Learning IOS and JUNOS

MEF Services Overview MEF Ethernet Services are defined as connectivity services provided by a Service Provider's Carrier Ethernet Networks (CENs) to Customer Edge (CE) devices.  The connectivity service is modeled by an Ethernet Virtual Connection (EVC). The EVC is defined as an association of two or more User Network Interfaces (UNIs) that limits the exchange of Service Frames to UNIs in the EVC.  An Ethernet Service [9] [10] consists of an Ethernet Service Type and is associated with one or more Bandwidth Profile(s) and supports one or more Classes of Service. A service is also associated with a list of Layer Two Control Protocols such as Spanning Tree Protocol or Link Aggregation Control Protocol and a set of actions that specify how they should be handled. MEF Service Ethernet Service Types can be used to create a broad range of Subscriber services. The service types are characterized by their required connectivity [10]. The following service types have been define...