| Publisher | International Engineering Consortium | ||
|---|---|---|---|
| Format | HTML & PDF | Date added | 14 Aug 2003 |
| Topics | Optical Networking, Monitoring Systems | ||
| Downloads | 34 | ||
Synchronous optical network (SONET) offers cost-effective transport both in the access area and core of the network. For instance, telephone or data switches rely on SONET transport for interconnection.
The optical layer provides the foundation of transport services for both metro and long-haul applications. It also directly supports data services. The optical layer is now evolving to provide the same level of sophistication that has been achieved with synchronous transmission, such as performance monitoring and network resilience (i.e., the ability to recover quickly from a link being cut). Thus, the SONET layer will remain for some time.
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