Request pdf architecture of an enhanced packetoptical transport system this paper describes an upcoming technology, currently under development. Architecture of an enhanced packetoptical transport system. Packet optical networking is claimed to be the answer to some tdmbased sonetsdh networking problems. Also commonly called digital wrapper, otnor optical transport networking is a nextgeneration, industrystandard protocol that provides an efficient and globally accepted way to multiplex different services onto optical light paths. Evolving the metro infrastructure with fujitsu paul havala sam lisle jun tanaka kazuyuki miura manuscript received april 10, 2009 network providers have relied. Solution options alison izard there are a number of options for modernizing your transport network, including native tdm switching.
The development of packet transport network technology has been aimed at achieving functionality similar to that of traditional transport networks achieved by sdh or otn, which. The 5400 family offers multiterabit packetoptical switching platforms that transform networks into scalable, flexible, costreduced, serviceenabling infrastructures to meet todays. Understanding optical transport network otn to cvtdallas. Optical transport use cases open networking foundation. Packet optical networking combines these two outstanding technologies, positioning them to dominate the next generation of transport networks. The challenge otn sonetsdh wdm mplstp pbbte tmpls ipmpls pbb ason which. While metro networks are moving toward converged transport and switching, the core network today consists primarily of standalone dwdm elements, optical. White paper sdh network modernization with multiservice otn prepared by sterling perrin senior analyst, heavy reading. Looking for network architecture that will enable you to migrate from a circuitswitched transport network to a futureproof packet based network. Comparing wavelengthswitched and digitallyswitched optical transport architectures. Datasheet 7100 nano packet optical transport platform. Packet optical the infinera way was written to help infineras customers, prospects and partners, and anyone else who needs to have a better understanding of the packet optical world.
Market research firms delloro and heavy reading disagree on who are the top optical network equipment vendors, especially for data center interconnect. It is based on the network architecture defined in itu. Otn is a complementary technology to coe and packet optical networking. Infinera was an early adopter in this transition to packet, bringing layer 2 ethernet functionality directly into metro and regional optical networks. An optical transport network otn is an interconnection of optical switches and optical fiber links. Network otn as a missing link to guarantee a smooth evolution from legacy networks.
Packet optical transport system pots tdm wdm packet eth, ipmpls packet optical transport system pots packet centric transport metro pots keys. Originally called the physical layer, today layer 1 tends to be used to describe the otn layer in classical transport networks. The adtran optical networking edge one portfolio is a packet optical, right sized. Define dense wavelength division multiplexing dwdm open packet transport architecture, that triggers new pace of technology innovation. Paul goransson, chuck black, in software defined networks, 2014. Purposebuilt for packet optical and wavelengthbased transport. Iptv business ethernet epl evpl elan hsi l3 vpn backhaul vod. The optical transport network otn standards, defined by the itut g. This workshop benefits individuals that would like to. Adopting a packetoptical architecture typically begins by modernizing sonet sdh core networks to an otn based multiservice core and from there expanding. Otn provides the network management functionality of sdh and sonet. The network operators profiled are bt group plc and verizon communications inc.
Otn is an industrystandard optical transport protocol itu g. The adtran optical networking edge one portfolio is a packet optical, rightsized. A migration from a legacy network to a new packet transport network is one of the most serious issues for telecom carriers. Migration to packet and optical transport networks. Our optical transport technologies let you deliver bandwidth that meets the needs of large enterprises, cloud operators, and internet content providers. Transport operational model addresses growth in packet traffic and services service flexibility p2p private lines, video transport, multipoint, best effort traffic as wells as. Solving the daa capacity crunch with packet optical transport. Optical transport networks have been migrating from sonet technology to. 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. Sdh like features in packet networks optical transport network. Nextgeneration packetbased transport networks ptn 3 vpws pseudowire pseudowire pw emulates the operations of a layer 2 pointtopoint service over a packet. They transmit bits using various encoding and multiplexing techniques. The core packetoptical transport evolution heavy reading. Section v profiles two network operators that have very different strategies for their core network migrations.
The itus optical transport network otn, as defined by recommendation g. Lockout of protection lo, forced switches fs, manual switches ms. The project is an engineeringfocused effort led by major operators, technology vendors and research institutions. Optical transport use cases optical transport working group. Adtrans one portfolio is an edgeoptimized optical transport system that enables. Packetoptical transport for metroregional networks xtm. Fujitsu, a founding partner of the open network operating systemonos community, recently demonstrated a use case of packet.
The optical transport hierarchy oth is a new transport technology for the optical transport network otn developed by the itu. Sdnbased optical networks effectively support the slicing and intelligent operation of 5g networks. This article explains what the technology is, and what it can do for you. Application note infineras packet optical technology. Cienas 6500 packetoptical platform converges packet, optical transport network otn, and flexible wavelogic photonics capabilities in a single platform, as well as across multiple shelf. Other fujitsu optical sdn efforts are targeted toward otn. Optical transport network an overview sciencedirect topics.
Packet optical transport workshop open line system. Coriant metroregional packet optical portfolio overview. Optical, packetoptical, ip and softwaredefined networking sdnnetwork function virtualization nfv expertise empowering multilayer, multidomain and multivendor solutions open. Packet optical transport pot packet optical transport is the combination of wavelength and evc vlan level switching provides high order and low order switching.
Heavy reading the core packetoptical transport evolution. Optical transport network market growth, trends, and. Packet optical networks have boomed in recent years, driven by the welldocumented traffic growth in many sectors of the telecom market and the migration to ethernetbased services. Purposebuilt to consolidate packet optical service. A migration from a legacy network to a new packet transport network is one of. This one day workshop introduces students to the juniper optical open line system.
Telecommunications industry and service provider networks must quickly. 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. Packet optical transport workshop open line system tcxw is an introductorylevel workshop. What is packet optical technology and what can it do for. Convergence of ipbased and optical transport networks. Also commonly called digital wrapper, otnor optical transport networkingis a nextgeneration, industrystandard protocol that provides an efficient and globally accepted way to. Optical transport is gradually shifting from the sonetsdh standard to packetcentric solutions a move that requires operators to replace legacy mstp. Open networking foundation optical transport use cases.
The cisco network convergence system 4200 series delivers bestinclass circuit emulation, optical transport network, and carrier ethernet capabilities. Adopting a packetoptical architecture typically begins by modernizing sonetsdh core networks to an otn based multiservice core and from there expanding. 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. Australian electricity provider deploys cienas coherent optical solutions. Packet optical transmission examining verizons transition to a packet optical infrastructure 2 agenda.
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