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ETSI standardises Ethernet over DTM 12 June 2002 Net Insight, a provider of real-time broadband infrastructure technology, has standardised Ethernet transport over its network technology DTM (Dynamic synchronous Transfer Mode). The specification was unanimously approved by the members of ETSI, the European Telecommunications Standards Institute. The official standard document was published on May 6th. "The approval of an Ethernet transport service is probably the most important part in the entire standardisation of DTM, as Ethernet is the dominant interface for IP", said Christer Bohm, CTO at Net Insight. The Ethernet over DTM standard, named ES 201 803-7 by ETSI, specifies how the DTM protocol transports Ethernet traffic, such as IP, in a DTM multi-service network environment. The connection-oriented DTM improves Ethernet characteristics as it provides an underlying transport layer that is able to guarantee the quality of service. "The standardisation can speed up the deployment of network solutions for real-time IP applications, as DTM is able to heal the shortcomings of Ethernet transport. Operators can add guaranteed quality of service in existing networks without adding to the cost," continues Christer Bohm. The DTM specification for Ethernet transport enables multiple vendors to integrate their products with DTM systems. For example, xDSL equipment with Ethernet interface can be connected directly to a DTM backbone. A DTM network provides transport for all services in dynamic circuit-switched logical channels. Services such as high-quality IP video, online gaming and IP telephony can thereby be delivered over standard Ethernet interface with a minimum of delay and without interruptions.
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