The metro services vary depending on the target market—commercial or residential—and whether it is a retail service or a wholesale service. The following list gives a summary of some of the metro services that are promoted:
Transparent LAN service (point-to-point LAN to LAN)
L2VPN (point-to-point or multipoint-to-multipoint LAN to LAN)
LAN to network resources (remote data center)
LAN to Frame Relay/ATM VPN
Storage area networks (SANs)
Metro transport (backhaul)
Some of these services, such as Internet connectivity and TLS, have been offered for many years. The difference now is that these services are provided with Ethernet connectivity, and the carriers are moving toward a model in which all of these ...