Topic
10G-PON
About: 10G-PON is a research topic. Over the lifetime, 1675 publications have been published within this topic receiving 27843 citations. The topic is also known as: XG-PON.
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Papers
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TL;DR: The purpose of this article is to provide a good understanding of the MAC issue, discuss the major problems involved, and present an overview of the state-of-the-art solutions proposed thus far to the problems.
Abstract: Medium access control is one of the crucial issues in the design of Ethernet passive optical networks. To ensure efficient transmission, an EPON system must employ a MAC mechanism to arbitrate access to the shared medium in order to avoid data collisions in the upstream direction and at the same time efficiently share the upstream transmission bandwidth among all ONUs. The purpose of this article is to provide a good understanding of the MAC issue, discuss the major problems involved (e.g., multiple access, bandwidth allocation, transmission scheduling, and quality of service support), and present an overview of the state-of-the-art solutions proposed thus far to the problems. It is also our purpose to motivate further studies on the problems described in this article
122 citations
22 Sep 2000
TL;DR: In this paper, a burst optical deflection routing protocol is proposed to reduce the blocking probability and increase the performance of burst switching WDM optical networks by using idle optical links as fiber delay lines for contention resolution.
Abstract: Given the significant progress made and the continuing advances expected in the optical networking technology, it becomes attractive to build a future Optical Internet that natively supports bursty IP datagrams. Burst switching WDM optical networks are touted as suitable network architectures for future Optical Internet backbones. However, the lack of optical processing capabilities results in increased burst blocking probability, which in turn leads to very limited network performance. Efficient contention resolution method is therefore necessary. Based on discussions of the state of the art of recent optical technologies, a burst optical deflection routing protocol is proposed. The idea of this approach is to use idle optical links as fiber delay lines for contention resolution. Simulation results show that the proposed protocol is available solution for effectively reducing the blocking probability and increasing the performance of burst switching WDM optical networks.
121 citations
Book•
01 Jul 2003
TL;DR: Optical Network Control is the first expert guide and single-source reference for controlling and managing optical networks as discussed by the authors, which fills the gap between optical network engineering and routing/signaling, helping both optical and IP professionals build networks that are more robust, flexible, manageable, and profitable.
Abstract: Optical Network Control is the first expert guide and single-source reference for controlling and managing optical networks. This book fills the gap between optical network engineering and routing/signaling-helping both optical and IP professionals build networks that are more robust, flexible, manageable, and profitable. Coverage includes: Designing networks to deliver a range of on-demand services from mission-critical, time-sensitive protected services to low-cost unprotected services Network control and operations in WDM/DWDM and SONET/SDH environments Control principles and features for evolving mesh-based optical networks and existing ring networks-with practical examples Emerging, proposed, and future optical routing/signaling protocols and standards including GMPLS, ASON and Optical UNI Optical network control planes: design, scenarios, interworking, and interactions with existing network management systems Crucial IETF, ITU-T, OIF, ANSI, Bellcore, and industry information-brought together for the first time
116 citations
TL;DR: A new optics-based transport architecture that emulates fast switching in the network core via emerging fast tunable lasers at the network edge, and bypasses the need for fast optical switching and buffering is presented.
Abstract: We present a new optics-based transport architecture that emulates fast switching in the network core via emerging fast tunable lasers at the network edge, and bypasses the need for fast optical switching and buffering. The new architecture is capable of handling both asynchronous and synchronous traffic, for dealing with various bandwidth granularities and responding to dynamic changes in end-to-end traffic demands. The architecture also reduces the amount of layering in the transport network by eliminating packet and TDM switching, keeps the network core light (lightweight and transparent), and pushes intelligence to the network edge. We discuss technical challenges that arise in the new architecture and describe possible approaches to address them.
115 citations
Patent•
24 Jun 2009
TL;DR: In this article, an improved symmetric coupler arrangement is proposed to provide fiber failure protection in passive optical networks (PONs) at low cost and with minimal modification, which is readily implemented with minimal modifications.
Abstract: Methods and apparatus for providing enhanced optical networking service and performance which are particularly advantageous in terms of low cost and use of existing infrastructure, access control techniques, and components. In the exemplary embodiment, current widespread deployment and associated low cost of Ethernet-based systems are leveraged through use of an Ethernet CSMA/CD MAC in the optical domain on a passive optical network (PON) system. Additionally, local networking services are optionally provided to the network units on the PON since each local receiver can receive signals from all other users. An improved symmetric coupler arrangement provides the foregoing functionality at low cost. The improved system architecture also allows for fiber failure protection which is readily implemented at low cost and with minimal modification.
112 citations