Survivable Virtual Network Mapping With Fiber Tree Establishment in Filterless Optical Networks

Ayoub, Omran; Bovio, Andrea; Musumeci, Francesco; Tornatore, Massimo

doi:10.1109/tnsm.2021.3111749

Cited by 12 publications

(6 citation statements)

References 22 publications

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“…For comparison purposes, we contrast our evaluation methodology to the SP ranking model. By being the dominant technique for either traditional or modern reliability-oriented solutions in the known literature [22][23][24][25][26][27], it poses as an excellent counterpart to our PaSS classification framework. We record the corresponding experimental results and compare their effectiveness in proactively suggesting reliable candidates for path mappings.…”

Section: Evaluation Scenario and Experimental Resultsmentioning

confidence: 99%

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Path Enumeration Solution for Evaluating Reliability, Based on the Path Algebra Framework

Prekas,

Trakadas,

Karkazis

2024

Preprint

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The demand for connectivity in this fourth industrial revolution, is growing in an exponential rate. As the Fourth-Generation communication systems are replaced by the Fifth and Sixth-Generation ones, a plethora of fundamental performance issues need to constantly be addressed. Virtual network reliability is one of those main challenges for deploying resilient service-centric and user-centric scenarios in Next-Generation Networks. The need for strengthening critical applications dictates the emergence of mechanisms that could inherently produce more reliable resource allocations, either at the cloud or edge level. However, until the adoption of fully artificially intelligent management systems, the enhancement of existing resource evaluation and allocation mechanisms is mandatory during this transitional era. To reach this pressing milestone, we will have to revise the already deployed reliability frameworks, assessing their orchestrating stages. Our research focuses on providing a novel evaluation mechanism that could successfully replace traditional path choosing techniques in reliability prone algorithms, regardless of their orientation. The proposed synthesized metrics enumerate the candidate paths validly and optimally, by adhering to the Path Algebra fundamental properties of monotonicity and isotonicity. Such an implementation can be deployed seamlessly, either on legacy or modern architectures, cementing the innovative qualities of its design. The experimental results of our simulations indicate that the proposed solution favors substantially more reliable paths than its shortest-path counterpart.

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Section: Evaluation Scenario and Experimental Resultsmentioning

confidence: 99%

“…The authors of [25] investigate the problem of reliable Virtual Network Mapping (SVNM) in Filterless Optical Networks (FONs), aiming to evaluate the cost of reliability. In their proposed heuristic and meta-heuristic approaches, the SP routing is used as an evaluation technique for VN link mapping over the physical topology.…”

Section: Motivation and Related Workmentioning

confidence: 99%

Path Enumeration Solution for Evaluating Reliability, Based on the Path Algebra Framework

Prekas,

Trakadas,

Karkazis

2024

Preprint

View full text Add to dashboard Cite

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“…The number of mapped physical nodes and physical links is taken as the goal of optimization, and the energy consumption of network mapping is controlled by solving for the minimum number of physical nodes and physical links. The survivability virtual network mapping algorithm is proposed for network fault handling requirements [ 79 , 80 , 81 , 82 ]. Survivable virtual network mapping algorithms refer to the ability of the network to still provide communication services through the reserved backup resources in case of problems such as natural disasters, network attacks, and equipment failures.…”

Section: Related Workmentioning

confidence: 99%

Resource Mapping Allocation Scheme in 6G Satellite Twin Network

Deng

2022

Sensors

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The sixth generation (6G) satellite twin network is an important solution to achieve seamless global coverage of 6G. The deterministic geometric topology and the randomness of the communication behaviors of 6G networks limit the realism and transparency of cross-platform and cross-object communication, twin, and computing co-simulation networks. Meanwhile, the parallel-based serverless architecture has a high redundancy of computational resource allocation. Therefore, for the first time, we present a new hypergraph hierarchical nested kriging model, which provides theoretical analysis and modeling of integrated relationships for communication, twin, and computing. We explore the hierarchical unified characterization method which joins heterogeneous topologies. A basis function matrix for local flexible connectivity of the global network is designed for the connection of huge heterogeneous systems to decouple the resource mapping among heterogeneous networks. To improve the efficiency of resource allocation in communication, twin, and computing integrated network, a multi-constraint multi-objective genetic algorithm (MMGA) based on the common requirements of operations, storage, interaction, and multi-layer optimal solution conflict is proposed for the first time. The effectiveness of the algorithm and architecture is verified through simulation and testing.

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“…Moreover, in the fastest growing network segments, access and metro, traffic patterns are mainly Hub-and-Spoke (H&S) 1 and highly dynamic [15]. Here, a multitude of low-speed transceivers (end users) are connected to a few high-speed transceivers (hubs).…”

Section: Introductionmentioning

confidence: 99%

Digital Subcarrier Multiplexing: Enabling Software-Configurable Optical Networks

Welch

Napoli

Bäck³

et al. 2023

J. Lightwave Technol.

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The various topologies, traffic patterns and cost targets of optical networks have prevented the deployment of endto-end solutions across multi-domains, and the optimization of the network as a whole. The consequent limitations in flexibility, scalability, and adaptability of optical networks will become increasingly important with new applications, such as 5G/6G. Coherent transceivers based on digital subcarrier multiplexing (DSCM) are proposed to address these current constraints. In particular, DSCM allows (i) the design of high-capacity pointto-point (P2P) and -multipoint (P2MP) optical networks; (ii) simplified aggregation with passive optics; and (iii) connections between low-and high-speed transceivers. Furthermore, DSCMbased networks reduce the number of opto-electro-opto stages, halve the number of bookended transceivers, and provide a better match for existing hub-and-spoke (H&S) traffic patterns in fast-growing and dynamic access/metro segments. A DSCMbased transceiver will pave the way for the deployment of nextgeneration flexible, adaptable, and scalable software-configurable optical networks.Key steps and elements to realize this solution are laid out, and promising applications outlined. The first real-time experimental results of coherent P2MP transceivers are presented.

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Survivable Virtual Network Mapping With Fiber Tree Establishment in Filterless Optical Networks

Cited by 12 publications

References 22 publications

Path Enumeration Solution for Evaluating Reliability, Based on the Path Algebra Framework

Path Enumeration Solution for Evaluating Reliability, Based on the Path Algebra Framework

Resource Mapping Allocation Scheme in 6G Satellite Twin Network

Digital Subcarrier Multiplexing: Enabling Software-Configurable Optical Networks

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