Native Networks and Sorrento Networks announce interoperability between optical networking platforms

Sept. 6, 2001--Native Networks and Sorrento Networks announced completion of interoperability tests between Native Networks' optical transport platform and Sorrento Networks' GigaMux system.

Native Networks, a developer of optical solutions for the access network, and Sorrento Networks (NASDAQ: FIBR), a supplier of end-to-end, intelligent optical networking solutions for metro and regional applications worldwide, announced the successful completion of interoperability tests between Native Networks' EtherMux-M optical transport platform and Sorrento Networks' GigaMux system. The testing demonstrated end-to-end, error-free transmission of high-bandwidth packet traffic over multiple wavelengths on the GigaMux system as well as recovery and other features implemented by both companies' equipment.

The tests were carried out between the EtherMux-M OC-48c/STM-16 SONET/SDH interface from Native Networks and Sorrento Networks' GigaMux Metro-DWDM system. Testing was held and completed at the Sorrento testing laboratory in San Diego, California.

The successful completion of testing highlights the benefits of direct connection between Native Networks' and Sorrento's equipment for next-generation optical solutions. The combined architecture of Native Networks' and Sorrento's equipment enables physical interoperability through compliance with the SONET/SDH standard, functional interoperability through the support of delay-sensitive applications and better grooming for the access network. Such optical solutions enable large amounts of multi-service network traffic to be easily routed, very efficiently aggregated and comprehensively managed in the optical domain, greatly reducing deployment costs and simplifying network operations.

Native Networks NativeMux products is a new breed of transport equipment, which enables delivery of all layer 2 data protocols as well as legacy TDM circuits in their native form over the same optical infrastructure. The NativeMux products feature Ethernet over SONET/SDH with 10/100Mbps and GBE interfaces and TDM interfaces ranging from T1/E1 to OC3/STM1 and OC12/STM4. Coupled with the NativeView service-aware Network Management System, the NativeMux products, implementing unique traffic management algorithms, allow carriers to offer a large variety of connectivity services with verifiable, per-customer SLA and QoS.

About Sorrento Networks:

Sorrento Networks, headquartered in San Diego, California, provides intelligent optical networking solutions for metropolitan and regional carriers and service providers. For more information, visit www.sorrentonet.com.

About Native Networks:

Native Networks is a developer of high-speed transport solutions for optical access networks that deliver all protocols, packets and circuits in their native form. For more information, visit www.nativenetworks.com.

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