Metropolitan Ethernet (Metro Ethernet) refers to the use of provider Ethernet technology in metropolitan Networks. Corporations, instructional establishments and authorities groups in large towns use Metro Ethernet to attach Branch campuses and offices to the Internet. In other phrases, Metro Ethernet connects commercial enterprise Local Area Networks (LAN) and give up customers to wide are networks (WAN) or the Internet.
Metro Ethernet is a service issuer series of Layer 2 or Layer three Switches or Routers connected via Optical Fiber. The Topology may be a hoop, hub and megastar or full or partial mesh.
Metro Ethernet may be used as pure Ethernet over Synchronous Digital Hierarchy (SDH), Ethernet over Multiprotocol Label Switching (MPLS) or Ethernet over dense Wavelength department Multiplexing (DWDM). Pure Ethernet Deployments are much less high priced but also less Scalable and dependable. Thus, they're also restricted to small-scale and experimental deployment. SDH-based deployments are beneficial whilst there is an established SDH infrastructure this is used by huge provider providers.
Metro Ethernet feasibility grew inside the past due Nineteen Nineties because of new technological developments that allowed obvious site visitors Tunneling thru Virtual LANs as point-to-point or multipoint-to-multipoint Circuits.
Metro Ethernet is broadly used for small-scale deployments with much less than a few hundred customers.
When we refer to Metro Ethernet as an acronym of Metropolitan Ethernet, we mean that Metro Ethernet is formed by taking the initial letters of each significant word in Metropolitan Ethernet. This process condenses the original phrase into a shorter, more manageable form while retaining its essential meaning. According to this definition, Metro Ethernet stands for Metropolitan Ethernet.
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