Virtual Leased Line Services108FD 100/320Gbps NT and FX NT IHub Services Guide3HH-11985-AAAA-TQZZA Issue: 13Figure 9 Epipe/VLL Service4.2.2 Traffic Management SupportAn aggregate egress rate limiter can be associated to an Epipe service. The ratelimiter applies to traffic associated to the service which egresses on regular ports(network ports). Committed rate and peak rate are configured, optionally, committedand peak burst size can be configured.Ingress and egress network QoS policies are applied to an Epipe service withrespect to the Pseudo-Wire (PW). They apply respectively to traffic received on thePW and to traffic sent in the PW.An ingress QoS policy is applied to an E-pipe service with respect to traffic receivedfrom the SAP.A separate QoS policy is applied to self-generated traffic in the scope of an E-pipeservice.4.2.3 Pseudo-Wire RedundancyA Pseudo-Wire over MPLS is protected for failures in the network, by the virtue of theMPLS tunnel adapting to the IGP topology. An MPLS tunnel is established along theIGP shortest path. In case an LSR fails, the tunnel is broken and will bere-established along the newest IGP shortest path.Customer 1Customer 2Customer 2Customer 1EPIPE (VLL) Service 1EPIPE (VLL) Service 2IP/MPLS Network
