Nokia Siemens Networks unveils packet optical transport system

June 15, 2010
JUNE 15, 2010 -- Nokia Siemens Networks has added packet data handling functionality to the company’s hiT 7300 DWDM platform to create a packet optical transport system (P-OTS). The P-OTS is designed to enable traffic to move more efficiently through an operator’s network, rather than needing to be processed by routers at each stage.

JUNE 15, 2010 -- Nokia Siemens Networks has added packet data handling functionality to the company’s hiT 7300 DWDM platform to create a packet optical transport system (P-OTS). The P-OTS is designed to enable traffic to move more efficiently through an operator’s network, rather than needing to be processed by routers at each stage. This allows the network operator to address rising demand for bandwidth-intensive applications without having to undertake massive data traffic router capacity expansion, the company says. As a result, router resources can be dedicated to process higher-level, value-added services.

The P-OTS integrates Multilayer Protocol Label Switching – Transport Profile (MPLS-TP) functionality and protocol-agnostic switching to enable the hiT 7300 DWDM platform to handle both packet- and circuit-switched traffic with the same efficiency. It combines the scalability of photonic switching with the flexibility of electrical switching capacity from 1.5 to 24 Tbps, Nokia Siemens Networks says. In addition, the integrated Optical Data Unit (ODU) cross-connect functionality aggregates low-speed traffic and fills high-capacity transport channels to enable the installed optical network to handle more traffic, the company adds.

“With internet traffic growing fast and average revenues per subscriber declining, cost per bit is the most pressing issue for service providers,” said Uwe Fischer, head of optical networks product management at Nokia Siemens Networks. “This combination of MPLS-TP and optical technology allows the most cost-efficient transport of data traffic over a DWDM optical transport network. We allow service providers to implement a flexible transport architecture with the agility and scalability necessary to meet the dynamic requirements of their subscribers.”

The benefits of the next-generation P-OTS augmented with Nokia Siemens Networks’ TransNet network planning tool and managed via the company’s system-wide NetAct network management system. The P-OTS can be deployed by operators using Nokia Siemens Networks’ existing hiT 7300 platform as well as those building a new optical transport network.

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