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Bandwidth Utilization and Management Algorithms (BUMAs) for NG-EPON

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Abstract

An upcoming capable technology named as Next generation Ethernet passive optical network (NG-EPON); to handle enormous bandwidth and effective distribution requirements for prospective Internet based services. Standardization procedures for NG-EPON are in progress. Transmission of data traffic from Optical Network Units (ONUs) towards Optical Line Terminal (OLT) in NG-EPON is carried out through four wavelengths each operating at a data rate of 25Gbps. Dynamic wavelength and bandwidth allocation (DWBA) algorithms are needed for the efficient arbitration of the bandwidth resources between the subscribers. In this paper, we have proposed two different DWBA algorithms for NG-EPON; DWBA-I and DWBA-II. DWBA-I is a Quality-of-Service based algorithm that has been designed to manage the different types of data traffic in NG-EPON. DWBA-I performs better than the different existing DBA algorithms in terms of packet delay, completion time and packet drop ratio. DWBA-II is an algorithm designed to meet the system requirement specifications of NG-EPON and handle traffic requirements of subscribers in a cost effective manner. DWBA-II algorithm is comparatively analyzed and evaluated with First-Fit-DWBA and Modified-IPACT algorithms. Performance of DWBA-II is better on the basis of average delay, grant utilization, completion time and packets drop ratio. Performance of DWBA-I and DWBA-II has been evaluated through simulation results.

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Authors and Affiliations

  1. Department of Computer Science and Engineering, University of Engineering and technology, Lahore, Pakistan

    Ammar Rafiq & Muhammad Faisal Hayat

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  1. Ammar Rafiq
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  2. Muhammad Faisal Hayat
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Rafiq, A., Hayat, M.F. Bandwidth Utilization and Management Algorithms (BUMAs) for NG-EPON. J Netw Syst Manage 28, 1522–1546 (2020). https://doi.org/10.1007/s10922-020-09548-7

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  • DOI: https://doi.org/10.1007/s10922-020-09548-7

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