station welcomes new clients. Clients from Ethernet or Token Ring environments are greeted
and assigned to an ELAN. Each client gets a visitor's badge and ID information. The badge and
ID information consist of a unique address. The client can be identified by its address, which
includes the ATM NSAP and MAC address. If the frame needs advice about how it will get to
its destination, it goes to the LES (Lane Emulation Server) information booth.
address for the frame. In the event that the LES hasn't heard of the new destination, it contacts
the BUS (Broadcast and Unknown Server). The BUS finds the destination. As soon as the client
has the ID information and knows where the destination address is, it is ready to cruise at
high speed.
on ATM Lane, Billy says that life is so good, it's like living in a cloud.
ATM. Thanks to ATM LANE, users can receive high-speed, guaranteed, real-time information
while using a legacy LAN network. The following sections define and describe the four logical
components in the LANE specification.
responsible for assigning each LEC to an ELAN. The LECS makes the ATM addresses
available to the LES.
resolution using the LAN Emulation Address Resolution Protocol (LE-ARP). When a device
requests address information, it gets the information from the LES.
broadcast to all stations to find the unknown client. Also, the BUS provides an important part
of LAN emulation. Much of LAN traffic involves broadcasts and multicasts. To emulate the
LAN, the BUS handles broadcasts and multicast requests across the ATM cloud.