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Ultra-Broadband

Test Shows FiOS Handles Two-Way 10Gig

Verizon Communications Inc. (NYSE: VZ) has taken its trials of XG-PON technology to the next step, conducting a field trial of symmetrical 10Gbit/s service over an existing FiOS fiber-to-the-premises network.

The trial involved the Elks Lodge of Taunton, Mass., which was already a FiOS customer on GPON deployment and some pre-standard XG-PON2 technology from Alcatel-Lucent.

Verizon had earlier tested XG-PON in Taunton using Motorola gear. (See Verizon Tests XG-PON With Moto Kit.)

For the trial, a 10Gig PC at the Elks Lodge was linked directly to a 10Gig PC at Verizon's central office, which served as the video server. The test included continuous transfer of data from 20 concurrent clients using commercial Web server applications, to simulate use by 20 employees, and show an application layer throughput of 9.1 Gbit/s, symmetrically. Also, a 2.3GB movie was downloaded in about four seconds. A 6.9GB medical image file was downloaded in 11 seconds, in an additional test.

The field trial is not an indication of readiness to deploy, however. The ITU is still ratifying XG-PON1 standards and has not yet begun ratification of XG-PON2. According to a company spokesman, Verizon has not announced any XG-PON deployment plans. But the company has been active in testing XG-PON with multiple vendors. (See Verizon: Huawei No Shoo-In for XG PON .)

The test is significant for Verizon, however, because it indicates the ability of its deployed FiOS network to support symmetrical delivery of high-bandwidth applications such as telemedicine, two-way video, and cloud-based services in the future.

— Carol Wilson, Chief Editor, Events, Light Reading

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