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Digital Subscriber Line Access Multiplexer (DSLAM) Example Design

Digital Subscriber Line Access Multiplexer (DSLAM) Example Design

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<strong>Digital</strong> <strong>Subscriber</strong> <strong>Line</strong> <strong>Access</strong> <strong>Multiplexer</strong> (<strong>DSLAM</strong>) <strong>Example</strong> <strong>Design</strong><br />

• Static Route Table Manager<br />

• Rate Manager .dll<br />

The following are not addressed:<br />

• Ethernet and Frame Relay processing<br />

• ATM ARP<br />

• ATM signaling<br />

• TM4.1 compliance (Transmit Processor)<br />

Receive Processor software is written using microcode in microblock architecture while Transmit<br />

Processor software is written in microengine C using microblock architecture.<br />

1.3 Execution Environment<br />

1.3.1 Software<br />

1.3.2 Hardware<br />

The software execution environment supported by the Developer’s Workbench is described in the<br />

Processor_2ixp_README.txt file that accompanies the source code files for the project (<strong>DSLAM</strong><br />

directory). This includes descriptions of the directory and file structure, and also how the project<br />

can be re-configured.<br />

The software simulation of the example design is fed test data streams via the NetworkTraffic DLL<br />

and the NetSim DLL.<br />

In the simulation environment, the IP and ATM VC table management software are emulated with<br />

a combination of Transactor (simulator) foreign models and interpreted Transactor scripts.<br />

The example design was not supported on hardware at the time of the release of this document.<br />

6 Application Note

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