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An E-Line is a service type defined by the MEF for connecting exactly 2 UNIs where those 2 UNIs can communicate only with one another. E-Lines are defined in MEF 6.2 and MEF 10.3.

EPL (Ethernet Private Line) and EVPL (Ethernet Virtual Private Line) are both services under the E-Line service type.

 

 

 

Service Type 

Port-Based 

(All to One Bundling

VLAN-Based 

(EVC identified by VLAN ID) 

E-Line 

(Point-to-Point EVC) 

Ethernet Private Line 

(EPL) 

Ethernet Virtual Private Line 

(EVPL) 

E-LAN 

(Multipoint-to-Multipoint EVC) 

Ethernet Private LAN 

(EP-LAN) 

Ethernet Virtual Private LAN 

(EVP-LAN) 

E-Tree 

(Rooted-Multipoint EVC) 

Ethernet Private Tree 

(EP-Tree) 

Ethernet Virtual Private Tree 

(EVP-Tree) 

 

 

E-Lines are used to create, among other solutions: 

  • Private lines
  • Ethernet Internet access
  • Replacement for TDM private lines

E-Lines are the most popular Carrier Ethernet service due to their simplicity.

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titleSource(s) and Reference(s)

MEF 6.2 | MEF 10.3 |

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