Ce has evolved into a set of services that rely on a variety of technology elements to achieve these five attributes. Carrier ethernet a standard for carrier class ethernet services for network service providers. Carrier ethernet access technology overview this presentation describes how the mef specifications bring carrier ethernet services to the worlds access networks with examples of active ethernet direct fiber, wdm fiber, mso networkscoax and direct fiber, bonded copper, pon fiber and tdm bonded t1e1, ds3e3. This article explains four main innovations recently added to ethernet, namely improvements related to scalability, oam functionality. This presentation describes how the mef specifications bring carrier ethernet services to the worlds access networks with examples of active ethernet direct fiber, wdm fiber, mso networkscoax and direct fiber, bonded copper, pon fiber and tdm bonded t1e1, ds3e3. Towards 100 gigabit carrier ethernet transport networks.
Carrier ethernet defines product specifications, it doesnt care what technology is used. Combine programmability with physical hardware to create carrier class virtual services and functions. Pdf this paper provides a current assessment of carrier ethernet from a service. Flexray is considered the next generation stateoftheart technology for incar networks, while timetriggered ethernet emerges with the promise to integrate realtime and besteffort traffic. Siemens communications today announced that its carrier ethernet technology has been certified as compliant with specification 14 of the metro ethernet forum. Carrier ethernet has become the dominant technology in service provider networks. Carrier ethernet extends ethernet from the local area network lan to the wide area network wan, enabling companies to connect their ethernet lans to service provider networks via the same ethernet interface they use to attach every device in the network. Ethernet as a carriergrade and transport technology. This will become clear in rest of the part ii when the various commercial solutions currently employed to deliver carrier ethernet are discussed. The institue of electrical and electronics engineering standardized it later as ieee 802. Ethernet was developed in the early 1970s by dec, intel and zerox under the leadership of dr. Ethernet is a baseband lan specification invented by xerox corporation that operates at 10 mbps using carrier sense multiple access. Fr and atm are being grandfathered by many service providers.
Deciding between metro e services and carrier ethernet technology choosing various it services can be a difficult decision for a business owner simply because of the numbers of options available. It details how these services can be delivered over carrier core, metro and access networks along with other services deployed over a range of core transport and access technologies. Evolution of carrier ethernet technology choices and drivers 1, 2 ashwin gumaste, 2 naresh reddy, 3 deepak kataria and 4 nasir ghani 1 massachusetts institute of technology mit, cambridge, ma, usa 029. A carrier ethernet private line consists of a point to point connection with a dedicated bandwidth as defined in the contact with the carrier ethernet supplier. Ethernet s ubiquitous presence in the lans worldwide drives down the cost of ethernet as a technology. Other familiar layers would be the ip layer layer 3 as well as the tcp or udp protocols found in layer 4. Sachidananda kangovi, in peering carrier ethernet networks, 2017. Carrier ethernet services explained course onsite training. The diagram below outlines the different media used within a carrier ethernet network and indicates where they are commonly deployed. Increasingly customers have an ethernet interface large market demand for a wan service to look like cat5 or fibre ethernet cable cat5fibre connecting to an ethernet lan can and are delivered using existing carrier technologies sonetsdh, mpls, and atm ethernet services ethernet technology but. Dublinbusiness wireresearch and markets has announced the addition of the business carrier ethernet services market update, 2017.
The ethernet deployments aim at most costefficient data service. While ethernet is traditionally a local area network technology. With cisco s carrier ethernet and edge routing portfolio providers can profitably scale their network services, capabilities, and reach. Ethernet ring protection switching, defined in itut recommendation g. Pdf carriergrade ethernet for core networks researchgate. We now have come to the last chapter of this book, journeying through the changing landscape beginning with the invention of telephone in 1876 to the present state of information and communication technology in 2016 where peering carrier ethernet networks cens are poised to play an important role in ip backhaul. Also known as ethernet over fibre eof, this solution offers inherent protection and resiliency while enabling higher bandwidths to reach greater distances. Ethernet services offer tremendous benefits for enterprises, including highly flexible bandwidth options, the ability to quickly and easily increase bandwidth to meet evergrowing application bandwidth demands, and simplified network operations through a common technology for both lans and wans. Carrier ethernet is the use of high bandwidth ethernet technology for internet access and for communication among business, academic and government local area networks lan s. Just last month, ethernet technology summit announced a 25% yearonyear increase in its attendance, having started just four years ago 2009. Transport technologies for carrier ethernet mef reference. It has emerged as the dominant technology used in lan networking.
The purpose of this technology brief is to provide a technical overview of gigabit ethernet. Carriergrade ethernet ieee paper final submitted uc3m. So if a customer orders eline, they can expect all supported ethernet frames they put on the wire to come out at another location without modification, vlans intact, pbitsqos intact, within the specs performance parameters, regardless if the provider is. Ngn carrier ethernet transport direction characteristic sonet sdh optical otn roadms electrical otn pbbte mplstp ipmpls ethernet eline 10ge eline sub 10ge etree elan legacy fr atm tdm ip supporting already ethernet bridged l3vpn l3 unicast l3 multicast content access general traffic engineering 50ms restoration. Carrier ethernet network cen mef reference wiki mef wiki. Ethernet switch engine vitesse vsc7428 8port models vsc7429 12port models carrier grade ethernet switch chipset a powerful embedded 416 mhz risc 32bit cpu with ddr2 external memory and dmabased frame extraction and insertion supports timing over packet, ethernet oam, and performance monitoring. Ethernet is a family of technologies that provides datalink and physical specifications for controlling access to a shared network medium.
Ethernet over optical transport network alloptical switches 3. Mef microwave technologies for carrier ethernet mef february 2011 page 5 of 23 2. Carrier ethernet network an overview sciencedirect topics. Carrier ethernet is a marketing term for extensions to ethernet to enable telecommunications network providers to provide ethernet services to customers and to utilize ethernet technology in their networks. Carrier ethernet ethernet is a ubiquitous networking technology thats displaced almost all other legacy data transport. Oct 16, 2017 carrier ethernet providers manage, control and oversee such communication, leading to the possibility of expanding networks. Carrier ethernet services explained provides an overview of carrier ethernet technologies, the relevant mef ce 2. Carrier ethernet is also a service delivery technology used to deliver a variety of mefdefined types of connectivity services, including eline, elan and etree for retail services, and eaccess for wholesale. Pdf ethernet ring protection for carrier ethernet networks. Ethernet is an international standardized network technology that enables computers to communicate with each other in a local area network. Microwave technologies for carrier ethernet services. Rationale for the evolution of microwave there are significant benefits to using microwave in the access network.
This is driven by the massive increase of ipbased data traffic and the related applications. Single pair highspeed digital subscriber line shdsl 9. Improving resource utilization in carrier ethernet technologies. Business carrier ethernet services market update, 2017. It is a nonprofit international industry consortium, dedicated to worldwide adoption of carrier ethernet networks and services. Tdm, sonetsdh and atm are all giving way to ethernet due to its. Nextgeneration carrier ethernet transport technologies. The ethernet technology summit ets was held on april 24, 20 in santa clara, california and was held to discuss issues such as 40 gigabit ethernet, 100 gigabit ethernet, and 400 gigabit ethernet.
The 10gbe technology uses optical fiber and can replace complex asynchronous transfer mode atm switches and sonet. This article explains four main innovations recently added to ethernet, namely improvements related to scalability, oam functionality and enhanced forwarding capability in order to permit ethernet. These carrier based services continue to grow until today although new technologies are continually introduced to make both commercial and residential services. Peering carrier ethernet networks begins by providing background information on the evolution of important concepts and building blocks that have led to the current state of high bandwidth and high performance ethernet technology in order to support current and emerging customer applications. It doesnt help that some it companies are primarily concerned with their own bottom line and will therefore sell businesses on products or services. Understanding carrier ethernet throughput page 6 of 22 march 2010 ethernet primarily is defined in layers 1 and 2. Carrier ethernet services are designed to be delivered over all deployed transport infrastructures. In typical carrier ethernet architecture, there are three main components. In other words, pbbte is the application of ethernet to transport networks. Evolution of carrier ethernet technology choices and drivers. Carrier ethernet is high speed ethernet for metro area networks.
The technology was standardized as ethernet version 1 by a. Network architectures need to support all forms of network access, from fixedline to 4g to wifi to cable. Carrier ethernet attributes often manifest only partially in commercial solutions today because they exist at the networktransportphysical layers as opposed to the service layer6. Carrier ethernet article about carrier ethernet by the free. In fact, the majority of service providers believe that ethernet is a mature technology for carrier class deployments. This enables communities worldwide to gain network access.
The background information covered includes an overview of public switched telephone networks pstn. The connecting access network must keep pace to avoid an access bottleneck. When defining carrier ethernet services, the mef focuses on the external interfaces of the network uni and enni but leaves the choice to the service provider of how to transport the service frames across the network between the external interfaces. A station with data ready for transmission first listens. Carrier ethernet providers manage, control and oversee such communication, leading to the possibility of expanding networks.
Technologies used in ggregation networks and the core can vary. Carrier ethernet is the use of highbandwidth ethernet technology for internet access and for communication among business, academic and government local area networks lans. While traditional, lanbased ethernet is a besteffort technology, carrier ethernet has evolved to provide robust reliability and availability. Carrier ethernet a standard for carrierclass ethernet services for network service providers. By current ethernet lan standards, 10 gbe is a disruptive technology technology that unexpectedly displaces established technology that offers faster, more efficient, and less expensive data shuttling across network backbones. Carrier ethernet, therefore, is the extension of ethernet that enables service providers to provide premium ethernet services. Carrier ethernet article about carrier ethernet by the. Chapter 2 explains ethernet in local area networking, starting from first principles and simple contexts and gradually building up to include mac bridging and vlan bridging. Dec 15, 2011 carrier ethernet is a version of ethernet. Ethernet ring protection for carrier ethernet networks.
This allows the ethernet user data and headers to adapt to the specific infrastructure protocols. Ethernet over wavelength division multiplexing dwdm 4. Chapter 3 describes traditional telecom technology and wide area networking solutions prior to carrier ethernet. Carrier ethernet is uncontested as a technology to access business customers. Ethernet is a preferred means of deploying ethernet services to the last mile. It is overseen by the metro ethernet forum mef who has an official definition for the technology.
These carrierbased services continue to grow until today although new technologies are continually introduced to make both commercial and residential services. It defines native ethernet packet access to the internet as well as increasing penetration of wireless networks, which present a direct challenge to the traditional sonet telephony infrastructure, and promises wide area networking scalable beyond 10gbps using ubiquitous ethernet technology. This capacity is sufficient for most carrier ethernet applications. To transport an ethernet service, a number of techniques can encapsulate ethernet frames into various transport infrastructure types.
If you connect anything that uses data, youre probably using ethernet to do it. The architecture of the gigabit ethernet protocol, including physical interfaces, 802. This will become clear in rest of the part ii when the various commercial solutions currently. Ethernet over carrier ethernet transport cet proponents of carrier class ethernet argue ethernet is the best for metro area networks because all data traffic originates as ethernet. Ethernet was originally developed by xerox in the 1970s, and operated at 2. Carrier ethernet is an infrastructure technology that can be implemented over many different types of layer 1 transport network technologies. Pdf over the past decade ethernet has increasingly become a common and widely deployed technology in carrier networks.
Abstract recent innovations in the ethernet netwo rking technolgy are enhancing both the scalability and capability of ethernet as a carriergrade and transport technology. Existing technology is reused to as great an extent as possible, while enhancements are focused on the specific needs of carrier transport networks. Our customers rely on integrated smart technologies such as datacryptor to protect. Ethernet as a packetbased, connectionoriented technology is deployed for metro networks worldwide today. This technology spans greater distances with a thinner, lighter, more flexible deployment than other mediums. Ethernet technologies are rapidly gaining importance as a prevailing solution for carrier networks. Metro e services carrier ethernet technology abc tech. The users ethernet frames are strictly separated from other users at the ethernet layer, although the same physical lines may be used. Driving this growth is the demand from business customers for scalable services, higher bandwidth and lower costs. The role of carrier ethernet in business applications mef.
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