Pan-European service provider Vitel recently added RPR to their network in an effort
to gain competitive advantage in their service area. Vitel offers Ethernet services
in Germany, France, the Netherlands, Belgium, and Switzerland.
In 2004 JSC Ukrtelecom, the national operator in Ukraine also began building a
nationwide RPR network. JSC Uketelecom delivers voice and data to 9 million fixed-line
subscribers.
FiberNet is a competitive service provider in the UK. In 2004 the Metro Ethernet Forum
awarded them the ???European Metro Ethernet Service Provider of the Year 2004??”Best in
Business??? for their Ethernet service offering and network implementation. FiberNet also
uses RPR as the transport layer for their Ethernet services.
References
1. ANSI T1.105-2001, Synchronous Optical Network (SONET)??“Basic Description
including Multiplex Structure, Rates, and Formats.
2. ITU-T G.783, Characteristics of Synchronous Digital Hierarchy (SDH) equipment
functional blocks.
3. GR-1400-CORE, SONET Dual-Fed Unidirectional Path Switched Ring (UPSR),
Generic Criteria.
4. GR-1230-CORE, SONET Bidirectional Line-Switched Ring Equipment, Generic
Criteria.
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