Multifunction Switch User Guide

Chapter 1 Overview
10 Avaya M770 M-ACCF/SF ATM Access Modules User’s Guide
Address Resolution
Address resolution is the procedure by which a LEC associates a LAN destination
with the ATM address of another LEC or the BUS. Address resolution allows clients
to set up data direct VCCs to carry frames (refer to Figure 1.5).
Figure 1.5 Address Resolution
Connection Management
In Switched Virtual Connection (SVC) environments, the LAN Emulation entities
(LEC, LES and BUS) set up connections between each other using UNI signaling.
LAN Emulation Components in Your Network
Each Emulated LAN consists of a single LANE Service, and a number of LAN
Emulation clients.
A LANE Service consists of:
•A LAN Emulation Server (LES)
•A Broadcast and Unknown Server (BUS)
•Optional LAN Emulation Configuration Server (LECS).
Figure 1.6 shows a logical view of a typical ELAN.