This Month's Issue September 2002 Volume 8 Issue 9 Subscribe to CSD Magazine Past Issues

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Master Transparent-Mode GFP: Part 2
By Steve Gorshe
Part 1 of this two-part series - which originally appeared in the September issue of Communication Systems Design - laid out the basic operation of transparent-mode GFP as well as bandwidth issues. Now, we'll explore payload scrambling, client management frames, and protocol extension.

Features
Master Transparent-Mode GFP: Part 1
By Steve Gorshe
To optimize the use of currently available high-bandwidth optical pipes, a storage designer would do well to fully understand GFP-T.

Choose Wisely Between QAM and DMT for VDSL
By Steven Haas
The move to VDSL has many operators torn between QAM and DMT for their modulation scheme. Here's why QAM might be best.

Maximize the Metro With Resilient Packet Ring
By Martin Green and Lauren Schlicht
By taking the best of Sonet and Ethernet and adding myriad features of its own, RPR looks set to dominate metro- and wide-area networks.

Use Direct Conversion to Shrink WLAN Radio Costs
By Carl Andren
The combination of advanced technologies and good design practice has brought the benefits of direct-conversion radios to the masses.

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