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Alcatel- Lucent Integrating Network Layers For Efficiency

By IDG News Service Mon, Sep 21, 2009

Alcatel-Lucent set a course for integration of the two main components of long-haul service-provider networks, saying it will help carriers streamline their infrastructure.

"Today's IP and optical network elements just hand off traffic to each other without much interaction, and they are managed by separate teams," said Lindsay Newell, VP-Marketing- IP, Alcatel. "If you go to a router vendor, you get a router answer. If you go to an optical vendor, you get an optical answer," he added. Alcatel claimed it is skilled in both.

Alcatel aims to provide a granular way of feeding traffic from IP routers into optical infrastructure. Current routers from most vendors can map one router port to one wavelength of light for optical transport.

"Alcatel plans to offer the ability to send traffic from multiple ports or from multiple virtual LANs into a single wavelength. Carriers can use this to make efficient use of each wavelength, so they won't have to deploy or light up as many wavelengths,” said Newell.

The vendor is also delivering features such as IP over DWDM on service routers and elements of information exchange between IP and optical, such as alarm views and fault isolation. Next year, the company plans to provide static provisioning for port-level and VLAN traffic grooming. Later, the vendor will offer more dynamic interaction between the layers, including dynamic provisioning for failover, said Newell.

The integration can save carriers 30 percent in capex on a network built from the ground up with the new technology, he added. Savings for carrier networks with a large amount of existing infrastructure will be incremental, Newell claimed.

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