A physical topology is how they are actually interconnected with wires and cables. For example, in a shared Ethernet network that uses hubs rather than switches, the logical topology appears as if ...

A standard for carrier-class Ethernet services for network service providers. Carrier Ethernet extends Ethernet from the local area network (LAN) to the wide area network (WAN), enabling companies ...

the whole network fails if the switch fails as no node can communicate a wired star topology requires plenty of cable - in a large network this can be expensive Star topologies tend to be found in ...