| Publisher | Acterna Corporation | ||
|---|---|---|---|
| Format | 657.1KB PDF, requires Acrobat Rdr 5 | Date added | 02 Jan 2000 |
| Topics | Optical Networking, Monitoring Systems, Diagnostics and Analysis | ||
| Downloads | 667 | ||
Global liberalization in the telecom sector has lead to a virtual mushrooming of new network operators. The first step involves construction of high-speed ring structures covering multiple cities to provide interregional data transport. The final mile to end users is often provided by a regional urban network operator or another larger network operator. Smaller network operators sometimes find it more economical to lease network resources from larger operators than to build their own networks. As a result, complete SDH paths are routed via networks of different operators. However, this entails knowledge of the section or subnetwork in which the error is occurring. In the end run, it comes down to who is responsible in case the end user decides to make a legal claim. SDH and SONET technologies have a way of dealing with such issues. It is known as tandem connection monitoring (TCM).
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