Technical reports

  • Lucile Belgacem, Sawsan Al Zahr, Nicolas Puech, Routing and Wavelength Assignment in WDM Optical Networks: Exact Resolution vs. Random Search Based Heuristics (PDF). Télécom ParisTech 2008D002, March 2008.
  • Sawsan Al Zahr, Maurice Gagnaire, An Analytical Model of the IEEE 802.3ah MAC Protocol for EPON-based Access Systems (PDF). Télécom ParisTech 2006C001, May 2006.