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- Metro_Ethernet abstract "A metropolitan-area Ethernet, Ethernet MAN, or metro Ethernet network is a metropolitan area network (MAN) that is based on Ethernet standards. It is commonly used to connect subscribers to a larger service network or the Internet. Businesses can also use metropolitan-area Ethernet to connect their own offices to each other.An Ethernet interface is much cheaper than a SONET/SDH (Synchronous Digital Hierarchy) or PDH (Plesiochronous Digital Hierarchy) interface of the same bandwidth. Another distinct advantage of an Ethernet-based access network is that it can be easily connected to the customer network, due to the prevalent use of Ethernet in corporate and, more recently, residential networks.A typical service provider's network is a collection of switches and routers connected through optical fiber. The topology could be a ring, hub-and-spoke (star), or full or partial mesh. The network will also have a hierarchy: core, distribution (aggregation), and access. The core in most cases is an existing IP/MPLS backbone but may migrate to newer forms of Ethernet transport in the form of 10Gbit/s, 40Gbit/s, or 100Gbit/s speeds or even possibly 400Gbit/s to Terabit Ethernet network in the future.Ethernet on the MAN can be used as pure Ethernet, Ethernet over SDH, Ethernet over MPLS, or Ethernet over DWDM. Pure Ethernet-based deployments are cheaper but less reliable and scalable and thus are usually limited to small scale or experimental deployments. SDH-based deployments are useful when there is an existing SDH infrastructure already in place, its main shortcoming being the loss of flexibility in bandwidth management due to the rigid hierarchy imposed by the SDH network. MPLS-based deployments are costly but highly reliable and scalable and are typically used by large service providers.".
- Metro_Ethernet thumbnail Optical_Metro-5200.jpg?width=300.
- Metro_Ethernet wikiPageExternalLink forums.
- Metro_Ethernet wikiPageExternalLink www.ethernetacademy.net.
- Metro_Ethernet wikiPageExternalLink 0,6583,19479-The_Challenges_of_Ethernet_Access,00.html.
- Metro_Ethernet wikiPageExternalLink mpls-over-ethernet.php.
- Metro_Ethernet wikiPageExternalLink www.metroethernetforum.org.
- Metro_Ethernet wikiPageID "2120578".
- Metro_Ethernet wikiPageRevisionID "587771182".
- Metro_Ethernet hasPhotoCollection Metro_Ethernet.
- Metro_Ethernet subject Category:Ethernet.
- Metro_Ethernet subject Category:Metropolitan_area_networks.
- Metro_Ethernet subject Category:Network_topology.
- Metro_Ethernet type Abstraction100002137.
- Metro_Ethernet type Group100031264.
- Metro_Ethernet type MetropolitanAreaNetworks.
- Metro_Ethernet type Network108434259.
- Metro_Ethernet type System108435388.
- Metro_Ethernet comment "A metropolitan-area Ethernet, Ethernet MAN, or metro Ethernet network is a metropolitan area network (MAN) that is based on Ethernet standards. It is commonly used to connect subscribers to a larger service network or the Internet. Businesses can also use metropolitan-area Ethernet to connect their own offices to each other.An Ethernet interface is much cheaper than a SONET/SDH (Synchronous Digital Hierarchy) or PDH (Plesiochronous Digital Hierarchy) interface of the same bandwidth.".
- Metro_Ethernet label "Metro Ethernet".
- Metro_Ethernet label "Metro Ethernet".
- Metro_Ethernet label "Réseau ethernet métropolitain".
- Metro_Ethernet label "広域イーサネット".
- Metro_Ethernet sameAs Metro_Ethernet.
- Metro_Ethernet sameAs Réseau_ethernet_métropolitain.
- Metro_Ethernet sameAs 広域イーサネット.
- Metro_Ethernet sameAs m.06nkp4.
- Metro_Ethernet sameAs Q3050434.
- Metro_Ethernet sameAs Q3050434.
- Metro_Ethernet sameAs Metro_Ethernet.
- Metro_Ethernet wasDerivedFrom Metro_Ethernet?oldid=587771182.
- Metro_Ethernet depiction Optical_Metro-5200.jpg.
- Metro_Ethernet isPrimaryTopicOf Metro_Ethernet.
