Optical Networking White Papers
Enabling Efficient, Dynamic Optical Networks: Applications & Economics of TeraBurst's Optical Core Switches
Overview
To relieve capacity constraints in SONET/SDH rings, dense wavelength division multiplexing (DWDM) technology has been used in point-to-point configurations. However, the prevailing
SONET ring architectures have become expensive to expand since adding capacity within a DWDM framework involves upgrading multiple rings and SONET add-drop multiplexers.
Furthermore, additional functionality is often achieved by adding network elements, resulting in an ‘overlay’ network. This type of additional capacity, besides being expensive does not address long provisioning times for end-to-end services, which remain in the ‘weeks/months’ timeframe. This has fueled a move away from traditional SONET-based networks towards a next-generation network model using new, scalable and flexible networks elements.
Furthermore, the explosion of traffic has resulted in changes in the management of networks - away from the STS-1/DS3 levels and towards higher rates (up to line rates). This implies
management of wavelengths within a DWDM environment without necessarily accessing tributaries within the SONET stream.
| Publisher | Teraburst Networks | File Format | PDF, requires Acrobat Rdr 5 |
|---|---|---|---|
| Date Published | May 2001 | Downloads | 9 |
| Format | White Papers | ||
| Topics | |||
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