The Experts below are selected from a list of 34440 Experts worldwide ranked by ideXlab platform
Frank Slyne - One of the best experts on this subject based on the ideXlab platform.
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virtual dba virtualizing passive optical networks to enable multi service operation in true multi tenant environments
IEEE\ OSA Journal of Optical Communications and Networking, 2020Co-Authors: Marco Ruffini, Arsalan Ahmad, Sanwal Zeb, Nima Afraz, Frank SlyneAbstract:This paper presents the concept of virtual dynamic bandwidth allocation (DBA), a method we propose to virtualize upstream Capacity Scheduling in passive optical networks (PONs), which provides multiple independent virtual network operators with the ability to precisely schedule their upstream traffic allocation. After a brief introduction on the evolution of access network sharing, we present our virtual DBA architecture, detailing its main components. We then provide a summary of the work done in this area from both theoretical and practical implementation perspectives. In this paper, we propose a novel stateless algorithm for merging multiple independent virtual bandwidth maps based on priority classes and analyze its performance in terms of efficiency of Capacity allocation and latency. Through our results, we discuss the existence of a trade-off between traffic load and grant size distribution versus efficiency and latency. We find that, different from a residential single-tenant application, when PONs are used for low-latency and multi-tenant applications, the system has better overall performance if grants are allocated in small size. In addition, our analysis shows that for high-priority, strict latency services, our proposed merging algorithm presents delay performance that is independent of the traffic distribution considered.
Marco Ruffini - One of the best experts on this subject based on the ideXlab platform.
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virtual dba virtualizing passive optical networks to enable multi service operation in true multi tenant environments
IEEE\ OSA Journal of Optical Communications and Networking, 2020Co-Authors: Marco Ruffini, Arsalan Ahmad, Sanwal Zeb, Nima Afraz, Frank SlyneAbstract:This paper presents the concept of virtual dynamic bandwidth allocation (DBA), a method we propose to virtualize upstream Capacity Scheduling in passive optical networks (PONs), which provides multiple independent virtual network operators with the ability to precisely schedule their upstream traffic allocation. After a brief introduction on the evolution of access network sharing, we present our virtual DBA architecture, detailing its main components. We then provide a summary of the work done in this area from both theoretical and practical implementation perspectives. In this paper, we propose a novel stateless algorithm for merging multiple independent virtual bandwidth maps based on priority classes and analyze its performance in terms of efficiency of Capacity allocation and latency. Through our results, we discuss the existence of a trade-off between traffic load and grant size distribution versus efficiency and latency. We find that, different from a residential single-tenant application, when PONs are used for low-latency and multi-tenant applications, the system has better overall performance if grants are allocated in small size. In addition, our analysis shows that for high-priority, strict latency services, our proposed merging algorithm presents delay performance that is independent of the traffic distribution considered.
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Frame Level Sharing for DBA virtualization in multi-Tenant PONs
2017 21st International Conference on Optical Network Design and Modeling ONDM 2017 - Conference Proceedings, 2017Co-Authors: Amr Elrasad, Marco RuffiniAbstract:© 2017 IFIP. The worldwide installation of Fiber-To-The-premises (FTTP) access network solutions is hindered by the high upfront cost of deploying ubiquitous fiber infrastructure. While passive optical networks can provide lower cost compared to point-To-point solutions, their total cost of ownership is still high for most operators to justify a mass scale deployment. Sharing passive optical network (PON) infrastructure has thus been proposed as a solution for network operators to reduce the cost of running FTTP services. In addition, the ability for operators to offer business services (including for example mobile backhaul) in addition to residential services, is crucial to increase the overall PON network revenue. However running services with highly diverse requirements over a physical infrastructure shared among multiple operators (which we now refer to as virtual network operators-VNOs) requires VNOs to have a tight control over PON Capacity Scheduling. In this paper, we introduce a novel upstream PON Capacity sharing algorithm called Frame Level Sharing (FLS). FLS is based on the idea of virtual Dynamic Bandwidth Assignment (vDBA), and allows sharing the upstream frame among multiple VNOs to maximize bandwidth utilization, minimize latency, and provide a high level of service isolation among the VNOs sharing the PON. Our simulation results show that FLS outperforms other benchmark algorithms proposed in the literature.
Arsalan Ahmad - One of the best experts on this subject based on the ideXlab platform.
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virtual dba virtualizing passive optical networks to enable multi service operation in true multi tenant environments
IEEE\ OSA Journal of Optical Communications and Networking, 2020Co-Authors: Marco Ruffini, Arsalan Ahmad, Sanwal Zeb, Nima Afraz, Frank SlyneAbstract:This paper presents the concept of virtual dynamic bandwidth allocation (DBA), a method we propose to virtualize upstream Capacity Scheduling in passive optical networks (PONs), which provides multiple independent virtual network operators with the ability to precisely schedule their upstream traffic allocation. After a brief introduction on the evolution of access network sharing, we present our virtual DBA architecture, detailing its main components. We then provide a summary of the work done in this area from both theoretical and practical implementation perspectives. In this paper, we propose a novel stateless algorithm for merging multiple independent virtual bandwidth maps based on priority classes and analyze its performance in terms of efficiency of Capacity allocation and latency. Through our results, we discuss the existence of a trade-off between traffic load and grant size distribution versus efficiency and latency. We find that, different from a residential single-tenant application, when PONs are used for low-latency and multi-tenant applications, the system has better overall performance if grants are allocated in small size. In addition, our analysis shows that for high-priority, strict latency services, our proposed merging algorithm presents delay performance that is independent of the traffic distribution considered.
Nima Afraz - One of the best experts on this subject based on the ideXlab platform.
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virtual dba virtualizing passive optical networks to enable multi service operation in true multi tenant environments
IEEE\ OSA Journal of Optical Communications and Networking, 2020Co-Authors: Marco Ruffini, Arsalan Ahmad, Sanwal Zeb, Nima Afraz, Frank SlyneAbstract:This paper presents the concept of virtual dynamic bandwidth allocation (DBA), a method we propose to virtualize upstream Capacity Scheduling in passive optical networks (PONs), which provides multiple independent virtual network operators with the ability to precisely schedule their upstream traffic allocation. After a brief introduction on the evolution of access network sharing, we present our virtual DBA architecture, detailing its main components. We then provide a summary of the work done in this area from both theoretical and practical implementation perspectives. In this paper, we propose a novel stateless algorithm for merging multiple independent virtual bandwidth maps based on priority classes and analyze its performance in terms of efficiency of Capacity allocation and latency. Through our results, we discuss the existence of a trade-off between traffic load and grant size distribution versus efficiency and latency. We find that, different from a residential single-tenant application, when PONs are used for low-latency and multi-tenant applications, the system has better overall performance if grants are allocated in small size. In addition, our analysis shows that for high-priority, strict latency services, our proposed merging algorithm presents delay performance that is independent of the traffic distribution considered.
Sanwal Zeb - One of the best experts on this subject based on the ideXlab platform.
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virtual dba virtualizing passive optical networks to enable multi service operation in true multi tenant environments
IEEE\ OSA Journal of Optical Communications and Networking, 2020Co-Authors: Marco Ruffini, Arsalan Ahmad, Sanwal Zeb, Nima Afraz, Frank SlyneAbstract:This paper presents the concept of virtual dynamic bandwidth allocation (DBA), a method we propose to virtualize upstream Capacity Scheduling in passive optical networks (PONs), which provides multiple independent virtual network operators with the ability to precisely schedule their upstream traffic allocation. After a brief introduction on the evolution of access network sharing, we present our virtual DBA architecture, detailing its main components. We then provide a summary of the work done in this area from both theoretical and practical implementation perspectives. In this paper, we propose a novel stateless algorithm for merging multiple independent virtual bandwidth maps based on priority classes and analyze its performance in terms of efficiency of Capacity allocation and latency. Through our results, we discuss the existence of a trade-off between traffic load and grant size distribution versus efficiency and latency. We find that, different from a residential single-tenant application, when PONs are used for low-latency and multi-tenant applications, the system has better overall performance if grants are allocated in small size. In addition, our analysis shows that for high-priority, strict latency services, our proposed merging algorithm presents delay performance that is independent of the traffic distribution considered.
