Ppt optical transport network powerpoint presentation. Hardware, software, and related service offerings, both for radio access and transport, focusing on service providers. A pon consists of an optical line terminal olt at the service providers central office and a number of optical network units onus near end users. The transport network can be described by defining associations between points in the network. In addition, transport network elements are being supple. Nov 25, 2020 architecture o f toda ys optical transport networks, the choi ces made in france ar e recal led. Transform and optimize your network for an ondemand world with ipoptical. The coriant portfolio of sdnenabled, edgetocore transport solutions enables netw. Simple optical network architectures broadcast and distribution networks. As a result, the design of optical networks must be rethought at the most fundamental.
As part of an endtoend portfolio for transport networks, infineras. Amin abstractthis paper presents our work on the design, engineering, and evaluation of endtoend performance of cir. The following figure shows a highlevel overview of the future network divided up. Most of these components either have no electronic analog or behave very differently from their electronic counterparts. The achieved gain comes at a cost of marginal increase in the delay that packets experience at the ingress edge of the network, where we can.
It is based on the network architecture defined in itu g. Itut defines an optical transport network otn as a set of optical network elements one connected by optical fiber links, able to provide functionality of transport, multiplexing, switching, management, supervision and survivability of optical channels carrying client signals. With multiple clients transported on a single wavelength, otn provides an economical mechanism to fill optical network wavelengths. Integrate your ip routing and optical transport networks into a unified. The network provides functionality of transport, multiplexing, routing, management, supervision, and survivability of optical channels carrying client signals. The logical architecture of an ason can be divided into three planes. W e then have a loo k at t he future of optical transport networks from an operators point o f. This allowed for the transport and aggregation of multiple data rates and services, including both fibre channel fc and internet protocol traffic, over a single wavelength. Bus topology figure below shows a generalised bus topology network. Optical transport networks training otn training course.
The 1830 pss portfolio provides terabit otn switching and photonics capacities. The players in this industry are constantly working on developing new product portfolios. As part of its comprehensive portfolio of networking products, altran offers a. The optical transport network otn architecture is specified in itut rec. Necs packetoptical transport for metroregional networks. Fronthaul network solutions for the cran architecture. Mobile transport to support 5g and lte everywhere ericsson. Network operators worldwide are looking to 100g optical transport. The role of optical networks optical network segments are categorized with respect to the size of the area they cover. Optical transport network market growth, trends, covid19. Optimize your network resources, operations, costs and performance to better compete in an ondemand world. The transport network considerations for 5g in cmcc. Mar 19, 2015 optical network architecture network architecture.
Network planning and cost analysis for optical transport networks with different switching solutions marisa vale loureiro, joao pires, joao miguel santos abstract with the great evolution of current transport networks and its rapid transformation, one of the main concerns with the fiber optics and its flow, is studying the. To minimize transport cost and optimize efficiency in all network areas, the modular architecture of the fsp 3000 comprises a family of hotswappable modules to meet network application requirements and make convergence practical. Pdf optical transport networks otn technology and test. Looking for network architecture that will enable you to migrate from a circuitswitched transport network to a futureproof packetbased network. Optical transport networks are composed of a set of optical network elements connected by optical fibre links to provide functionality of transport, multiplexing, routing, management, supervision and survivability of optical channels carrying client signals. Itut defines an optical transport network otn as a set of optical network elements one connected by optical fiber links, able to provide functionality o. The current network architecture uses a relatively mono. The optical transport network otn defined in itu g. A path formed in this way is called a virtual bus since. Overview page 4 of 8 the transmission of ip and carriergrade ethernet over wdm networking architecture means that networking, endtoend circuit monitoring, management and protection functions that were previously provided by the sdh. The otn is specified by itut in various recommendations e. The network architecture needs to provide for various types of functionality and.
Otn was designed to provide support for optical networking using wavelengthdivision multiplexing wdm unlike its predecessor sonetsdh itut recommendation g. Figure 11 100g otn solution for converged 4g and 5g fronthaul. White paper optical transport networks otn test by reza vaezghaemi, ph. Signi cant advances in optical technologies, bit rates and deployment of optical transport network otn 9 protocols have enabled transport networks to provide exible multiplexing and switching functions in addition to basic data transport and survivability. Integrate your ip routing and optical transport networks into a unified infrastructure with nokia technology. Position paper future nationwide optical network architecture. Enabling converged 4g and 5g mobile fronthaul microchip. Innovative packetoptical networks from access to core infinera. In our approach, several ingress nodes inside the network are grouped together into a cluster. While many 4g assets can be reused, it will not be sufficient to overlay 5g on a 4g backhaul architecture, and even where an. While no text can be truly stateoftheart in the fast moving area of optical networking, this one comes as close as possible. For large bandwidth and flexible forwarding demand, multilayer resource collaboration is required, l0l3 capability should be integrated at the same time.
The infinera intelligent transport network portfolio over. Ericssons endtoend 5g platform, across radio, core and transport networks together with ossbss and network services enables operators to evolve to new 5g capabilities at a speed that matches their own business strategy, while enhancing current 4g business by reducing. In partnership with lumentum, infinera successfully validated its intelligent transport network portfolio over lumentums white box optical line system in an industryfirst interoperability test. The optical network was built on the ciena cn4200 wdm platform using the itut g. Nextgeneration optical transport network otn and ng otn. Otn facilitates efficient use of dwdm capacity by ensuring consistent fill rates across a network using otn switches at fiber junctions. Optical transport network otn technology combines the advantages of optical transmission and electrical. Nokia 1830 photonic service switch pss64 and pss36 release 8. In addition to its unique optical layer design supporting dwdm, cwdm as well as wdmpon, it offers our. Optical transport an overview sciencedirect topics. Network architecture functional and physical domains ericsson. Huawei optix osn 1800 is a series of box architecture msotn transmission equipment which support tdm, packet, and otn services over a metro or campus optical network. From a highlevel architectural perspective, one would not expect otn architectures.
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 otn product portfolio optical transport network otn product portfolio the otn solution is designed for highly effective mapping of different protocols and rates into the same uplink, providing simpler, transparent, high bandwidth capabilities at a comparatively low cost. But as just about every optical vendor on the planet races to address. An open xhaul transport network the new 5g ran and enduser services requirements drive the need for a new transport network. Figure 7 provides a pictorial overview of routing in the otn, as recommended by the g. Our family of optical transport and switching platforms enable service providers to deploy secure optical networks that are extremely cost effective and deliver the elastic scalability, flexibility and robustness your customers require. Traditional networks, as shown in figure 1, typically consist of an integrated. The control plane is responsible for the actual resource and connection. Vob is an evolutionary networking architecture based on optical burstpacket switching obsops paradigm with a higher performance in terms of packet loss rate and network throughput. A set of optical network elements connected by optical fiber links, able to provide functionality of transport, multiplexing, switching, management, supervision and survivability of optical channels carrying client signals.
The complete portfolio of eci solutions and products are available from ribbon. Optical transport network overcomes the issues in the present synchronous optical network sonet synchronous digital hierarchy sdh networks such as. Alan repech, system architect, cisco systems optical transport this book provides the most comprehensive coverage of both the theory and practice of optical networking. Infineras packetoptical technology application note fonex. The roots of otn open transport network go back to the early nineties when a new transmission technology was introduced in public networks. Transport optimized platforms not only comply with the original definition of a packet optical transport system pots by integrating layers 012 and 2. The bus is a high bandwidth optical fibre which traverses the entire distribution area.
Introduction the increasing need for residential tripleplay, wireless broadband, and ip business services continues to drive the demand for network expansion in core metro networks. The transport plane contains a number of switches optical or otherwise responsible for transporting user data via connections. Often, operators attempt to address the capexopex quest by converging a number of functions onto a single network element. Overview of optical networks the network as a cloud of information flows connecting different participants. The photonic service engine pse enables highperformance 100g and an evolutionary path to 400g. Fractions of the optical power on the bus aretapped off to provide a signal to each subscriber. The radio evolution, introducing new interfaces and deployment architectures, drives the need for increased capacity and connectivity, lower latency, and support for increased traffic volume in 5g ip networks. Optical network solutions from cisco for packet optical transport, data center interconnect dci, optical transport networks otn, and dense wavelength division multiplexing dwdm.
The transport infrastructure of your network is key in securing the best 5g performance. Optical transport network an overview sciencedirect topics. Packet optical transport system pots tdm wdm packet eth, ipmpls packet optical transport system pots packetcentric transport metro pots keys predictable, deterministic resiliency 50msec bandwidth efficiency legacy support tdm integrated roadm service scalability granular service differentiation. A key enabler of the 5gxhaul data plane figure 1 is the hybrid passiveactive optical network transport. Longhaul core networks, also known as wide area networks wan or interchange carrier ixc public networks. Some of the key players of this market are fujitsu, huawei, cisco, zte corporation, among others. White paper the case for open line systems photonics complete.
Jun 11, 2019 optical transport 2018 extreme networks, inc. The cisco network convergence system 4200 series delivers bestinclass circuit emulation, optical transport network, and carrier ethernet capabilities. The optical transport hierarchy oth is a new transport technology for the optical transport network otn developed by the itu. Otn switching is added, organizations can stop using manual fiber. The disadvantage is that the equipment cost is relatively higher, and a low cost solution needs to be developed. Viavi expands fibre network test and measurement portfolio. With all due respect to 40g100g transport, packet optical has come to represent the hottest trend in optical networking. As networks evolve to 5g, the fronthaul network will need to not only support cpri, but. A practical view visions of optical networking have captured the imagination of researchers and network planners alike, since the rapid and successful commercialization of wdm. Optical transport networks training by tonex provides a comprehensive technical introduction to optical transport networks. A practical vision for optical transport networking department of. An one may retime, reamplify, reshape but it does not have to be 3r it can be purely photonic. Youll like the benefits of one network as nimble as the cloud.
Since the transport network is a large, complex network with various components, an appropriate network model with welldefined, technology agnostic, functional entities is essential for its design, control, and management. Transport network requirements and architecture for 5g. The general physical arrangement and operational characteristics of communicating equipment together with a common set of communication protocols optical network enables carriers to deploy an optical service platform into regional and long haul core transport networks to maximize. Optical transport network otn product portfolio fs. The set of links connecting the nodes in a cluster form an optical path that is termed a virtual optical bus vob. Wdm optical network divide the vast transmission bandwidth available on a fiber into several different smaller capacity channels nonoverlapping bandwidths, each of these channels can be operated at a moderate bit rate 2.
Pdf this article presents first the history of the optical fiber transport networks, from the introduction of the first high capacity systems in the. We offer a wide range of optical and ethernet products along with an automatic network management system and a comprehensive customer services portfolio. To avoid misunderstanding that the mandate above is only applied to g. Evolving trends in the architecture design and computer modeling n. It combines tdm and wdm into a common transport system. Pointtomultipoint, fiber to the premises network architecture in which unpowered optical splitters are used to enable a single optical fiber to serve multiple premises, typically 16128. Optical transport network otn product portfolio optical transport network otn product portfolio the otn solution is designed for highly effective mapping of different protocols and rates into the same uplink, providing simpler, transparent, high. Mar 08, 2016 lead study group activities on optical and other transport networks and technologies. They enable multiple highbandwidth services from 2 mbits to 100 gbits to be delivered at less cost. These switches are connected to each other via pi physical interface. From a highlevel architectural perspective, one would not expect otn architectures to differ significantly from those of sdh. The competitive landscape of optical transport network market is fragmented because of the presence of a large number of companies.
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