In transmission systems, the framing bytes delineate g. Otn optical transport network with the recent updates to the itut g. This page compares otn interfaces otu1 vs otu2 vs otu3 vs otu4 and mentions difference between otu1, otu2, otu3 and otu4 otn interfaces. Optical transport network otn is a series of standards created to combine the benefits of sonetsdh with the bandwidthexpanding capabilities of dense wave division multiplexing dwdm in order to build more network functionality into optical networks. Fmx 100g otn optical transpondermuxponder for dwdm. Xilinx has partnered with preciseitc and xelic for a rich set of optical transport network otn solutions to enable network equipment providers neps to focus on endproduct innovation and differentiation while reducing timetomarket and total cost of ownership. The optical transport network market was valued at usd 23. It provides flexible transmission and fast service provisioning, allowing carriers to offer a wide range of diverse and appealing services. The otn product range is simple to install, configure and maintain. The optical transport hierarchy oth is a new transport technology for the optical transport network otn developed by the itu. Appreciate sdh technology including transmission hierarchy and network components comprehend dwdm technology including transmission systems and network components. With multiple clients transported on a single wavelength, otn provides an economical mechanism to fill optical network wavelengths.
Thus, otn was designed for transporting all these protocols and is currently the preferred physical layer protocol for optical transport networks. After completing this from sdh to optical transport network otn course, participants will be able to. Paul goransson, chuck black, in software defined networks, 2014. An optical transport hierarchy among optical network elements 2. Solution options alison izard there are a number of options for modernizing your transport network, including native tdm switching over the optical transport network otn, a complete overlay network with routers and dwdm, and finally migrating to packet optical using circuit emulation cem. Itut defines otn as a set of optical network elements 3r connected by optical fiber links, able to provide the following for the optical channels carrying client signals. Cisco ncs 4000 optical transport network otn line cards. Otn is an industrystandard optical transport protocol itu g. Generally speaking, otn is a network interface protocol put forward in itu g. Otn systems has served the industry for decades and accumulated a wealth of experience. The optical transport network otn standards, defined by the itut g. Otn was designed to provide support for optical networking using wavelengthdivision multiplexing wdm unlike its predecessor sonetsdh itut recommendation g. The design really varies based on the schemes adopted.
Optical transport networks technology white paper proprietary and confidential to pmcsierra, inc. The 100g transpondermuxponder provides comprehensive capabilities to dramatically boost network capacity, and it can aggregate and transport 40g and 100g services over a 100g otn dwdm wavelength. With the advancements in internet of things iot and machinetomachine m2m communications, a substantial amount of data is expected to be generated. Optical transport network an overview sciencedirect topics. Optical transport network otn is a term used by itut to the elements used in an optical network connected to and by fiber. All in all, the charming of the otn can be translated into two words. Gcc countries optical transport network otn equipment market research report 2018 gcc countries optical transport network otn equipment industry, 202023 market research report is a professional and indepth study on the current state of the global gcc countries optical transport network otn equipment industry with a focus on the. Optical transport networking otn, as shown in the following figure, represents a natural next step in the evolution of transport networking. Often, operators attempt to address the capexopex quest by converging a number of functions onto a single network element. They transmit bits using various encoding and multiplexing techniques. Interfaces for the optical transport network otn superseded.
Optical transport network otn free download as powerpoint presentation. From a highlevel architectural perspective, one would not expect otn architectures. Otn is a digital wrapper that provides an efficient and globallyaccepted way to multiplex different services onto optical light paths. Therefore, in the network where traffic running over sonetsdh transport is predominantly packetbased, tdm transport itself represents an overhead that can be quantified in terms of bandwidth loss. The white paper points out that the architecture based on optical transport network otn and transport softwaredefined networking ncet has advantages such as committed large bandwidths, guaranteed low latency, and fast service delivery. The otn layer evolved over layer1 of the dwdm network for enabling more efficient convergence of traditional sonetsdh transport and new data services, into a common optical transport network layer. The optical transport network otn defined in itut g. The optical transport network otn standards, defined by the. Pdf optical transport network otn tutorial disclaimer. Btw, ton is short for transport optical network and otn is short for optical transport network.
Converged packet transport white paper 2015, juniper networks, inc. The wdmotn solution is reliable and easy to maintain. The optical transport network otn architecture is specified in itut rec. As optical network infrastructures grew, a new optical transport network otn layer over wdm network evolved, enabling more efficient convergence of mix of services such as 1040100gb ethernet, 81632g fc and traditional sonetsdh. And oduflex a futureproof solution for otn client mapping pdf. Overview literature motivation for an optical transport network standard properties of otn g. Cisco visual networking indexforecast, 20072012 mobile data to grow at 125% cagr 20072012 with video, consumer ip quadruples by 2012 requirements. Optical transport networks training tutorial course. 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.
Otn open transport network is a unique system that can integrate virtually all existing applications for voice, data, lan, video, scada, etc. Carriers are also placing particular emphasis on otn in the metro area, where. Comparing wavelengthswitched and digitallyswitched optical transport architectures. Optical transport network otn forward error correction. Jul 27, 2017 optical transport network 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. Although otn and sonetsdh have similarities, there are also some significant design differences. In the transport core, bandwidth requirements spawned the creation of the optical transport network otn described in general terms in international telecommunications uniontelecom itut g. Optical transport network otn fujitsu united states. Otn interfaces difference between otu1,otu2,otu3,otu4. The optical transport network is designed to deliver a transparent framework to efficiently carry diverse traffic types, which can decrease acpexopex in networks and at the same time address dramatic shifts in traffic types. Figure 1, otn has been optimized to be the transport protocol to carry a converged mix of different types of client signals in a manner that efficiently uses the optical layer resources.
Itut defines an optical transport network otn as a set of optical network elements one. Optical transport networks training course handson. It is a standardized method for transparent transport of services over optical wavelengths in dwdm systems. Optical transport networks training by tonex provides a comprehensive technical introduction to optical transport networks. According to the company, its new optical core switching platform, an implementation of the nextgeneration optical transport network otn standard, allows operators to transport ip traffic, including video, at the most costeffective layer of the network while freeing up bandwidth for higher value services. Committed to get your information across otn systems. The network provides functionality of transport, multiplexing, routing, management, supervision, and survivability of optical channels carrying client signals. The itus optical transport network otn recommendation provides a network wide framework that truly delivers on the carrier requirements for reduced costs, greater flexibility, and increased efficiencies. Two generations of otn have already been widely deployed. Jul 20, 2016 inspired by the sonetsdh network, itut itu telecommunication standardization sector has defined the optical transport network otn to achieve a more costeffective high speed network with the help of wdm technology. Optical transport network otn an optical transport network otn is composed of a set of optical network elements connected by optical fibre links, able to provide functionality of transport, multiplexing, routing, management, supervision and survivability of optical channels carrying client signals, according to the requirements given in. Optical transport network otn for high speed service.
Cisco ncs 4000 optical transport network otn line cards data sheet. It supersedes legacy sonetsdh technology and is designed to address the challenges of a highspeed multiservice telecommunications infrastructure. Here otu stands for optical channel transport unit and otn stands for optical transport network. Optical transport network otn ppt video online download. As we known, the core of most current operator networks is the asynchronous digital hierarchy synchronous optical network sdhsonet, which has always offered good fault management, performance monitoring, predictable latency, a protection mechanism and, of course, synchronization. As defined by the international telecommunication union itu, otn is a set of optical network elements connected by optical fiber links. This standard defines a hierarchy among optical network elements and provides for performance management of complex dense wavelength division multiplexing dwdm networks. As of december 2009, otn has standardized the following line rates. An optical transport hierarchy among optical network. Sep 15, 2016 loudon blair, network architect within cienas cto office, provides an overview of the optical transport network otn technology in this chalk talk video. Optical transport network otn is a protocol for sending network messaging over optical fiber networks. In 2012, half a zettabyte will cross the global network impact on the network.
Its hunger for the newest and the latest, its out of the box thinking capabilities and the cando mentality has resulted in innovative products and market leadership. A wealth of experience and the ability to innovate, a powerful cocktail. Optical transport network otn is a protocol that plays a key role in making the network an open and programmable platform, enabling transport to become as important as computing and storage in intelligent data center networking. It is based on the network architecture defined in itu g. The optical transport network otn and wdm layers make up a generic layer1 transport network, enabling different service types to coexist and. Ppt optical transport network powerpoint presentation. Transport multiplexing switching management supervision and survivability otn requires new network hardware. The optical transport network otn architecture is specified in. Optical transport networks training otn training course. Jan 20, 2016 cisco ncs 4000 optical transport network otn line cards data sheet. Optical transport network otn primer searchtelecom. Optical transport network slide for optics begineers. The line interface supports pmqpsk and coherent demodulation technology, which is fully compliant with itut standard, such as g. The optical transport network otn the aim of the optical transport network otn is to combine the benefits of sonetsdh technology with the bandwidth expandability of dwdm.
This white paper provides a tutorial overview of otn, with primary. Otn optical transport network consists of various optical network elements connected by optical fiber lines. Michael jamgochian, alcatellucent understanding optical transport network otn is key for success in addressing the emerging needs of next generation transport networks. In case of conflict between the material contained in the tutorial and the material of the relevant recommendation the latter always prevails. Itut defines an optical transport network otn as a set of optical network. With the explosion of digital traffic and the evergrowing array of bandwidthhungry applications, otn optical transport network evolves from pointtopoint dwdm remedies to scalable and robust optical networking applications that cater to a wide variety of client signals with equallyvaried service requirements. Experts define otn as a collection of optical network elements one that communicate using wavelength division multiplexing wdm. Optical transport network otn technology represents both a technical leap forward in optical networking over sonetsdh and a business opportunity for carriers and service providers alike. About otn technology otn optical transport network is the layer 1 protocol standardized by the itut study group 15 in order to carry multigigabit signals across a fiber optical infrastructure. Fs optical transport network platform is engineered to support cwdm and dwdm based solutions for highcapacity optical links and conducive to save cabinet space. Optical transport network market growth, trends, and. 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. Otn encompasses many enhancements over the traditional sdh or sonet networks such as optimized transport of legacy and future technologies and. This white paper provides a tutorial overview of otn, with primary emphasis on itut g.
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