Telecommunications Glossary of terms used on this site

There are 236 entries in this glossary.
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Term Definition
E-LAN

Ethernet LAN service, or E-LAN, is a multipoint to multipoint (MP2MP) Ethernet service as defined by the Metro Ethernet Forum (MEF), providing a multipoint to multipoint (MP2MP) Ethernet Virtual Connection (EVC) between three (3) or more sites or subscribers and having common service attributes including the physical interface, traffic and peformance parameters, service frame delivery, Virtual LAN (VLAN) tag support, service multiplexing, bundling and security filter attributes.

Aliases (separate with |): ELAN|Ethernet LAN service
E-Line

Ethernet Line Services (ELS), or E-Line, is a point to point (P2P) Ethernet service as defined by the Metro Ethernet Forum (MEF), providing a P2P Ethernet Virtual Connection (EVC) between two (2) sites or subscribers and having common service attributes including the physical interface, traffic and peformance parameters, Service Frame delivery, Virtual LAN (VLAN) tag support, service multiplexing, bundling and security filter attributes.

Aliases (separate with |): ELS|Ethernet Line Services
E-Tree

E-Tree is an Ethernet service type that is based on a Rooted-Multipoint Ethernet Virtual Connection (EVC).

EFM

Ethernet in the First Mile, or EFM is defined by the Institute of Electrical and Electronics Engineers (IEEE) 802.3ah standard.

Egress Bandwidth Profile

An Egress Bandwidth Profile is a service attribute specifying the length and arrival time characteristics of egress Service Frames at the egress User Network Interface (UNI).

Egress EI Frame

An Egress External Interface Frame, or Egress EI Frame is an Ethernet Frame transmitted across the External Interface from the Ethernet Sub-Network (ESN) toward the Connected Sub-Network (CSN).

Egress Frame

An Egress Frame is a Service Frame sent from the Service Provider network to the Customer Edge (CE).

Egress Service Frame

An Egress Service Frame is a Service Frame sent from the Service Provider network to the Customer Edge (CE).

EI Frame

An External Interface Frame, or EI Frame, is an Ethernet frame which is transmitted across the External Interface (EI) toward the Ethernet Sub-Network (ESN) or an Ethernet frame transmitted across the EI toward the Connected Sub-Network (CSN).

EIR

Excess Information Rate

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