Network virtualization allows multiple networks to be deployed over the same infrastructure, and has been successfully applied to several. Now, we are beginning to see the deployment of optical control planes that sit between the management and transport planes figure 1. Functions in the control plane can protect connections from channel, fibre or node faults. The control plane moves some of the network intelligence down to the nes. Any networking product deployed for powering up network broadly does two typical things. Novel control plane framework and protocol extensions for. Thats especially true when its something like control plane, which isnt a topic that gets a lot of attention or media coverage. 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. An overview on application of machine learning techniques. Barry, optical society of america, optical networks and their applications, optical society of america, december 1998. Sep 27, 2012 the control plane, data plane and forwarding plane in networks. Optical and optoelectronic backbone, metropolitan and local area networks optical data center networks.
Automatically switched optical network ason, optical networks, control plane introduction optical backbone networks, based on sdhsonet. In optical networks that maintain signals in the optical domain, switching can be performed at the circuit, packet, or burst granularities. Within the itut, the optical control plane initiative is referred to as automatic switched optical network ason 2. Guide for authors optical switching and networking issn. Optical science and engineering for the 21st century, national academy press, july 1998, 360 pages. Optical fibers contd data communication in an optical network use an optical carrier signal at some wavelength in the bandof 1450 to 1650 nm. The existing link management, signaling, and routing protocols are also presented in an overview of the gmpls framework.
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. 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. Feb 20, 2017 network virtualization allows multiple networks to be deployed over the same infrastructure, and has been successfully applied to several networking technologies e. Enabling ipoptical control plane integration with gmpls uni. And the reality is that service providers have separate, manual service provisioning systems in their ip and optical layers. Design of sdnbased multilayer control plane for elastic. 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. Course material and all information to be found at the course web site. Backbone optical networks are evolving to mesh topologies using intelligent network elements. 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. Distributed optical control plane for dynamic lightpath.
Our control plane implementation is portable to a real datacenter. The university of cyprus is organizing psc 2018 in limassol, cyprus on september 19 21. Optical impairmentaware wson control plane for cisco ons. Ipmpls router optical node optical networks edge edge core figure 2. The management plane performs management functions for the fig. Controller is a logical entity that models all control plane intelligence routing, traffic engineering te, and signaling protocols, path computation, etc. Optical wdm networks, biswanath mukherjee, springer. A lightpath is a series of optical wdm channels that are interconnected. Onereasonisthetypicalorga nizational division of ip and optical operations. This paper describes the design considerations and architecture of a gmplsbased control plane that we have prototyped for core optical networks. Oxc control plane control control data optical network node ipmpls router or. A comprehensive survey akhilesh thyagaturu, anu mercian, michael p. The control plane, data plane and forwarding plane in networks. Sdngmpls for optical networks how to leverage existing gmpls control plane for sdn.
The control plane is that part of a network which carries information necessary to establish and control the network. Osa valueadded proposition of the gmpls control plane in. 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. Optical networks introduction, cicek cavdar evaluation and class material. Detailed architecture and specific modules including underlying wavelength switch, sdn controller and applications are developed and evaluated to show its overall. We present an sdnbased control plane for elastic optical wavelength switch in optical networks, for dynamic endtoend lightpath provisioning and maximum flexible operations.
In 9 a probabilistic model to derive an upper bound on the probability that ted inaccuracies occur is presented. Dec 12, 20 rfc 6163 framework for gmpls and path computation element pce control of wavelength switched optical networks wsons. When combined with an intelligent control plane technology like. A crosslayer sdn control plane for optical multicast. This standard defines the context, terminology, and architectural options for a gmpls control plane applied to wson 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. There is no single command that you can use to distinguish between the two. Implementing pnni signaling in the optical control plane. We quantify the valueadded proposition of the generalized multiprotocol label switching gmpls distributed control plane vis a vis the centralized network management cnm plane.
These are two logicalconceptual separations for better functionality. More recently, stimulated by the rise of new control plane suites for optical networks e. As a framework, this is an informational document and does not define any protocol extensions. The functions of the ason control plane are automated, based on networking intelligence that include automatic discovery, routing and signaling. In the recent years, there has been much advance in the areas, ranging from the traditional generalized multiprotocol label switching gmpls to todays path computation element pcebased technology. Intelligent optical control planes internet networks. The paper gives an overview of the automatically switched optical network ason, concentrating on its control plane. May 14, 2012 thats especially true when its something like control plane, which isnt a topic that gets a lot of attention or media coverage. It is emphasized that pnni is appropriate for supporting ason. Effects of outdated control information in controlplane.
To date, however, there have been only a few deployed networks in which control plane integration of ip rout ers and optical transport systems has been implemented using dwdm and roadms. The gmpls control plane architecture for optical networks. Drivers for automatically switched optical networks are briefly presented. The control plane traffic carries control traffic which is not enduser data whereas the data plane traffic is actual enduser data. In particular, this contribution focuses on adapting pnni signaling to ason requirements by highlighting essential features of pnni signaling that need to become aligned to ason. 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. Specific areas of interest include, but are not limited to. It is part of the theoretical framework used to understand the flow of information packets between network interfaces. 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. Optical circuit switching can be performed in space, waveband, wavelength, or time. The control plane performs the call control and connection control functions. In the optical transport field, the control plane has been called different things by different standards bodies. Signaling for controlling optical networks is the topic of this paper. Foisel, tsystems deutsche telekom oif carrier wg chair, oif vice president.
Idealist control plane architecture for multidomain flexi. A novel control framework is first proposed for seotn in the paper, and some protocol extensions are designed for the framework. In this scenario, the development of an optical control plane ocp which is aware of impairments and location and number of available regenerators is of paramount importance for ondemand lightpath provisioning in generalized multiprotocol label switching gmplsbased translucent optical networks. Mar 25, 2014 controller is a logical entity that models all control plane intelligence routing, traffic engineering te, and signaling protocols, path computation, etc. Idealist control plane architecture for multidomain flexigrid optical networks ramon casellas, raul munoz. Osa optical power control in translucent flexible optical. In fact, were on our 7 th generation of our oneconnect optical control plane. Software defined networking sdn is an emerging network architecture where network control is decoupled from forwarding and is directly programmable. The author thanks all colleagues from the oif for their work, which has been the basis for this tutorial the responsibility for the content of this tutorial is with the author hansmartin. Sdn for optical networks is easy to talk about, but reallife 100g and roadm transport have a lot of complexity to consider. Control plane design and performance analysis for optical multicastcapable datacenter networks. Optical control plane how is optical control plane abbreviated.
Architecture and specification of data communication network. Pdf the ason approach to the control plane for optical networks. The key idea of an sdn is a survey on transition from gmpls control plane for optical multilayer networks to sdn control plane ieee conference publication. Control principles and features for evolving meshbased optical networks and existing ring networkswith practical examples emerging, proposed, and future optical routingsignaling protocols and standards including gmpls, ason and optical uni optical network control planes. In the ietf, the optical control plane is referred to as generalized multiprotocol label switching, or gmpls 1. Programmable networks must also unify network layers so that centralized control can extend endtoend. Optical switching and networking considers highquality, original, and unpublished contributions addressing all aspects of optical and optoelectronic networks. Books on wavelength division multiplexing wdm and optical. Optical fiber networks have high capacity can be used for providing the high bandwidth services even in wireless, infrared means high bandwidth connectivity. Softwaredefined network sdnopenflow research and development have attracted the attention of many researchers and companies. Figure 3 shows a topology of prototype network, which consists of 10 network nodes and 3 client nodes. 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.
Control plane and data plane are not two physical planes on switchrouter. References to the control plane are often included in diagrams to give a visual. In fact, the verizon announcement spurred more than one person to ask us, what exactly is an optical control plane. A network control plane architecture for ondemand co. Optical networks control and management springerlink. Optical virtual private networks via a sdngmpls control plane. The data plane is simply an abstraction used to describe the actual flow of data packets using paths determined by the control plane. 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. Guide for authors aims and scope optical switching and networking osn is an archival journal aiming to provide complete coverage of all topics of interest to those involved in the optical and highspeed optoelectronic networking areas. Openslice, is presented for spectrum sliced elastic optical path networks to prove its overall feasibility and efficiency.
Jul 24, 2003 optical network control is the first expert guide and singlesource reference for controlling and managing optical networks. Rfc 6163 framework for gmpls and path computation element pce control of wavelength switched optical networks wsons. 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. 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.
An overview of optical control plane and novel unified. A survey on transition from gmpls control plane for. 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. 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. Photonics in switching and computing addresses all aspects of optical interconnected network architectures, optical sub systems, optical components and devices, and network management and control plane for telecom, datacom and hpc networks. A single controller can manage one or more transport nodes. Optical network control is the first expert guide and singlesource reference for controlling and managing optical networks. In this paper, we build a crosslayer sdn control plane that leverages these advantages.
Efforts to standardize such a distributed common control plane have reached various stages in several bodies such as the ietf, itu and oif. Sdn is essentially moving from distributed configuration to controlling the network from a logically centralized high level program i. In order to study gmpls control plane for provisioning the optical lsp and providing protection and restoration among the nodes in the core networks, a prototype network has been developed. What is control plane and data plane in networking.
Control plane design and performance analysis for optical. Control principles and features for evolving meshbased optical networks and existing ring networkswith practical examples emerging, proposed, and future optical routingsignaling protocols and standards including gmpls, ason and optical uni. Control and management play a key role in enabling optical networks to efficiently and smoothly carry user data. Data and control plane solutions for an optical 5g transport. 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. The management plane is another vital component but also widely excepted as user to hardware interaction.
34 1566 1278 1614 886 891 1000 865 301 514 813 800 675 716 673 317 177 1611 503 1022 1222 423 276 267 921 75 974 1088 951 123 874 78 767