Whitepaper Ethernet has become the prevalent and ubiquitous link-layer technology in the LAN and today more than 95% of all IP traffic originates and terminates in the Ethernet format. Because of Ethernet-'s ubiquity, simplicity, cost effectiveness, and scaleability there is significant customer…

…and network operator---is primarily supported by ITU-T Y.1731 and IEEE 802.1ag. The IEEE 802.3 Ethernet in the First Mile (EFM) standard (formerly 802.3ah) considers

White Paper Beyond Carrier Ethernet: Making Ethernet Performance-Grade Introduction TODAY, VIRTUALLY ALL NEW END-USER and most new machine-to- machine applications are designed around the Internet Protocol (IP). Within 99 percent of Local Area Networks (LANs), Ethernet is used to carry those IP…

…network ports. For Layer 2 services, the CN 4200 provides the end-customer a direct Metro Ethernet Forum (MEF) User Network Interface (UNI), including 802.3ah functionality, or aggregates traffic from subtending Ethernet access concentrators to deliver a variety of Ethernet-based services, such as: > Ethernet…

…Random Early Detection (RED) > Flexible Deficit Weighted Round Robin (DWRR) and Strict Priority Scheduling, SP/DWRR > Carrier-class Ethernet OAM: > 802.3ah EFM > 802.1ag Connectivity Fault Management (CFM) > Y.1731 performance management > 802.1AB Link Layer Discovery Protocol (LLDP) > IETF Draft Two-Way…

…Protocol (LACP) Jumbo Frames to 9216 bytes Layer 2 Control Frame Tunneling Carrier Ethernet OAM IEEE 802.1ag Connectivity Fault Management (CFM) IEEE 802.3ah Ethernet in the First Mile (EFM) IEEE 802.1AB Link Layer Discovery Protocol (LLDP) Y.1731 Performance Monitoring TWAMP Responder and Receiver TWAMP…

…monitoring capabilities > Outer door and inner cover removal alarms > Temperature and battery alarms > Dying gasp messaging Carrier-class Ethernet OAM > 802.3ah EFM > 802.1ag Connectivity Fault Management (CFM) > Y.1731 performance management > 802.1AB Link Layer Discovery Protocol (LLDP) > IETF Draft Two Way…

…monitoring capabilities > Outer door and inner cover removal alarms > Temperature and battery alarms > Dying gasp messaging Carrier-class Ethernet OAM > 802.3ah EFM > 802.1ag Connectivity Fault Management (CFM) > Y.1731 performance management > 802.1AB Link Layer Discovery Protocol (LLDP) > IETF Draft Two Way…

…Random Early Detection (RED) > Flexible Deficit Weighted Round Robin (DWRR) and Strict Priority Scheduling, SP/DWRR > Carrier-class Ethernet OAM: > 802.3ah EFM > 802.1ag Connectivity Fault Management (CFM) > Y.1731 performance management > 802.1AB Link Layer Discovery Protocol (LLDP) > IETF Draft Two-Way…

…Ethernet OAM The CN 3940 supports a rich set of OAM features as defined in the latest versions of IEEE, ITU, and IETF standards, including: > IEEE 802.3ah Ethernet in the First Mile (EFM) physical layer OAM, including link events and remote loopback > IEEE 802.1ag Connectivity Fault Management (CFM),…