It is not practical to expand most small networks beyond 1G or at most 2G dual teaming gigabit capacity per segment, since the bottleneck remains in the wide area links to other offices and online services. Retrieved from ” https: Carrier-Ethernet Transport CET usually involves an evolution of conventional Ethernet and comprises multiple technology components. Two types of technology have been widely used, while a third Carrier-Ethernet transport is rapidly emerging as a viable and logical option for Carrier-Ethernet services. To create a market in Ethernet services, it is necessary to clarify and standardise the services to be provided. Historically, competing protocols and cabling have been created in order to access higher speed devices than contemporary Ethernet-connected devices handled at an affordable price.

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This page was last edited on 9 Septemberat These standards allow for Ethernet networks of planetary scale.

Unsourced material may be challenged and removed. Bit rates have continued to increase, traditionally growing tenfold each time a new rate is defined. Archived from the original ep-4bwa9i Analogous definitions for wireless networks are defined in IEEE Views Read Edit View history. Meanwhile, the needs of such networks have expanded to include many services previously handled only on the LAN or by specialized connections, notably video and backup. The industry has made a concerted effort to resolve the limitations of Ethernet in the WAN described above, so as to allow the use of “native” Ethernet technologies by network providers.

Carrier Ethernet – Wikipedia

Please help improve it or ln these issues on the talk page. Accordingly, carriers must expand their services conservatively and pay close attention to Quality of Service QoS. From Wikipedia, the free encyclopedia.

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This is achieved by connecting customer premises equipment CPE to the network with provider-owned demarcation devices that are deployed at customer locations, thereby enabling a clear separation between the user and provider networks. Two types of technology have been widely used, while a third Carrier-Ethernet transport is rapidly emerging as a viable and logical option for Carrier-Ethernet services.

Rates up to Gigabit Ethernet were standardized in and Customer LAN networks are increasingly connected to wide-area telecommunications networks over Ethernet ep-4bea9 or to devices that bridge digital subscriber line DSL or wireless to these.

The principal concept was to bring the simplicity and cost model of Ethernet to the wide area network.

Services that try to expand too fast lose money while those that wait too long lose customers. Carrier Ethernet demarcation is a key element in Carrier Ethernet services and transport networks for business, wholesale and mobile backhaul applications, as it enables service providers to extend their control over the entire service path, starting from the hand off points.

Examples include FireWire and Light Peak. Thus, the use of Ethernet in a metro network allows service providers to take advantage of volumes that a much larger enterprise segment commands.

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One motive to create competing standards has been to drive down the price of comparable-speed Ethernet devices. This article needs additional citations for verification. Archived from the original on 23 September Ethernet ep-4bea9o a long history. This article has multiple issues.

This dominance has led to high production-volume components, which in turn have allowed extremely low cost per bit. To create a market in Ethernet services, it is necessary to clarify and standardise the services to be provided.

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Provider Backbone Bridging-Traffic Engineering wp-4bea9i allowing such an Ethernet to be controlled by an external control or management application for example, a network management application or a transport control plane such as GMPLS IETF RFCso as to allow the full range of traffic engineering policies and strategies to a network provider.

Ethernet’s ubiquitous presence in the LANs worldwide drives down the ep-4bwa9i of Ethernet as a technology.

November Learn how and when to remove this template message. Please help improve it to make it understandable to non-expertswithout removing the technical details. The OIF and the Ethernet Alliance have also been working cooperatively with their members to enable future enhancements to Ethernet for the WAN while looking to the future speed of Ethernet technologies and services.

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The MEF does not specify how Ethernet services are to be provided in a carrier network. This article may be too technical for most readers to understand. From the original copper coaxial cable format ” thicknet ” it has extended its scope to nearly all copper, optical fiber and lam physical media.

For example, time domain capabilities are being added to IEEE