A traffic scheduling strategy based on cost function for differentiated class of service in multi-domain optical networks

Batham, Deepak; Pathak, Shailendra Kumar; Yadav, Dharmendra Singh; Prakash, Shashi

doi:10.1016/j.yofte.2020.102337

Cited by 12 publications

(6 citation statements)

References 48 publications

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“…The ratio of blocked connections to the total arrived connection requests is known as BP. The parameter is evaluated on two standard network topologies, namely INDIAN network (consisting of 14 nodes [37] and ARPANET (consisting of 20 nodes and 32 links) [38,39]. Figure 3 shows the graph of BP versus the number of requests arrived in the network.…”

Section: Simulation Resultsmentioning

confidence: 99%

Elastic Optical Network: A Promising Solution for Future Communication Networks Considering Differentiated CoS

Dixit

Batham

Narwaria

2021

Algorithms for Intelligent Systems

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Section: Simulation Resultsmentioning

confidence: 99%

Elastic Optical Network: A Promising Solution for Future Communication Networks Considering Differentiated CoS

Dixit

Batham

Narwaria

2021

Algorithms for Intelligent Systems

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“…Simulation is performed on NSFNET and ARPANET topologies given in Figure 4. 4,9,25,29 The network nodes are upgraded from fixed to flexible based in geographically region. As a result, some nodes of the region is considered as flexible and some are fixed as shown in the topologies.…”

Section: Reactive Defragmentation With Minimum Spectrum Route (Rdmsr)mentioning

confidence: 99%

“…As a result, some nodes of the region is considered as flexible and some are fixed as shown in the topologies. 4,9 The assumptions and constraints in simulation program are as follows:…”

Section: Reactive Defragmentation With Minimum Spectrum Route (Rdmsr)mentioning

confidence: 99%

“…On contrary, in elastic node architecture, bandwidth variable transponder has flexibility to assign sub and super channel as per the bandwidth demand by user. [4][5][6][7][8][9] Due to spectrum continuity and contiguity constraints, bandwidth assignment on the links of the route is a major challenge, and it becomes more complicated if the route of connection request consists of fixed and flexible nodes. Fixed node allocates single or integer multiple of the wavelength of larger bandwidth slot which results spectrum redundancy.…”

Section: Introductionmentioning

confidence: 99%

“…In WDM node architecture, traditional transceivers in nodes transmit signal using rigid wavelength division multiplexing technique. On contrary, in elastic node architecture, bandwidth variable transponder has flexibility to assign sub and super channel as per the bandwidth demand by user 4–9 …”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

RDMSR: A reactive defragmentation with minimum spectrum route strategy for mixed grid optical network

Yadav

2023

Int J Communication

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SummaryIn this paper, we propose a reactive defragmentation with minimum spectrum route (RDMSR) for the problem of route, spectrum, and modulation‐format allocation (RSMA) in mixed grid optical network. In mixed grid network, spectrum redundancy and its assignment problem increase due to the spectrum continuity and contiguity constrains. In the proposed RDMSR strategy, process of defragmentation initiates after the termination of the existing connections. In addition, the route that needs minimum spectrum is given priority over the other available routes. The performance of the proposed strategy is compared with the two existing strategies: shortest path first (SPF) and mixed grid aware dynamic resources allocation (MDRA). Simulations are performed on NSFNET and ARPANET topologies. The existing and proposed strategies are evaluated on the metrics of bandwidth blocking probability (BBP), network capacity (NC), and average hops (AH) at three different combinations of the network traffic. Results show the proposed strategy outperforms than the other existing state of art strategies.

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Cost function‐based class of service provisioning strategy in elastic optical networks

Dixit

Batham

Narwaria

2020

Int J Communication

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SummaryThe recent fog‐and‐cloud computing, Internet of things (IoT), artificial intelligence, machine learning, and store‐and‐forward datacenter applications gradually increase the Internet traffic. The arrival of this traffic is periodic, which remains high during certain time duration (known as peak or working/office hour) each day, resulting in an increase in the resource bottleneck problem, which causes high connections blocking. Due to these, many commercial and business data services may lose their connections which contain the urgent and important information. In order to handle such a critical situation in elastic optical networks (EONs), prioritization of connection requests based on the differentiated class of service (CoS) is a must. In this paper, the network traffic is categorized into three CoS requests. These are CoS1 (real‐time traffic), CoS2 (nonreal‐time traffic), and CoS3 (delay‐tolerant traffic) and proposed a cost function‐based CoS provisioning (CFCoSP) strategy in which the connection requests are served as per an increasing value of cost function. The cost function is a cumulative function of CoS, pathlength, and requested bandwidth demand (i.e., number of frequency slots required). The simulations are performed on INDIAN and ARPANET network topologies under uniform CoS ratio (i.e., CoS1:CoS2:CoS3 = 1:1:1) on the metrics of connection established, bandwidth blocking probability, resource utilization ratio, and network capacity utilization. The simulation results verify that the proposed CFCoSP strategy shows significantly improved performances as compared to an existing non‐cost CoS provisioning (CoSP) strategy on the investigated metrics.

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A traffic scheduling strategy based on cost function for differentiated class of service in multi-domain optical networks

Cited by 12 publications

References 48 publications

Elastic Optical Network: A Promising Solution for Future Communication Networks Considering Differentiated CoS

Elastic Optical Network: A Promising Solution for Future Communication Networks Considering Differentiated CoS

RDMSR: A reactive defragmentation with minimum spectrum route strategy for mixed grid optical network

Cost function‐based class of service provisioning strategy in elastic optical networks

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