3. Software Introduction

3.1 General Overview

The software architecture of the IDL-2402 is shown in the figure below. It can be divided into three layers: the management layer, the OAM&P layer, and the firmware layer.

Figure 3-1 Management Software Model

As in the figure, CLI shell, SNMP agent, and WEB server are in the top-most layer (management layer) of the system software and offering OAM&P function of the DSLAM based on the conceptual management features as follows:

„Configuration Management

„Performance Management

„Fault Management

The IDL-2402 uses flash memory as the database (DB) to store system configuration parameters. The firmware layer includes ADSL drivers, Memory and I/O control, etc.

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