Spectrum-efficient anycast in elastic optical inter-datacenter networks

L Zhang, Z Zhu - Optical switching and Networking, 2014 - Elsevier
With the rapid development of cloud computing, optical inter-datacenter (inter-DC) networks
have attracted intensive research attentions. Meanwhile, recent advances on the flexible …

Dynamic anycast in inter-datacenter networks over elastic optical infrastructure

L Zhang, Z Zhu - 2014 International Conference on Computing …, 2014 - ieeexplore.ieee.org
Since the optical orthogonal frequency-division multiplexing (O-OFDM) technology can
facilitate agile spectrum management, the elastic optical infrastructure based on it has …

Manycast, anycast, and replica placement in optical inter-datacenter networks

A Muhammad, N Skorin-Kapov… - Journal of Optical …, 2017 - opg.optica.org
The expanding adoption of cloud-based services in recent years puts stringent requirements
on datacenters (DCs) and their interconnection networks. Optical inter-datacenter networks …

Simulated annealing algorithm for optimization of elastic optical networks with unicast and anycast traffic

M Aibin, K Walkowiak - 2014 16th International Conference on …, 2014 - ieeexplore.ieee.org
The growing number of services like Content Delivery Networks (CDNs) and cloud
computing triggers a sustainable growth of data transfer and consequently leads to an …

Static routing and spectrum assignment for deadline-driven bulk-data transfer in elastic optical networks

H Chen, Y Zhao, J Zhang, W Wang, R Zhu - IEEE Access, 2017 - ieeexplore.ieee.org
Inter-datacenter services such as data replication and virtual machine migration contribute
significantly to the underlying network traffic. These bulk-data transfer services can tolerate …

Joint optimization of resource allocation for elastic optical intra-datacenter network

A Muhammad, M Fiorani, L Wosinska… - IEEE Communications …, 2016 - ieeexplore.ieee.org
The ever-increasing demand for cloud services is posing serious challenges to the
scalability of the computing, storing, and networking infrastructure deployed inside the …

Joint content placement and lightpath routing and spectrum assignment in CDNs over elastic optical network scenarios

J Perelló, K Walkowiak, M Klinkowski, S Spadaro… - Computer …, 2016 - Elsevier
In this work, we address the problem of jointly deciding the placement of the contents
delivered by a Content Distribution Network (CDN) among the available data centers …

Software defined flexible and efficient passive optical networks for intra-datacenter communications

R Gu, Y Ji, P Wei, S Zhang - Optical Switching and Networking, 2014 - Elsevier
Facing the huge traffic challenge, optical networking shows great advantages on capacity
and energy issues. However, the efficiency and flexibility are not satisfactory to the data …

Adaptive modulation and regenerator-aware dynamic routing algorithm in elastic optical networks

M Aibin, K Walkowiak - 2015 IEEE International Conference on …, 2015 - ieeexplore.ieee.org
Elastic optical network (EON) is a promising technology that provides flexible modulation
format conversion, which allows more efficient use of spectrum resources comparing to …

Intra and inter datacenter networking: The role of optical packet switching and flexible bandwidth optical networking

SJB Yoo, Y Yin, K Wen - 2012 16th International Conference on …, 2012 - ieeexplore.ieee.org
This paper discusses prospects and challenges of optical networking designed to meet
exponentially growing demands of data traffic. We discuss both intra and inter data-center …