Resource Allocation and QoS Guarantees for Real World IP Traffic in Integrated XG-PON and IEEE802.11e EDCA Networks

Ravneet Kaur, Akshita Gupta, Anand Srivastava, Bijoy Chand Chatterjee, Abhijit Mitra, Byrav Ramamurthy, Vivek Ashok Bohara
January 2020
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Abstract

Globally, there is a significant rise in the number of connected devices. Every device has an access to wide variety of telecom services among which voice, video and best effort (BE) contribute significantly. There is a noticeable growing trend towards upstream BE traffic besides real time e-services that demand high quality of service (QoS). Converged next-generation fiber-wireless (FiWi) access networks composed of next-generation passive optical network (XG-PON) and 802.11n based wireless local area network (WLAN) has emerged as a suitable choice to provide high quality and affordable e-services to plenty of subscribers as they possess both high bandwidth and flexibility. In this paper, we study the performance of the integrated network architecture which combines XG-PON and enhanced distributed channel access (EDCA) under real time bursty traffic derived from the current global IP traffic distribution. The joint tuning of various crucial parameters of both XG-PON and EDCA with incorporation of an efficient deficit dynamic bandwidth algorithm (DBA) at optical line terminal (OLT) is done by exhaustive simulations in network simulator-3 (NS-3). Through intensive simulations and tuning, we are able to achieve a end-to-end delay performance of textless; 150 ms for voice, textless; 500 ms for video and a few seconds for BE upto full capacity. Also, a packet loss ratio (PLR) of textless; 3% and textless; 6% is achieved for voice and BE respectively upto full load. For voice PLR is textless; 1% upto 60% total offered load. Further, it is observed that the fine tuning of key parameters has also resulted in increased bandwidth for dominant BE services. Therefore, this optimized network architecture is 20% more fair to BE services as compared to the conventional integrated FiWi architectures.

Type
Journal article
Publication
IEEE Access
Bandwidth Quality of Service Telecommunication Traffic Resource Allocation IP Networks Streaming Media Bandwidth Allocation Next Generation Networks Real Time Systems Delays Channel Access Conventional Integrated FiWi Architectures DBA Dynamic Bandwidth Algorithm EDCA Enhanced Distributed Channel Access Fiber-Wireless (FiWi) Global IP Traffic Global IP Traffic Distribution IEEE802.11e EDCE Networks Integrated Network Architecture Integrated XG-PON Local Area Network Network Simulator-3 Next-Generation Fiber-Wireless Access Networks Next-Generation Passive Optical Network Optical Fibre LAN Optical Line Terminal Optimizied Network Architecture Passive Optical Networks PPBP QoS Radio Access Networks Real Time E-Services Real World IP Traffic Telecom Services Time Bursty Traffic Upstream BE Traffic Voice PLR Wireless Fidelity XG-PON
Byrav Ramamurthy
Byrav Ramamurthy
Professor & PI

My research areas include optical and wireless networks, peer-to-peer networks for multimedia streaming, network security and telecommunications. My research work is supported by the U.S. National Science Foundation, U.S. Department of Energy, U.S. Department of Agriculture, NASA, AT&T Corporation, Agilent Tech., Ciena, HP and OPNET Inc.