LAN Emulation Components 2-3

LAN Emulation

This section identifies:

Components

General LANE Components

 

 

ATM Backbone SwitchModule LANE Components

General LANE

The major components of ATM LAN emulation are identified in

Components

Figure 2-3.

Legacy LANs

LAN emulation bridge with one or more LAN emulation clients (LECs)

AT M

n e t w o r k

LAN Emulation

Configuration Server (LECS)

LAN Emulation

Server (LES)

Broadcast and Unknown

Server (BUS)

LAN Emulation

Client (LEC)

Figure 2-3General LAN Emulation Components

Each of the major LAN emulation components are defined here.

LAN Emulation Client (LEC)

The LAN Emulation Client is the entity in an end system that performs data forwarding, address resolution, and other control functions for a single end-system within a single ELAN. Each LEC is identified by a unique ATM address and is assigned to an ELAN in the ATM network.

LAN Emulation Configuration Server (LECS)

The LAN Emulation Configuration Server assigns individual LECs to a particular emulated LAN (ELAN) by directing them to the LAN emulation server that corresponds to the ELAN.

LAN Emulation Server (LES)

The LAN Emulation Server implements the control functions for a particular ELAN. There is only one logical LES for each ELAN. A LEC that belongs to a particular ELAN is controlled by the LES for the ELAN.

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3Com 5000 ATM manual LAN Emulation, Components