scholarly journals Quality of service and reliability in optical network

2012 ◽  
Vol 3 (1) ◽  
pp. 181-184
Author(s):  
Jitendra Saxena
Keyword(s):  
Quality Of Service ◽  
Optical Network

scholarly journals Analisa Kualitas Delay Video on Demand Useetv Menggunakan Serat Optik Di Area Purwokerto

2017 ◽  
Vol 18 (2) ◽  
pp. 83
Author(s):  
Widhiatmoko Herry Purnomo ◽  
Farida Asrian
Keyword(s):  
Quality Of Service ◽  
Optical Network ◽  
Internet Protocol ◽  
Video On Demand ◽  
Passive Optical Network ◽  
On Demand

Video on Demand adalah salah satu layanan UseeTV IndiHome PT. Telekomunikasi Indonesia, Tbk berbasis IP (Internet Protocol).  Video on Demand (VoD) merupakan salah satu fitur dari UseeTV yang memungkinkan pelanggan untuk dapat melakukan perekaman, penyimpanan dan penayangan kembali acara televise tertentu. Untuk mendapatkan kinerja yang baik maka layanan ini membutuhkan bandwidth yang cukup besar. Teknologi Gigabit-Capable Passive Optical Network (GPON) menjadi teknologi yang dapat mendukung layanan ini. Dalam layanan UseeTV, aktifitas jalur downstream menjadi perlakuan khusus, sehingga Quality of Service (QoS) dan kepadatan trafik perlu diperhatikan.Salah satu parameter yang berpengaruh terhadap layanan UseeTV adalah delay. Semakin kecil nilai delay  maka akan semakin baik juga layanan UseeTV yang diterima oleh pelanggan. 

Designing a green optical network unit using ARMA-based traffic prediction for quality of service-aware traffic

2016 ◽  
Vol 32 (3) ◽  
pp. 407-421 ◽  
Author(s):  
Chayan Bhar ◽  
Nilesh Chatur ◽  
Atri Mukhopadhyay ◽  
Goutam Das ◽  
Debasish Datta
Keyword(s):  
Quality Of Service ◽  
Optical Network ◽  
Traffic Prediction ◽  
Optical Network Unit

scholarly journals A Spectrum Defragmentation Algorithm Using Jellyfish Optimization Technique in Elastic Optical Network (EON)

2021 ◽  
Author(s):  
Selvakumar S ◽  
S S Manivannan
Keyword(s):  
Quality Of Service ◽  
Blocking Probability ◽  
Optical Network ◽  
Optimization Technique ◽  
Spectrum Utilization ◽  
Network Efficiency ◽  
Internet Service ◽  
Cloud Data ◽  
Elastic Optical Network

Abstract The rapid growth of the technologies, high bandwidth applications and cloud data centers consume heavy internet service. So, the consumer of the internet expects a high capacity medium for communication. The Elastic Optical Network (EON) provides a flexible and reliable transmission service for the consumers. The spectrum fragmentation is a key challenge in EON. In simple terms, unaligned Frequency Slots (FSs) in the network are referred to as fragmented spectrum, while in defragmentation, the available FSs need to be rearranged to create room for the new connection requests. The problem in defragmentation occurs due to the lack of a continuous spectrum and it leads to depreciation in spectrum usage and simultaneously increasing the Blocking Probability (BP) which disrupts the majority of the existing connections in the network. Several techniques and approaches were suggested to reduce the possibility of disruption and reconfiguration in the network while defragmenting the frequency slots. This paper proposes a new algorithm to overcome the drawbacks and improvement in the quality of service of the network. The proposed algorithm holds the approach of proactive and reactive along with the meta-heuristic nature-inspired optimization technique called Jellyfish Search Optimization (JSO). The proposed combination, PR-DF-JFSO outperforms well in terms of spectrum utilization, network efficiency, and quality of service offered when compared to the state-of-the-art spectrum defragmentation algorithms according to the results of experiments done using standard quality metrics.

scholarly journals A Hybrid Bandwith Allocation Algorithm for EPON-WiMAX Integrated Networks Based on Auction Process

2021 ◽  
Author(s):  
Mohamed Ahmed Maher ◽  
Fathi Abd El-samie ◽  
Osama Zahran
Keyword(s):  
Quality Of Service ◽  
Bandwidth Allocation ◽  
Service Providers ◽  
Stackelberg Game ◽  
Optical Network ◽  
Service Level ◽  
Passive Optical Network ◽  
Allocation Strategy ◽  
Integrated Networks

Abstract Integration of Ethernet passive optical network (EPON) and WiMAX technologies is viewed as a great solution for next-generation broadband access networks. In the systems adopting this strategy, weighty bandwidth allocation schemes are fundamental to fulfil the quality of service (QoS) and fairness requirements of different traffic classes. Existing proposals to overcome the bandwidth allocation problem in EPON/WiMAX networks dismiss collaboration between the self-interested EPON and WiMAX service providers (WSPs). This study presents a novel EPON-based semi-dynamic bandwidth allocation (S-DBA) method that shows points of interest in the integration process. In the proposed algorithm depending on the auction process, the optical line terminal runs an auction to adequately post the optical network unit bandwidth that distributes the most elevated bidders based on the measurement of the accessible bandwidth. Simulation results demonstrate massive upgrades compared with fair sharing using dual-service-level agreements, ‘limited service’ interleaved polling with adaptive cycle time methods, bandwidth allocation strategy using Stackelberg game, and bandwidth allocation strategy using coalition game regarding the quality of service parameters such as throughput and time delay. This will be extremely helpful for optical system upgrading and improvement with minimal effort.

Reduction of Blocking Probability in Generalized Multi-Protocol Label Switched Optical Networks

2019 ◽  
Vol 0 (0) ◽  
Author(s):  
Monika Dhawan ◽  
Simranjit Singh ◽  
Amit Wason
Keyword(s):  
Mathematical Model ◽  
Quality Of Service ◽  
Optical Networks ◽  
Blocking Probability ◽  
Optical Network ◽  
Traffic Intensity ◽  
Call Blocking ◽  
Proposed Model ◽  
Mode Of Operation

AbstractThe blocking probability is studied for improving the quality of service of the network. The call blocking model for mode of operation to determine the types of applications suitable for Generalized Multi-Protocol Label Switched (GMPLS) networks is proposed. The performance of optical network depends upon various parameters such as number of channels, number of sources, traffic intensity which directly affect the blocking probability of the network. A mathematical model of an optical network for blocking probability of cleared calls and holding calls is developed. In the proposed model, blocking probability of the network gets reduced with a large number of servers. The proposed models decrease the blocking probability of the network to a level of 10–40. In addition, the blocking performance for held calls is also analyzed to compare the amount of traffic intensity that can be handled and completed properly with that of the cleared calls probability. The blocking probability is less for cleared calls than that for held calls as more traffic intensity can be handled in case of cleared calls but the chances for call completion increases in case of held calls.

Experimental Investigation of Quality of Service in an IP All-Optical Network Adopting Wavelength Conversion

2009 ◽  
Vol 1 (2) ◽  
pp. A170 ◽  
Author(s):  
Alessandro Valenti ◽  
Sergio Pompei ◽  
Luca Rea ◽  
Francesco Matera ◽  
Giorgio Tosi Beleffi ◽  
...  
Keyword(s):  
Experimental Investigation ◽  
Quality Of Service ◽  
Wavelength Conversion ◽  
Optical Network ◽  
All Optical ◽  
All Optical Network
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