eNd to End scalable and dynamically reconfigurable oPtical arcHitecture for application-awarE SDN cLoud datacentErs

Deliverables

Websites, patent fillings, videos etc. (2)

NEPHELE video presentation

- Preparation of promotional video clip

Website development and preparation of dissemination material

- website development - preparation of dissemination material (project factsheet, short presentation)

Demonstrators, pilots, prototypes (2)

End-to-end NEPHELE connectivity demonstration validated in lab environment

- Physical layer validation of slotted operation in lab environment - End-to-end NEPHELE connectivity demonstration validated in lab environment

NEPHELE inter- and intra-datacenter demonstration in operational environment

- NEPHELE inter-datacenter demonstration in operational environment - NEPHELE intra-datacenter demonstration in operational environment

Publications

Conference proceedings (27)

Optical datacenter network employing slotted (TDMA) operation for dynamic resource allocation

Author(s): Paraskevas Bakopoulos; Konstantinos Tokas; Christos Spatharakis; Ioannis Patronas; Giada Landi; Kostas Christodoulopoulos; Marco Capitani; Angelos Kyriakos; Muzzamil Aziz; Dionysis Reisis; Emmanuel Varvarigos; Eitan Zahavi; Hercules Avramopoulos
Published in: 2018
DOI: 10.5281/zenodo.1208054

SDN Control Framework with Dynamic Resource Assignment for Slotted Optical Datacenter Networks

Author(s): Giada Landi, Ioannis Patronas, Konstantinos Kontodimas, Muzzamil Aziz, Konstantinos Christodoulopoulos, Angelos Kyriakos, Marco Capitani, Amirreza F. Hamedani, Giacomo Bernini, Dionysis Reisis, Emmanuel Varvarigos, Paraskevas Bakopoulos, Hercules Avramopoulos
Published in: Optical Fiber Communication Conference, 2017, Page(s) Tu3L.1
DOI: 10.1364/ofc.2017.tu3l.1

Joint Intra- and Inter-Datacenter Network Optimization and Orchestration

Author(s): G. Landi, M. Capitani, A. Kretsis, P. Kokkinos, K. Christodoulopoulos, E. Varvarigos
Published in: Optical Fiber Communication Conference, 2018, Page(s) Th2A.34
DOI: 10.1364/ofc.2018.th2a.34

An Application-aware SDN Controller for Hybrid Optical-electrical DC Networks

Author(s): Giada Landi, Marco Capitani, Domenico Gallico, Matteo Biancani; Kostas Christodoulopoulos, Muzzamil Aziz
Published in: ICN 2017, 2017
DOI: 10.5281/zenodo.1005021

Optimally-driven Online Reservations in Elastic Optical Networks

Author(s): P. Soumplis; P. Kokkinos; E. A. Varvarigos
Published in: ECOC 2017, 2017
DOI: 10.5281/zenodo.1010012

Slotted TDMA and optically switched network for disaggregated datacenters

Author(s): Konstantinos Tokas, Ioannis Patronas, Christos Spatharakis, Dionysios Reisis, Paraskevas Bakopoulos, Hercules Avramopoulos
Published in: 2017 19th International Conference on Transparent Optical Networks (ICTON), 2017, Page(s) 1-5
DOI: 10.1109/icton.2017.8024739

Resource partitioning in the NEPHELE datacentre interconnect

Author(s): K. Yiannopoulos; K. Kontodimas; K. Christodoulopoulos; E. Varvarigos
Published in: International Conference on Transparent Optical Networks (ICTON 2017), 2017
DOI: 10.5281/zenodo.1010220

Slotted optical datacenter network with sub-wavelength resource allocation

Author(s): Paraskevas Bakopoulos, Konstantinos Tokas, Christos Spatharakis, Hercules Avramopoulos
Published in: 2017 IEEE Photonics Society Summer Topical Meeting Series (SUM), 2017, Page(s) 161-162
DOI: 10.1109/phosst.2017.8012700

Inter-Datacenter Virtual Capacity Services: Reality and Mechanisms

Author(s): P. Kokkinos; I. Gravalos; A. Kretsis; E. Varvarigos
Published in: Cloudnet 2017, 2017
DOI: 10.5281/zenodo.1009863

Quad channel blocker array based on a commodity liquid crystal display

Author(s): Bernhard Schrenk, Paraskevas Bakopoulos, Hannes Hubel
Published in: 2017 IEEE Photonics Society Summer Topical Meeting Series (SUM), 2017, Page(s) 163-164
DOI: 10.1109/phosst.2017.8012701

1.55-μm Dilute Nitride SOAs with low temperature sensitivity for coolerless on-chip operation

Author(s): Giannis Giannoulis, Nikos Iliadis, Dimitrios Apostolopoulos, Paraskevas Bakopoulos, Hercules Avramopoulos, Ville-Markus Korpijarvi, Jaakko Makela, Jukka Viheriala, Mircea Guina
Published in: 2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS), 2015, Page(s) 677-680
DOI: 10.1109/ICECS.2015.7440407

112 Gb/s sub-cycle 16-QAM Nyquist-SCM for intra-datacenter connectivity

Author(s): Paraskevas Bakopoulos, Stefanos Dris, Nikolaos Argyris, Christos Spatharakis, Hercules Avramopoulos
Published in: Next-Generation Optical Networks for Data Centers and Short-Reach Links III, 2016, Page(s) 97750A
DOI: 10.1117/12.2211639

Scaling single-wavelength optical interconnects to 180 Gb/s with PAM-M and pulse shaping

Author(s): Stefanos Dris, Paraskevas Bakopoulos, Nikolaos Argyris, Christos Spatharakis, Hercules Avramopoulos
Published in: Next-Generation Optical Networks for Data Centers and Short-Reach Links III, 2016, Page(s) 977506
DOI: 10.1117/12.2208876

Photonic Interconnect Technologies for Data Centre Environments

Author(s): Pitwon, Richard
Published in: Issue 1, 2015
DOI: 10.5281/zenodo.33067

Bandwidth allocation in the NEPHELE hybrid optical interconnect

Author(s): K. Christodoulopoulos, K. Kontodimas, K. Yiannopoulos, E. Varvarigos
Published in: 2016 18th International Conference on Transparent Optical Networks (ICTON), 2016, Page(s) 1-4
DOI: 10.1109/ICTON.2016.7550704

A scalable optically-switched datacenter network with multicasting

Author(s): Konstantinos Tokas, Christos Spatharakis, Ioannis Kanakis, Nikolaos Iliadis, Paraskevas Bakopoulos, Hercules Avramopoulos, Ioannis Patronas, Nikolaos Liakopoulos, Dionysios Reisis
Published in: 2016 European Conference on Networks and Communications (EuCNC), 2016, Page(s) 265-270
DOI: 10.1109/EuCNC.2016.7561045

An emulation environment for SDN enabled flexible IP/optical networks

Author(s): Aristotelis Kretsis, Loris Corazza, Kostas Christodoulopoulos, Panagiotis Kokkinos, Emmanouel Varvarigos
Published in: 2016 18th International Conference on Transparent Optical Networks (ICTON), 2016, Page(s) 1-4
DOI: 10.1109/ICTON.2016.7550422

A 56 Gbaud Reconfigurable FPGA Feed-Forward Equalizer for Optical Datacenter Networks with flexible Baudrate- and Modulation-Format

Author(s): Christos Spatharakis, Giannis Kanakis, Nikolaos Iliadis, Paraskevas Bakopoulos, Hercules Avramopoulos, Konstantinos Maragos, George Lentaris, Dimitrios Soudris
Published in: 23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), 2016

SDN-Enabled Application-Aware Networking for Datacenter Networks

Author(s): Muzzamil Aziz, Amirreza FazelyH, Giada Landi, Domenico Gallico, Kostas Christodoulopoulos, Philipp Wieder
Published in: 23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), 2016

Optical PAM-4 Generation through Polarization Multiplexing in Single-Polarization Single-Mode VCSELs

Author(s): Nikos Iliadis, Giannis Kanakis, Nikolaos Argyris, Christos Spatharakis, Paraskevas Bakopoulos, Hercules Avramopoulos, Silvia Spiga, Marcus-Christian Amann
Published in: 23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), 2016

Collisions Free Scheduling in the NEPHELE Hybrid Electrical/Optical Datacenter Interconnect

Author(s): K. Christodoulpoulos, K. Kontodimas, A. Siokis, K. Yiannopoulos, E. Varvarigos
Published in: 23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), 2016

Switching Functions of a Data Center Top-of-Rack(ToR)

Author(s): Ioannis Patronas, Angelos Kyriakos, Dionysios Reisis
Published in: 23rd IEEE International Conference on Electronics, Circuits and Systems (ICECS), 2016

Optical switching in datacenter networks: Why and how?

Author(s): Bakopoulos Paraskevas
Published in: Optical Communication (ECOC), 2015 European Conference on, Issue 1, 2015
DOI: 10.5281/zenodo.32747

Optical switching for scalable and programmable data center networks

Author(s): Paraskevas Bakopoulos
Published in: 4th Optical Interconnect in Data Centers EU-Symposium, 2016

The Green Data Center

Author(s): Zahavi Eitan
Published in: Issue 1, 2015
DOI: 10.5281/zenodo.32795

Photonics In Datacenters; towards 400Gb/s

Author(s): Elad Mentovich
Published in: 2016

NEPHELE project presentation

Author(s): Ciulli, Nicola
Published in: Issue 1, 2015
DOI: 10.5281/zenodo.32877

Peer reviewed articles (2)

NEPHELE: An End-to-End Scalable and Dynamically Reconfigurable Optical Architecture for Application-Aware SDN Cloud Data Centers

Author(s): Paraskevas Bakopoulos, Konstantinos Christodoulopoulos, Giada Landi, Muzzamil Aziz, Eitan Zahavi, Domenico Gallico, Richard Pitwon, Konstantinos Tokas, Ioannis Patronas, Marco Capitani, Christos Spatharakis, Konstantinos Yiannopoulos, Kai Wang, Konstantinos Kontodimas, Ioannis Lazarou, Philipp Wieder, Dionysios I. Reisis, Emmanouel Manos Varvarigos, Matteo Biancani, Hercules Avramopoulos
Published in: IEEE Communications Magazine, Issue 56/2, 2018, Page(s) 178-188, ISSN 0163-6804
DOI: 10.1109/mcom.2018.1600804

Efficient Bandwidth Allocation in the NEPHELE Optical/Electrical Datacenter Interconnect

Author(s): K. Christodoulopoulos, K. Kontodimas, A. Siokis, K. Yiannopoulos, E. Varvarigos
Published in: Journal of Optical Communications and Networking, Issue 9/12, 2017, Page(s) 1145, ISSN 1943-0620
DOI: 10.1364/jocn.9.001145