Optical network control pdf

This tutorial is divided into distinct chapters, which explains the structural features. Home optical network control architecture protocols and standards. Optical transport networking otn, as shown in the following figure, represents a natural next step in the evolution of transport networking. The optical industry is focused on making the optical network more agile, intelligent, and applicationaware. It defines terminology like ems, me, ptp, ctp, subnetwork, subnetwork connection, topological link, pgp, equipment, equipment holder, route, crossconnect etc. The optical layer provides lightpaths to other layers such as the sonetsdh, ipmpls, and ethernet layers, as well as the electronic layer of the optical transport network otn, which includes the the optical channel transport unit otu and optical channel data unit odu sublayers see section 6. Coriant virtualized control plane vason control plane for. Advantages of fiber large bandwidthdistance product. Network control and orchestration in sdm and wdm optical networks. As it is obvious from figure 5 the ftth system comprises the optical line terminal olt on the central office co, the optical network terminal ont on the user side, and the. Optical networks are telecommunications network of high capacity. Endtoend optical signal connections pointtopoint or broadcast are called lightpaths or optical channels. An optical network unit onu is located at the curb fttc solution, or an optical network terminal ont is located at the end user location ftth, fttb solutions, to provide broadband voice, data, and video services with guaranteed quality of service.

Optical fiber networks have high capacity can be used for providing the high bandwidth services even in wireless, infrared means high bandwidth connectivity. An intelligent optical network design must include higher network layer considerations. It can be used as a reference for anyone designing, implementing, or supporting an optical network. For a full description of the text please see the following pdf file book info g. All the networks using optical fiber as transmission medium optical networks. The next two sections describe the electrical and optical interfaces so far as it is necessary to understand the optical connection. Utilize a command center model to coordinate execution and manage progress against build plans 3.

This book fills the gap between optical network engineering and routingsignalinghelping both optical and ip professionals build networks that are more robust, flexible, manageable, and profitable. The promise of the optical transport network otn is designed to address these issues by delivering a transparent framework to efficiently carry diverse traffic types. Optical transport network an overview sciencedirect topics. An optical transport network otn is an interconnection of optical switches and optical fiber links. The proposed connection will be from the olt to access point fiber access terminal distribution box fat. We cover both the areas of optical communication and optical networking to potentially stimulate new crosslayer research directions.

Architecture, protocols, and standards optical network control is the first expert guide and singlesource reference for. Optical network control is the first expert guide and singlesource reference for controlling and managing optical networks. Operating planes in the optical transport field, the control plane has been called different things by different standards bodies. Automatically switched optical network ason is an optical transport network that has dynamic connection capability. Optical networks control and management springerlink. In 1992 chambers predicted tcpip would begin rapid transitions from tcpip over broadbandisdn then to ip over atm then to ip over sonetsdh then to ip over optical. With a wide range of optical transport offerings, cisco is uniquely positioned to help carriers scale bandwidth while lowering costs and increasing service velocity through. Otn is a digital wrapper that provides an efficient and globallyaccepted way to multiplex different services onto optical light paths. Abstractas more intelligence and control mechanisms are added into optical networks, the need for the deployment of a reliable and secure management. Jun 29, 2016 ason is an optical transport network with dynamic connection capability, and this capability is achieved by using a control plane that performs the call and connection control functions. The optical elements used in such networks are only passive components, such as fibers, splitterscouplers and connectors. Introduction to automatically switched optical network ason. This article discusses optical network management, control, and operation from the point of view of a. Jul 24, 2003 optical network control is the first expert guide and singlesource reference for controlling and managing optical networks.

Then the proposed optical hub and possible network topologies are. A few of the most important reasons for migrating to the optical layer are described in this module. From a highlevel architectural perspective, one would not expect otn architectures to differ significantly from those of sdh. Optical network management and control ieee xplore. Elastic optical networks, spectrum switched optical network, control plane, flexigrid.

Optical communication networks are considered the main catalyst for the transformation of communication. A given connection is associated with quality of service qos. Optical network control and management for grid applications j. Optical network design and implementation networking. Take advantage of the increased volume to accelerate the way network equipment is procured and fulfilled 8. All the networks using optical fiber as transmission medium optical networks when transmitted signal remains in optical form till its arrival at destination alloptical network. Dec 12, 20 the architecture of the cisco wavelength switched optical network wson control plane for the cisco ons 15454 mstp enhances gmpls capabilities with awareness of wavelength properties and optical impairments, offering dynamic service provisioning and restoration on a flexible dwdm network. Planning and provisioning strategies for optical core networks diva. Control and management issues in alloptical networks citeseerx. A related, but more generic, term is automatic switched transport network astn 2. Optical network drivers many factors are driving the need for optical networks. Cisco 100 gigabit solutions are supported by a validated, robust optical foundation.

Paul goransson, chuck black, in software defined networks, 2014. Optical network control architecture protocols and standards pdf. We present the first sdnenabled multidomain multilayer wdmsdm control architecture for partially disaggregated optical networks with multiple wdm and sdm ols domains and transponders to provision endtoend tapi connectivity services involving spatial and optical channels. Optical network design and implementationcontains a broad range of technical details on multiservice optical networking and covers optical networking theory, design, and configuration by providing informative text, illustrations, and examples. Ason automatically switched optical network is a concept for the evolution of transport networks which allows for dynamic policydriven control of an optical or sdh network based on signaling between a user and components of the network. Oct 06, 2010 optical network management this technical report serves as a short introduction to the terminology and concepts behind practical optical network management. Fiber capacity the first implementation of what has emerged as the optical network began on routes that were fiber limited. This is the only book currently on the market that addresses optical networks from the physical layer to the network layer and should be valuable for those who try to understand the intricacies of what. Network and operations planning for telecommunications. From a highlevel architectural perspective, one would not expect otn architectures. They transmit bits using various encoding and multiplexing techniques. The future optical network management and control plane is expected to be more versatile, scalable, automatic, and resourceefficient. Pdf optical network control and management for grid.

All the networks using optical fiber as transmission medium optical networks when transmitted signal remains in optical form till its arrival at destination all optical network. A comprehensive survey akhilesh thyagaturu, anu mercian, michael p. Atutorialonopticalnetworks nc state computer science. This book fills the gap between optical network engineering and routing. Design and implementation of a practical ftth network. Ason aims to automate the resource and connection management within the network. With multiple clients transported on a single wavelength, otn provides an economical mechanism to fill optical network wavelengths.

The physical network topology that best supports traffic demand generally varies with the segments core, metro, access of the optical networking structure. In the ietf, the optical control plane is referred to as generalized multiprotocol label switching, or gmpls 1. Giving service providers the tools to reliably shift their operating model from configuring to programming brings a radical transformative opportunity with unparalleled intelligence and service agility. Research on network management and operations in a transparent, reconfigurable. The optical path that consists of these components is called the optical distribution network odn. The book on optical network control grotto networking. Optical networks digital networks for mission critical. Network control and orchestration in sdm and wdm optical. I worked at cisco for a time in 2002 as a systems engineer in their optical network engineering group. A multilayer control plane architecture for ip and optical convergence flexible light orchestration of wavelengths white paper pdf 1 mb optical transport solutions packet optical convergence. This capability is accomplished by using a control plane that performs the call and connection control functions 1. Opticalnetwork drivers many factors are driving the need for optical networks. Giving service providers the tools to reliably shift their operating model from configuring to programming brings a radical transformative opportunity with.

Optical network elements support ondemand provisioning of connectivity and capacity where required in the network, thus permitting the construction of thin, but. University academy formerlyip university cseit 11,470 views. Uinta basin oilfield broadband wireless mesh network english pdf reference case study communications solutions for mining industries kghm polska miedz s. For a full description of the text please see the following pdf file book info.

Optical impairmentaware wson control plane for cisco ons. They are based on optical technologies and components, and are used to route, groom, and restore wavelength levels and wavelengthbased services. Architecture, protocols, and standards, 2004, addisionwesley. An overview on application of machine learning techniques in.

Optical network control architecture protocols and standards. Ason is an optical transport network with dynamic connection capability, and this capability is achieved by using a control plane that performs the call and connection control functions. Beyond the standard functionalities of a distributed gmpls control plane, vason provides improved multilayer coordination for otndwdm and packet optical transport networks, better utilization of network resources, and a significant. Optical networking technology is well suited to meet the above challenges. Optical fiber uses carrier frequency of the order of 10 15 hz.

Challenges and requirements of a control plane for elastic optical. Mesh optical network ipmpls subnetwork control path data path uni uni ipmpls subnetwork fig. The vason control plane intelligence brings further benefits to the operator. Its aim is to automate the resource and connection management within the network. Pdf optical network management and control velagandula. Goff hill, chief network architect, altamar networks, uk i really enjoy the bottomsup approach taken by the authors to address fundamentals of optical components as the enablers, optical transmission system design and engineering as the building blocks, and network architecture and its management. Consequently, network control and management system that can efficiently allocate optical fiber spectrum resources and support energyefficient operation will be another exciting nearterm research focus.