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Ultra-Broadband

BBWF 2010: Euro Vendor Joins WDM-PON Fray

PARIS -- Broadband World Forum 2010 -- The potential broadband capabilities of WDM-PON, which can deliver a wavelength to each end user, have attracted another equipment vendor, with Swedish transport equipment firm Transmode Systems AB set to announce its entrance into the market here in Paris this week.

An official announcement is due Wednesday, but the company already has some literature on its booth here on the show floor that outlines its proposal -- a new solution called iWDM-PON (the "i" is for intelligent) that includes the company's existing metro WDM platform, a new AWG (arrayed waveguide grating) filter that separates the wavelengths for delivery to the end user, and new ONTs at the customer's premises.

Transmode is targeting its solution at backhaul and enterprise services deployments, not residential broadband.

The WDM-PON market is currently small, with LG-Ericsson Co. Ltd. leading the way, while ADVA Optical Networking , Nokia Networks , and Alcatel-Lucent (NYSE: ALU), among others, are developing variations on the approach. (See NWT picks LG-Ericsson WDM-PON, BBWF: WDM PON? Bring It On!, Finisar's Broadway Dabbled in WDM-PON, and Verizon: WDM-PON Still Sounds Expensive.)

WDM-PON is one of a number of next-generation technologies that could be deployed by network operators looking to take their broadband services beyond the capabilities of xDSL and current PON (BPON, EPON, GPON) technologies. (See No Sure Bets in NG PONs.)

What this week has shown, though, is that there's plenty of life left in DSL yet, and other approaches to getting more life out of existing copper plant. (See BBWF 2010: Adtran Rethinks FTTX Economics, BBWF 2010: NSN Takes DSL to 825 Mbit/s, BBWF 2010: Ikanos Boasts 100Mbit/s DSL, and BBWF 2010: Top 10 Topics.)

— Ray Le Maistre, International Managing Editor, Light Reading

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