Results 51 to 60 of about 261 (83)
A PCE-based strategy for LSP re-optimization in flexgrid optical networks is experimentally validated. A front- and back-end stateful PCE architecture is deployed, wherein automatic and coordinated operations (e.g., computation delegation, database ...
Muñoz González, Raul +5 more
core
Allocating multi-rate requests to single-rate lightpaths in Flexgrid optical networks
Some ideas about the effect of appropriately selecting the size of the connections conveyed by multi-rate flexgrid optical networks are discussed. The main focus is on illustrating the relation between spectrum consumption and effective carried traffic ...
Comellas Colomé, Jaume +1 more
core
Some of the next articles are maybe not open access.
Related searches:
Related searches:
Online routing and spectrum assignment in flexgrid optical networks
2015 17th International Conference on Transparent Optical Networks (ICTON), 2015In this paper we propose a novel method for online routing and spectrum assignment (RSA) in flexgrid optical networks based on the theory of Markov Decision Processes (MDP). This theory has already been successfully applied to optimum state-dependent routing in multiservice circuit switched networks.
Ronald Romero Reyes, Thomas Bauschert
exaly +2 more sources
Embedding Hose-Model virtual Network in Flexgrid Optical Networks
2019 18th International Conference on Optical Communications and Networks (ICOCN), 2019This work studies the problem of hose-model virtual network embedding in flexgrid optical networks. Problem definition is given, and four heuristic algorithms are proposed. Their performance is assessed under different traffic loads by simulation.
Fengqing Liu, Longzhu Guo
exaly +2 more sources
Elastic Spectrum Allocation for Time-Varying Traffic in FlexGrid Optical Networks
IEEE Journal on Selected Areas in Communications, 2013Elastic flexgrid optical networks (FG-ON) are considered a very promising solution for next-generation optical networks. In this article we focus on lightpath adaptation under variable traffic demands in FG-ON. Specifically, we explore the elastic spectrum allocation (SA) capability of FG-ON and, in this context, we study the effectiveness of three ...
MIROSŁAW Klinkowski +2 more
exaly +2 more sources
Robust spectrum allocation in elastic flexgrid optical networks: Complexity and formulations
Networks, 2017Flexgrid optical networking technology allows for a more flexible consumption of bandwidth. The spectrum allocation problem consists of the conflict‐free assignment of consecutive spectrum space of different sizes to lightpaths. In this article, we study the computational complexity of spectrum allocation with and without demand uncertainty.
Christina Busing +2 more
exaly +2 more sources
Dynamic routing and spectrum (re)allocation in future flexgrid optical networks
Computer Networks, 2012Future flexible-grid elastic optical networks are very promising due to their higher spectrum efficiency and flexibility comparing to the rigid spectrum grid optical networks realized with the traditional wavelength division multiplexing (WDM) technology.
A Castro, Luis Velasco, Marc Ruiz
exaly +2 more sources
Hose-model network virtualization in flexgrid optical networks
Journal of Optical Communications and Networking, 2020Network virtualization, which can flexibly and efficiently embed multiple client networks to a substrate network, is one of the most promising technologies to address the ossification problem of Internet infrastructure. This work focuses on studying the problem of hose-model network virtualization in general topology flexgrid optical networks.
Fengqing Liu, Weiguang He
openaire +1 more source