Supporting streaming updates in an active data warehouse
N Polyzotis, S Skiadopoulos… - 2007 IEEE 23rd …, 2006 - ieeexplore.ieee.org
Active data warehousing has emerged as an alternative to conventional warehousing
practices in order to meet the high demand of applications for up-to-date information. In a …
practices in order to meet the high demand of applications for up-to-date information. In a …
Routing and spectrum assignment: A metaheuristic for hybrid ordering selection in elastic optical networks
Routing and spectrum assignment (RSA) problem, in elastic optical networks, searches for a
route and a sufficient spectrum range to fit each network request. Solving these two …
route and a sufficient spectrum range to fit each network request. Solving these two …
Achievement of fair and efficient regenerator allocations in translucent optical networks using the novel regenerator assignment algorithm
In this work, the Preventive Assignment of Regenerator (PAR) algorithm is proposed for
regenerator allocation in translucent optical networks. The objective of this proposal is to …
regenerator allocation in translucent optical networks. The objective of this proposal is to …
Load balancing in fixed-routing optical networks with weighted ordering heuristics
In this paper we show that the adoption of a simple weighted ordering heuristic strategy to
find fixed shortest path routes in a topology can improve load-balancing and, consequently …
find fixed shortest path routes in a topology can improve load-balancing and, consequently …
Channel-based RSA approaches for QoS protection of slices over elastic optical networks
KDR Assis, RCDA Almeida, AF Dos Santos… - IEEE …, 2022 - ieeexplore.ieee.org
Resource efficiency and survivability are critical concerns in elastic optical networks (EONs)
with virtualization. In this paper, we investigate some important aspects in network …
with virtualization. In this paper, we investigate some important aspects in network …
On solving the capacitated routing and spectrum allocation problem for flexgrid optical networks
The elastic optical networks, aka, flexgrid networks, have flexible spectrum allocation. Such
flexibility is possible due to the division of the spectrum into narrow frequency slots and the …
flexibility is possible due to the division of the spectrum into narrow frequency slots and the …
Routing in EON networks under mixed static and dynamic traffic
KDR Assis, AF dos Santos… - Optical Metro Networks …, 2017 - spiedigitallibrary.org
This paper proposes heuristics, which can maximize the number of remaining available
routes and minimize the number of transceivers used in Elastic Optical Networks (EON). The …
routes and minimize the number of transceivers used in Elastic Optical Networks (EON). The …
Impairment-aware fixed-alternate bsr routing heuristics applied to elastic optical networks
MM Alves, RC Almeida, AF dos Santos… - The Journal of …, 2021 - Springer
The introduction of elastic optical networks (EONs) leads to new challenges, such as the
problem of routing, modulation level, and spectrum assignment. In the literature, the best …
problem of routing, modulation level, and spectrum assignment. In the literature, the best …
A branch-and-cut algorithm for the routing and spectrum allocation problem
M Bianchetti, J Marenco - Discrete Applied Mathematics, 2023 - Elsevier
One of the most promising solutions to deal with huge data traffic demands in large
communication networks is given by flexible optical networking, in particular the flexible grid …
communication networks is given by flexible optical networking, in particular the flexible grid …
Hybrid strategy for routing, modulation and spectrum assignment in elastic optical networks
In this paper, we propose a novel hybrid strategy that combines mixed integer linear
programming (MILP) formulation with different alternative routing approaches that is capable …
programming (MILP) formulation with different alternative routing approaches that is capable …