Verizon is now ready to deliver 8Gbp/s speeds to customers around the country, having achieved a production-level NGPON2 network with Calix.
In fact, subscribers will access speeds of almost 10Gbp/s -- although Verizon will not advertise these rates, said Vincent O'Byrne, director of technology at Verizon, in an interview with Broadband World News at Calix ConneXions in Las Vegas. The network reached 940Gbp/s, but regulatory issues and forward error correction (FEC) consume some of that bandwidth, he said.
"In the future, we're looking at NGPON2 optics for high-link budgets to turn FEC off to deliver true 10-gig," said O'Byrne, referring to the distance between ONT and OLTs. "You can only do that on NGPON2."
In the meantime, though, 8Gbp/s is a huge increase from many providers' 1Gbp/s offerings, of course. And perhaps even more importantly today, Verizon's network architecture will support a vast surge in network performance and accelerate its delivery of new service offerings due to NGPON2 standards and capabilities such as network slicing, he noted. (See Verizon: NG-PON2 Network Is in Production.)
What makes it tick
Verizon has made no secret of its NGPON2 goals. The communications technology provider began its quest about two and a half years ago, Lee Hicks, vice president of technology development and planning at Verizon, said in a keynote. Working with Calix, Verizon now has a production NGPON2 network and already sees results -- with more to come, he said.
"What used to take two years now takes three days," said Hicks.
"The Calix AXOS Intelligent Access Edge Solution collapses the functions of subscriber management, aggregation and OLT into a single system, enabling service providers to move fast by automating and dramatically simplifying operations in their network," said Michel Langlois, chief development officer at Calix. "In the face of ever-increasing subscriber demand, a simplified network is vital to delivering next-generation services."
When combined with NGPON2 -- which upgrade optical line terminals' (OLTs) hardware and software for higher speed, lower latency, operational simplification and increased automation in fiber networks -- Verizon gains more than speed and latency enhancements, said Hicks.
The solution also is very close to attaining long-desired Verizon goals, including OLT-ONT and OTT-to-OTT interoperability -- an accomplishment that will advance the entire industry, he said.
"This is something we always wanted to do but were never able to accomplish. We wanted to have OLT and ONT interoperability so I could use anybody's ONT with anybody else's OLT. The other model when you start to introduce multiple wavelengths is you want to be able have two suppliers' OLTs integrate so if one goes down, you can switch between one OLT to another…," Hicks said. "We think this will promote growth across the industry by allowing all kinds of suppliers to come in, especially specialty OLTs. We are very excited about what we can do with interop and Calix has been a great supporter of this."
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