Our main objective is not to propose new protocols or algorithms, but rather to provide guidance to network operators on how to maximize the benefits of deploying a gmpls control plane. Also, the optical control plane must be able to operate across network boundaries, both at the edge interface to the customers equipment and at administrative domain. In an ason architecture, each device should be equipped with a control plane. Pdf control plane design for reliable optical networks.
It outperforms the software version by 80 times in the order of subseconds. Ciena network architect loudon blair provides an overview of an intelligent optical control plane, and how it simplifies the connectivity across an optical network. The control plane also integrates well with mesh networks. This traffic evolution is pushing network operators to efficiently exploit their infrastructures in order to postpone, as much as possible, the expensive deployment of new. Gmpls, sdn, optical networking and control planes slideshare. The optical network is becoming an ideal ip transport infrastructure in both core and metro networks due to its potentially unlimited bandwidth. An automatically switched optical network ason is a an architecture that enables the automatic delivery of transport services. From mpls to optical overip to the new optical link management protocol olmp, blacks expert explanations and practical. We present an sdnbased control plane for elastic optical wavelength switch in optical networks, for dynamic endtoend lightpath provisioning and maximum flexible operations. An overview on application of machine learning techniques. Sep 27, 2012 the control plane, data plane and forwarding plane in networks. Wavelength switched optical networks wson are wavelength division multiplexing wdm based networks that include switching elements that can switch based on the wavelength or the frequency of signals transported over optical fiber.
Automatically switched optical network ason, optical networks, control plane. Free fulltext pdf articles from hundreds of disciplines, all in one place. In this case, only preplanned channels are guaranteed to work, as shown in figure 2. Book description optical network control is the first expert guide and singlesource reference for controlling and managing optical networks. The softwaredefined optical networking sdon paradigm enables programmable, adaptive and applicationaware backbone networks. The management plane is another vital component but also widely excepted as user to hardware interaction. Development of fast control plane for an optical and. This special issue aims at providing an opportunity for researchers and engineers to share their latest research results and advances in optical network control and management. Citeseerx document details isaac councill, lee giles, pradeep teregowda. Control plane control plane definition avi networks.
We havent picked up people yet, nor have we dropped them off, but we do know the paths and stops due to our plan. Ciena has been investing in optical control plane technology for many years now, first for sonetsdh networks and more recently as part of our otn switching solutions e. In this paper, we build a crosslayer sdn control plane that leverages these advantages. The continuously increasing traffic of internet services cloud services, video streaming, social networks, and recently, internet of things services is leading to huge traffic growth in core optical networks. Third generation transport systems, leading telecom consultant uyless black presents an authoritative introduction to the emerging technologies that will drive the next communications revolution. Development of fast control plane for an optical and electrical hybrid switch network. The data plane is simply an abstraction used to describe the actual flow of data packets using paths determined by the control plane. Some open issues in the optical networks control plane. There is no single command that you can use to distinguish between the two.
The control plane is that part of a network which carries information necessary to establish and control the network. These services include bandwidthondemand applications, customerinitiated service requests via a uni, and scheduled or timeofday based services. Choose a local health plan for individual and family coverage. Controller control plane is a logical entity that models all control plane intelligence routing, traffic engineering te, and signaling protocols, path computation, etc. The ason approach to the control plane for optical networks. Enter the location where your company is headquartered or the state where your companys insurancebuying decisions are made. The future optical network management and control plane is expected to be more versatile, scalable, automatic, and resourceefficient. The control plane is primarily about the learning of routes.
The gmpls control plane architecture for optical networks. Why is the control plane important to avi networks. Future optical networks are expected to provide an efficient infrastructure able to deliver a growing number of services, which have to meet various requirements in terms of quality of service. The control plane, data plane and forwarding plane in networks. The control plane traffic carries control traffic which is not enduser data whereas the data plane traffic is actual enduser data. The prototype network is used to study the feasibility of gmpls as a distributed control plane for provisioning, routing and neighbor discovery, as well as restoration of optically switched paths lsps in a core optical network. In network routing, the control plane is the part of the router architecture that is concerned with drawing the network topology, or the information in a possibly augmented routing table that defines what to do with incoming packets. Modern optical network control plane introduction control plane architecture and functional model control plane aspects in ip networks control of mpls networks generalized mpls gmpls control of atm networks. Implementing pnni signaling in the optical control plane. This document examines a new multilayer control plane architectural approach, which increases agility and programmability for ip and optical networks.
Osa optical power control in translucent flexible optical. This demo describes its application to transparent optical networks, in the form of multiple optical virtual private. Network operators have deployed optical transmission systems in their production networks for several years. A network control plane architecture for ondemand co. Osa valueadded proposition of the gmpls control plane in. The control plane offers a number of benefits to carriers.
A network control plane architecture for ondemand coprovisioning of optical network and it services giada landi1, nicola ciulli1, jens buysse2, konstantinos georgakilas3, markos anastasopoulos3, anna tzanakaki3, chris develder2, eduard escalona4, damian parniewicz5, artur binczewski5, maciej stroinski5. Introduction to automatically switched optical network ason posted on june 29, 2016 by admin. The national network of delta dental companies protects more smiles than any other insurance company. Performing optical logic operations by a diffractive. Pdf distributed optical control plane architectures for. At data plane, the elastic optical network eon concept 1215 has emerged as a novel optical network architecture able to respond to the increased need of elasticity in allocating optical network resources. However, aside from the man control plane robustness in softwaredefined optical networks under targeted fiber cuts ieee conference publication. A control planeenabled network can support new, dynamic services. Jul 24, 2003 optical network control is the first expert guide and singlesource reference for controlling and managing optical networks. You dont have time for confusing rules and complicated networks. The control plane, data plane and forwarding plane in networks is the heart core dna in todays networking hardware to move ip packets from a to z. Books on wavelength division multiplexing wdm and optical networking 1. This tutorial will address all of these questions and explain the technologies, architectures, and market trends for emerging optical networks.
We report a world first field trial of an openflowbased unified control plane for multilayer multigranularity optical networks, verifying its overall feasibility and efficiency, and quantitatively evaluating the latencies for endtoend path creation and restoration. Impairmentaware control plane architectures to handle optical networks of the future. Backbone optical networks are evolving to mesh topologies using intelligent network elements. In networks with an ason and gmpls control plane, establishing a connection only considers bandwidth and whether the link is up or down. A new routing algorithm and protocol extensions are proposed to take into account power and regeneration information in the gmpls control plane of translucent. Control plane architectures for elastic optical networks invited osa. We quantify the valueadded proposition of the generalized multiprotocol label switching gmpls distributed control plane vis a vis the centralized network management cnm plane. Paperity multidisciplinary aggregator of open access. Elastic optical networks eon, which are able to allocate an appropriate optical spectrum range and modulation format to an optical path according to the. Optical networks introduction, cicek cavdar evaluation and class material. Architecture, control, and management issues, 35 november 1998 boston, massachusetts, spie. S29 s34 september 2003 with 284 reads how we measure reads. Nov 22, 2016 the gmpls user network interface enables ip routing overlay networks to directly tap into the optical transport control plane to more efficiently provision and protect ip services.
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. Our planning stage, which includes learning which paths the buses will take, is similar to the control plane in the network. 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. Mar 25, 2014 controller is a logical entity that models all control plane intelligence routing, traffic engineering te, and signaling protocols, path computation, etc. Optical networking technology underwent a major revolution in the 1990s as the old paradigm of sonetsdh systems to support circuitswitched connections. A novel control framework of seotn is designed with three rsa models. The material reflects the authors extensive research and industrial activities and includes contributions from preeminent researchers and practitioners in. We have developed a gmplsbased control plane prototype for core optical switching networks. We recognize movaz as a leader in the use of gmpls to provide a standardsbased optical control plane and we look forward to expanding our collaboration to include leveraging embedded gmpls for the management of next generation optical networks. Plane for ip over wdm architecture and the current protocols that are used in control plane in optical networks as well as delves the research into a new novel unified control plane for ip over wdm architecture networks. Here, we introduce a simple yet universal design strategy, capable of using plane waves as the incident signal, to perform optical logic operations via a diffractive neural network. Optical control plane how is optical control plane abbreviated. Distributed optical control plane architectures for handling transmission impairments in transparent optical networks.
Asongmpls optical control plane tutorial 3 free ebook download as powerpoint presentation. With sometimes hundreds of nodes across a network, managing such a complex infrastructure requires a control plane that, given some parameters, will make decisions on its own thus the intelligent in intelligent control plane. Course material and all information to be found at the course web site. Although there has been much research effort on the conceptual and functional requirements for the control of optical networks, this article focuses on the design and implementation of an optical control plane. These management functions are related to network elements, networks and services and, usually, they are less automated than those of the control plane 4. Control plane techniques for elastic optical networks. A single controller can manage one or more transport nodes.
Our control plane implementation is portable to a real datacenter. Control principles and features for evolving meshbased optical networks and existing ring networks with practical examples emerging, proposed, and future optical routingsignaling protocols and standards including gmpls, ason and optical uni optical network control planes. This book presents advances in the field of optical networks specifically on research and applications in elastic optical networks eon. A switched connection is set up and released directly either by client network or by customer equipment by means of a user network interface uni, in case of a soft permanent optical connection, it is the management system that triggers the control plane cp of the headend node. State of the standards and deployment article pdf available in ieee communications magazine 418. In fact, were on our 7 th generation of our oneconnect optical control plane. Optical networking technology underwent a major revolution in the 1990s as the old paradigm of sonetsdh systems to support circuitswitched connections began to give way to a new mesh network of transparent, highspeed optical switches with the capability to support a variety of higherlayer traffic types and services. Pdf the notion of an optical control plane has rapidly ascended from being a mere concept to a detailed set of. Drivers for automatically switched optical networks are briefly presented. This paper mainly focuses on the framework of control plane and protocol extensions of spectrumefficient optical transport networks seotn. Optical network control is the first expert guide and singlesource reference for controlling and managing optical networks.
Apart from proposing a simple pnni implementation, the issue of integrating an otn making use of pnni signaling with ip client networks is investigated. The paper gives an overview of the automatically switched optical network ason, concentrating on its control plane. Impairmentaware control plane architectures to handle. This paper describes the design considerations and architecture of a gmplsbased control plane that we have prototyped for core optical networks. A comprehensive survey akhilesh thyagaturu, anu mercian, michael p. Control plane design for reliable optical networks citeseerx. Pdf the application of an ipbased control plane to optical networks has opened up new opportunities and challenges for network designers. The ability to restore any serviceanytime and anywhere in the network is a critical to enable a more programmable infrastructure that can respond on demand to meet unpredictable traffic demands. In order for such a network to operate efficiently, it is essential that it employ a control plane that is capable of managing both legacy framed traffic and new traffic types. The application of an ipbased control plane to optical networks has opened up new opportunities and challenges for network designers.
The avi controller runs in the control plane and manages each of the ses, which run in the data plane. Feb 20, 2017 optical virtual private networks via a sdngmpls control plane. When combined with an intelligent control plane technology like. Ason gmpls optical control plane tutorial free ebook download as powerpoint presentation.
Optical virtual private networks via a sdngmpls control plane. Differences between ip and optical routing although ip routing protocols are being extended for routing connections in optical networks, there are major differences between routing in circuit switched optical selection from optical network control. Typically, therefore, an optical switch completely separates its control plane. In the optical transport field, the control plane has been called different things by different standards bodies. No distinction between if1, if2 and routerrouter mpls control plane. Componentbased control planes and programmable user planes allow for network function orchestration to ensure that networks. The tesseract a tesseract is a 4dimensional cube system is based on the 4d architecture that advocates the decomposition of the network control plane into the decision, dissemination, discovery, and data planes. Ifip tc6 working conference on optical network design and modeling 200. This book fills the gap between optical network engineering and. Within the itut, the optical control plane initiative is referred to as automatic switched optical network ason 2.
In this paper, we consider the case of a translucent optical network where optical regeneration is required, and thus, the power adaptation process is adapted to this kind of network. Sdngmpls for optical networks how to leverage existing gmpls control plane for sdn. Efforts to standardize such a distributed common control plane have reached various stages in several bodies such as the ietf, itu and oif. Control plane functions, such as participating in routing protocols, run in the architectural control element.
Part of the optical networks book series opnw, volume 15. The management plane contains the network management entity which is connected to an occ in control plane via the network management interface for ason control plane nmia and to one of the switched via network management interface for the. Although much work has been done on standardization of protocols for ip networks, the applicability of these protocols to controlling optical networks and the overall reliability of optical networks needs further investigation. Design of sdnbased multilayer control plane for elastic. In the ietf, the optical control plane is referred to as generalized multiprotocol label switching, or gmpls 1. Although originally included in the overall set of generalized multiprotocol label switching gmpls based control plane. References to the control plane are often included in diagrams to give a visual. Effects of outdated control information in controlplane. Jun 16, 2014 sdn for optical networks is easy to talk about, but reallife 100g and roadm transport have a lot of complexity to consider. Available resources often cannot be properly allocated due to inherent inflexibility of manually. Although much work has been done on standardization of protocols for ip networks, the applicability of these protocols to controlling optical networks and the overall reliability of. Optical networks control and management springerlink. 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.
The control plane represents a central point of management and control for the distributed softwaredefined application services. Networks implement policy control using dynamic policy, semistatic user, and static network data stored in the unified database on the core network side. Then, the new protocol extension requirements for ospfte, rsvpte and pcep are proposed and analyzed in the paper. In this letter, a hardware accelerated gmpls based and impairmentaware control plane suitable for optical networks with concurrent lightpath requests support is proposed and evaluated. Pdf the ason approach to the control plane for optical networks. Dynamically reconfigurable optical wireless backhaulfronthaul with cognitive control plane for small cells and cloudrans object small cells, cloudradio access networks cran, software defined networks sdn and network function virtualization nvf are key enablers to address the demand for broadband connectivity with low cost. With careful control, a string of dozens of optical fiber amplifiers can transmit signals thousands of kilometers across the ocean. Asongmpls optical control plane tutorial 3 routing. This book fills the gap between optical network engineering and routingsignaling helping both optical and ip professionals build networks that are more robust, flexible, manageable, and profitable. It is part of the theoretical framework used to understand the flow of information packets between network interfaces. Control plane robustness in softwaredefined optical. The proposed control plane implements the key functions such. And as it turns out, service providers are increasingly focused on the need for an optical control plane. Elastic optical networks architectures, technologies.
The control plane sets up and releases connections and. The existing link management, signaling, and routing protocols are also presented in an overview of the gmpls framework. An overview of optical control plane and novel unified. Novel control plane framework and protocol extensions for. First field trial of an openflowbased unified control. The management plane contains the network management entity which is connected to an. Optical wdm networks, biswanath mukherjee, springer. Optical layer impairments are not considered, and the optical channel is assumed to work by design. Introduction to automatically switched optical network. Optical impairmentaware wson control plane for cisco ons. Cienas intelligent control plane enables a selfhealing network that can withstand multiple simultaneous failures across the network. Enabling ipoptical control plane integration with gmpls uni.
May 14, 2012 ciena has been investing in optical control plane technology for many years now, first for sonetsdh networks and more recently as part of our otn switching solutions e. From a control plane point of view, a partitioned network. A control plane framework for future cognitive heterogeneous optical networks abstract. Ason automatically switched optical network is a concept for the evolution of transport.