On the fairness of dynamic bandwidth allocation schemes in Ethernet passive optical networks

Bai, Xiaoqing; Shami, Abdallah; Assi, Chadi

doi:10.1016/j.comcom.2006.01.005

Cited by 88 publications

(51 citation statements)

References 11 publications

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“…We combine this with the Iterative excess allocation [8] which iteratively allocates excess bandwidth to ONUs in an effort to maximize the number of satisfied ONUs. By maximizing the number of satisfied ONUs, unused slot remainders are minimized.…”

Section: Comparison Of Ipact-limited and Offline Excess Bandwidth Dismentioning

confidence: 99%

“…denote the weight of ONU i in a weighted fair excess division [8]. We define an excess bandwidth credit pool and let E t [Bytes] denote the current total amount of bandwidth credits in the excess pool.…”

Section: Online Excess Bandwidth Distribution (Oebd)mentioning

confidence: 99%

“…Following the seminal work [1], several refinements and a range of different mechanisms have been proposed for excess bandwidth distribution. The research in [8], for instance, significantly advanced excess bandwidth allocation by introducing a weighted excess division technique that enforces fair division of the total excess bandwidth among the overloaded ONUs requesting more than G max i . Several studies explored further refinements of excess bandwidth distribution to incorporate features, such as differentiated services, see e.g., [9] and traffic prediction, see e.g., [10].…”

Section: Related Workmentioning

confidence: 99%

“…We initially consider IPACT-Limited bandwidth allocation in conjunction with (a) the offline scheduling framework, where all ONU Reports must be received before allocating bandwidth, which idles the upstream channel for one round Among the many different excess distribution schemes, we focus on the weighted excess division dynamic bandwidth allocation scheme from [8], which enforces fair distribution of the excess bandwidth by divided the excess according to the weights of the ONUs. We combine this with the Iterative excess allocation [8] which iteratively allocates excess bandwidth to ONUs in an effort to maximize the number of satisfied ONUs.…”

Section: Comparison Of Ipact-limited and Offline Excess Bandwidth Dismentioning

confidence: 99%

“…We initially consider an EPON with M = 16 ONUs, each with a 10 MByte buffer. We consider round trip (RT T ) propagation delays (ONU to OLT and back to ONU) for shortrange ( [8,10]µs corresponding to OLT-to-ONU distances up to 1 km), mid-range ([13.36, 100]µs corresponding to OLT-to-ONU distances up to 10 km), longrange ([0.8, 1]ms corresponding to OLT-to-ONU distances up to 100 km), and extra long-range ([1.6, 2]ms corresponding to OLT-to-ONU distances up to 200 km) EPONs; for each range the different ONUs draw their RTT independently randomly from a uniform distribution over the respective intervals.…”

Section: Simulation Set-upmentioning

confidence: 99%

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When Are Online and Offline Excess Bandwidth Distribution Useful in EPONs?

Ferguson

McGarry

Reisslein

2009

Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering

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Abstract. Excess bandwidth distribution techniques have recently been proposed to improve the dynamic bandwidth allocation in EPONs. We compare existing offline excess bandwidth distribution with conventional IPACT Limited in terms of packet delay performance. We identify the factors that result in packet delay reduction with excess bandwidth distribution compared to IPACT-Limited and discover that existing offline excess distribution mechanisms become unstable at moderate to high loads in long-range EPONs with large round trip propagation delays. We propose and evaluate a novel Online Excess Bandwidth Distribution (OEBD) mechanism to provide stable excess bandwidth distribution even at high loads in long-range EPONs.

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Section: Comparison Of Ipact-limited and Offline Excess Bandwidth Dismentioning

confidence: 99%

Section: Online Excess Bandwidth Distribution (Oebd)mentioning

confidence: 99%

Section: Related Workmentioning

confidence: 99%

Section: Comparison Of Ipact-limited and Offline Excess Bandwidth Dismentioning

confidence: 99%

Section: Simulation Set-upmentioning

confidence: 99%

See 3 more Smart Citations

When Are Online and Offline Excess Bandwidth Distribution Useful in EPONs?

Ferguson

McGarry

Reisslein

2009

Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering

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Addressing the interdependence in providing fair and efficient bandwidth distribution in hybrid optical‐wireless networks

Sarigiannidis

Nicopolitidis

2015

Int J Communication

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Summary The convergence of optical and wireless technologies may offer a compelling network access infrastructure because these technologies combine major benefits such as large coverage in the wireless part and huge bandwidth in the optical part of the converged access network. The convergence of the passive optical networks with 4G wireless standards, such as the Worldwide Interoperability for Microwave Access and the Long Term Evolution, constitutes a quite attractive solution to meet the challenges of the modern bandwidth‐hungry access networks. One of the most important objective a modern access network has to address is the adequate bandwidth distribution to the final users. In addition, several other aims are emerged towards this goal, such as fairness and quality of service provisioning. The adversity of designing an efficient bandwidth distribution scheme for hybrid optical‐wireless access networks lies in the interdependence of both domains: the bandwidth distribution in the wireless domain depends on the optical transmission grant opportunities, while the bandwidth coordinator in the optical part has to be aware of the mobile user heterogeneity in the wireless domain. Moreover, the bandwidth decision‐making module in both networks has to be aware of providing a fair allocation independently of the number of mobile users or the traffic requests in the network. In this work, we endeavor to address the aforementioned challenges. A novel, fair, and efficient bandwidth distribution scheme is proposed for hybrid optical‐wireless access networks. By using weighted fairness provisioning techniques, the proposed scheme intends to alleviate the interdependence of the two domains, offering a fair and efficient bandwidth distribution to the mobile users. The weights are properly defined, by utilizing suitable optimization techniques such as the Lagrange multiplies, so as to incorporate the underlying features of each traffic requests, such as the population density and the propagation delay. Extensive simulation results indicate the capability of the proposed scheme, compared with other competitive allocation schemes, in provisioning a more efficient and fair bandwidth distribution in terms of latency, throughput, and packet drop ratio. Copyright © 2015 John Wiley & Sons, Ltd.

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MultiChannel EPONs

McGarry

Reisslein

2009

Optical Networks

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On the fairness of dynamic bandwidth allocation schemes in Ethernet passive optical networks

Cited by 88 publications

References 11 publications

When Are Online and Offline Excess Bandwidth Distribution Useful in EPONs?

When Are Online and Offline Excess Bandwidth Distribution Useful in EPONs?

Addressing the interdependence in providing fair and efficient bandwidth distribution in hybrid optical‐wireless networks

MultiChannel EPONs

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