Packet optical transport network solutions with support of wide range of protocols, standards and interfaces coupled with highest reliability and carrierclass set of, as the optimal choice of the transmission network, otn or optical transport network based on wdm is widely used. Framing structure digital wrapper, overhead bytes, multiplexing, and payload mappings for all. Jul 20, 2016 optical transport network otn for high speed service posted on 2016. 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. To download software, visit the cisco software center. Otn is a digital wrapper that provides an efficient and globallyaccepted way to multiplex different services onto optical light paths. The optical transport network otn standards, defined by the itut g. This document provides a tutorial for optical transport network standards and their applications. The optical transport network otn architecture is specified in.
Optical transport networks training tutorial course. The itus optical transport network otn recommendation provides a networkwide framework that truly delivers on the carrier requirements for reduced costs, greater flexibility, and increased efficiencies. Generally speaking, otn is a network interface protocol put forward in itu g. Ppt optical transport network powerpoint presentation. Optical transport networks training by tonex provides a comprehensive technical introduction to optical transport networks. White paper optical transport networks otn test by reza vaezghaemi, ph. Otn was designed to provide support for optical networking using wavelengthdivision multiplexing wdm unlike its predecessor sonetsdh. Optix osn 9800 is huaweis next generation core packet.
Leveraging costoptimized fpgas to deliver otn mapper solutions october 2009, ver. Otn was designed to provide support for optical networking using wavelengthdivision multiplexing wdm unlike its predecessor sonetsdh itut recommendation g. The network provides functionality of transport, multiplexing, routing, management, supervision, and survivability of optical channels carrying client signals. This chapter presents industry standard approaches for metro ethernet, optical transport networking otn, and carrier class ethernet. 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. An optical transport network otn is an interconnection of optical switches and optical fiber links. Optical transport networks otn technology and test applications. The optical transport network otn architecture is specified in itut rec.
Jul 27, 2017 otn was designed to provide support for optical networking using wavelengthdivision multiplexing wdm unlike its predecessor sonetsdh. Otn encompasses many enhancements over the traditional sdh or sonet networks such as optimized transport of legacy and future technologies and. They transmit bits using various encoding and multiplexing techniques. Optical transport network otn free download as powerpoint presentation. It is based on the network architecture defined in itu g. 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.
Thus, otn was designed for transporting all these protocols and is. Optical transport networks training otn training course. Inspired by the sonetsdh network, itut itu telecommunication standardization sector has defined the optical transport. In transmission systems, the framing bytes delineate g. Optical transport network otn for high speed service. Optical transport network an overview sciencedirect topics. With multiple clients transported on a single wavelength, otn provides an economical mechanism to fill optical network wavelengths. 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.
Nowadays, the sonetsdh network is an universal network that combines with wdm wavelength division multiplexing technique to transmit multiple optical signals over a single fiber. Otn optical transport network otn an otn network is composed of a set of optical nes connected by optical fiber links. Cisco ncs 4000 optical transport network otn line cards data sheet. It integrates huawei advanced packet, otn, optics and transport sdn technologies, rchitecture with ultralow power consumption per bit. Download as ppt, pdf, txt or read online from scribd. Optical transport network otn encryption inherently provides network operators with a single encryption solution addressing all client types and protocols endtoend within otns. An optical transport hierarchy among optical network elements 2. The optical transport network otn defined in itu g. Encrypting data at layer 1 l1 with optical transport network otn provides network operators with a compelling option for securing traffic in otns effectively, efficiently, and flexibly without. 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.
Paul goransson, chuck black, in software defined networks, 2014. Interfaces for the optical transport network otn superseded. Experts define otn as a collection of optical network elements one that communicate using wavelength division multiplexing wdm. Cisco ncs 4000 optical transport network otn line cards.
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. The optical transport network otn and wdm layers make up a generic layer1 transport network, enabling different service types to coexist and. In case of conflict between the material contained in the tutorial and the material of the relevant recommendation the latter always prevails. In case of conflict between the material contained in the tutorial and the material. These nes are able to provide functions such as transport, multiplexing, routing, management, supervision, and protection survivability of client signals, according to the requirements specified in rec. Application note flexible optical transport network otn. This video describes what was the need for adopting otn optical transport network and the benifits.
As of december 2009, otn has standardized the following line rates. 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. Optical transport network otn is a protocol for sending network messaging over optical fiber networks. When otn was designed, the amount of datatraffic had increased beyond the amount of voicetraffic and a variety of transport protocols were used simultaneously in the network, like e.
In future networking, high speed transmission is no doubt the migration trend. It provides flexible transmission and fast service provisioning, allowing carriers to offer a wide range of diverse and appealing services. Transport multiplexing switching management supervision and survivability otn requires new network hardware. Jan 20, 2016 otn is the ideal technology to bridge the gap between next generation ip and legacy time division multiplexing tdm networks by acting as a converged transport layer for newer packetbased and existing tdm services. Optical transport network otn fujitsu united states.
Optical transport networking keyword found websites. The wdmotn solution is reliable and easy to maintain. Application note flexible optical transport network otn access up to 100g a transition is occurring in optical transport networking as network operators move from using otn solely as a digital wrapper for enhanced dense wavelength division multiplexing dwdm performance to using it as a switching mechanism for the next. Cisco ncs 4000 optical transport network otn line cards otn provides robust transport services that leverage many of the benefits of sonetsdh such as resiliency and performance monitoring, while adding enhanced multirate capabilities in support of packet traffic, plus the transparency required by dwdm networks. Optical transport network market growth, trends, and. Pdf optical transport protocol extensions open networking. Often, operators attempt to address the capexopex quest by converging a number of functions onto a single network element. 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. Otn is an industrystandard optical transport protocol itu g. Otn optical transport network with the recent updates to the itut g.
The optical transport hierarchy oth is a new transport technology for the optical transport network otn developed by the itu. According to cignal, a wellknown consulting firm in the telecom industry, huawei continuously ranks no. The aim of the optical transport network otn is to combine the benefits of sonetsdh technology with the bandwidth expandability of dwdm. The optical transport network market was valued at usd 23.
Optical transport network otn forward error correction. With the advancements in internet of things iot and machinetomachine m2m communications, a substantial amount of data is expected to be generated. The optical transport network otn is evolving fast a transformation. Leveraging costoptimized fpgas to deliver otn mapper. Optix osn 9800 is huaweis next generation core packetoptical otn platform for 100g and beyond. Optical transport networks training course handson. 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. Network planning and cost analysis for optical transport. 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.
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