6 March 2017 Dynamic bandwidth allocation based on multiservice in software-defined wavelength-division multiplexing time-division multiplexing passive optical network
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Abstract
The wavelength-division multiplexing passive optical network (WDM-PON) is a potential technology to carry multiple services in an optical access network. However, it has the disadvantages of high cost and an immature technique for users. A software-defined WDM/time-division multiplexing PON was proposed to meet the requirements of high bandwidth, high performance, and multiple services. A reasonable and effective uplink dynamic bandwidth allocation algorithm was proposed. A controller with dynamic wavelength and slot assignment was introduced, and a different optical dynamic bandwidth management strategy was formulated flexibly for services of different priorities according to the network loading. The simulation compares the proposed algorithm with the interleaved polling with adaptive cycle time algorithm. The algorithm shows better performance in average delay, throughput, and bandwidth utilization. The results show that the delay is reduced to 62% and the throughput is improved by 35%.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
Fu Wang, Bo Liu, Lijia Zhang, Feifei Jin, Qi Zhang, Qinghua Tian, Feng Tian, Lan Rao, Xiangjun Xin, "Dynamic bandwidth allocation based on multiservice in software-defined wavelength-division multiplexing time-division multiplexing passive optical network," Optical Engineering 56(3), 036104 (6 March 2017). https://doi.org/10.1117/1.OE.56.3.036104 . Submission: Received: 20 November 2016; Accepted: 14 February 2017
Received: 20 November 2016; Accepted: 14 February 2017; Published: 6 March 2017
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