Broadcom today upped the copper-based broadband ante with the production release of its BCM65550 -- a 212 MHz Gfast system-level vector processor, designed to enable service providers to deliver gigabit broadband services to high-density residential areas.
This latest iteration of Gfast -- 212 MHz -- is a powerful complement to fiber, used by providers to cost-effectively leverage the strengths of both copper and fiber to deliver high-speed, low-latency services to customers.
The BCM65550 supports up to 192 lines of vectored 212 MHz Gfast for high-density residential sites, the chip maker said. It builds on an earlier model -- the BCM65400 -- and incorporates that unit's Gfast modem and embedded vectoring solution, plus production 212 MHz Gfast, Broadcom announced. Vectoring cancels crosstalk across lines. This unit features both hybrid vectoring, to support parallel usage of Gfast and VDSL on one device, plus proxy vectoring, to support new Gfast cards as they are introduced into a legacy VDSL system.
Service providers most often use Gfast to serve multi-dwelling units (MDUs), which are pre-wired with copper. Today, providers can bring fiber-to-the-cabinet or basement, and use 212 MHz Gfast, with vectoring, to deliver high-speed broadband at comparable speeds to full-fiber. If a building owner wishes to replace copper wiring with full-fiber at any time, a service provider has earned revenue on the copper solution in the interim. With the BCM65550, Broadcom said it is now is targeting higher density residential areas, such as neighborhoods and suburbs.
"As demand for gigabit speeds rises, it is crucial that operators address this requirement by moving fiber closer to the customer, but there can be a significant challenge here in regard to costs and logistics especially in high-density MDU markets," said Robin Mersh, CEO of Broadband Forum, in a press release. The Broadband Forum has a certification program for Gfast interoperability. "Broadcom's latest Gfast system-level vectoring solution is an effective way for operators to deploy and deliver gigabit broadband services for those MDU markets," Mersh said in the release.
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The ongoing debate around GPON vs EPON can get as heated as discussions around politics and religion, but both technologies offer some advantages over the other depending on the needs your network is servicing.
In this webinar, we will focus on the facts around the GPON vs EPON debate and how that technological decision is almost always made based on factors outside the technology itself.
In this insightful Light Reading radio show, Kurt Raaflaub, Head of Strategic Solutions Marketing, will outline the key service provider challenges, deployment considerations, next-gen Gigabit technologies, and service models to win market share in the rapidly growing MDU market.