Performance analysis of a congested and uncongested communication network

Ahamed, Afsana; Vakilzadian, Hamid; Sun, Hao; Möller, Dietmar P. F.

doi:10.1109/eit.2017.8053427

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(2 citation statements)

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“…However, throughput became saturated when the queue size and interarrival rate were beyond the critical point for all cases. The performance of Case (b) and Case (c) were compared (Ahamed, Sun, Vakilzadian, & Möller, 2017), and Case (b) had better performance as compared to other scenarios in terms of packet drop rate and queue size. However, in Case (c), the average E2E delay was higher.…”

Section: Discussionmentioning

confidence: 99%

“…IV is a comparison of the E2E delay and packet drop rate for Case (b) when a link was added and Case (c) when a link was removed. Adding an extra link reduced the packet drop rate and service rate(Ahamed, Sun, Vakilzadian, & Möller, 2017); however, it increased the average E2E delays, requiring less queue size. The performance and behavior of the sequential server queuing models in this study were consistent with…”

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Traffic Analysis of a Congested and Uncongested Network in a Sequential Server Model

Ahamed¹,

Vakilzadian²

2020

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The efficient flow of messages in a communication network is crucial in today’s dynamic environment. These networks are designed to transmit messages in the shortest amount of time. The source sends the messages to the destination through single or multiple servers. Each server contains a buffer that queues the incoming messages when it is busy. This study analyzed the traffic behavior of uncongested and congested wired communication networks for limited and unlimited queue sizes in multiserver configurations with a sequential server model. The performance of the network was measured using three cases: varying the packet length, adding an extra link, and with a broken link connecting the two servers. The performance of the wired communication networks for these three cases was measured based on packet drop rate, throughput, and average end-to-end delay using the OMNeT++ network simulator. Limited and unlimited queue sizes for a sequential server in the network were implemented and simulated to measure the interarrival rate and packet length for optimum performance. For various interarrival rates, the optimum throughput was measured for different queue sizes. The performance with a broken link or the addition of an extra link was assessed and compared with the sequential server model.

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%