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June 8, 2009
Juniper Networks Inc. (NYSE: JNPR) is announcing what it claims will be the first available 100-Gbit/s Ethernet interface for a router, targeting the kinds of requirements Verizon Communications Inc. (NYSE: VZ) has been talking about.
In fact, Verizon features prominently Juniper's press release: The carrier has been pining for a more efficient -- and cheaper -- way to deal with the multiple 10-Gbit/s Ethernet lines that populate its network. (See LR Live: Verizon Plots 100 GigE RFP and Verizon's Wellbrock: 100G Is Needed.)
Verizon has "a strong desire to bring 100-Gbit/s technology into the network primarily to simplify the topologies," says Luc Ceuppens, senior director of marketing at Juniper. "They have a lot of 10 Gbit/s now and can eliminate a lot of those links."
Juniper's 100-Gbit/s interface is going on the T1600 core router and is housed in a standard CFP module. It's intended, not for metro or long-haul reaches, but for the box-to-box connections within a data center or central office.
The T1600 can run 100 Gbit/s per slot without oversubscription, and its switch fabric has the capacity to operate without oversubscription even if all eight slots run 100-Gbit/s interfaces, Ceuppens says.
Last year, Cisco Systems Inc. (Nasdaq: CSCO) announced a demo of a 100-Gbit/s interface for its CRS-1 core router. (See Comcast, Cisco Test 100-Gig.)
Juniper might be faster to market, though, as it expects the T1600's 100-Gbit/s ports to go into customer trials later this year.
Verizon is targeting a 2010 deployment for 100-Gbit/s technology.
Companies including Ciena Corp. (NYSE: CIEN) and Nortel Networks Ltd. have begun toying with the idea of pure 100-Gbit/s feeds. But carriers are saying they really need a 100-Gbit/s wavelength as a carrying vehicle for multiple 10-Gbit/s feeds, Ceuppens says. "They need to eliminate some of the inefficiencies of link aggregation." (See Ciena Sending 100GE Live and Nortel Shows Single-Slice 100GE.)
Of course, some vendors still like the link aggregation approach, especially for transmitting data across longer distances. Brocade Communications Systems Inc. (Nasdaq: BRCD), now the owner of Foundry Network, talks about packing 32 10-Gbit/s Ethernet links onto one fiber. (See Foundry LAGs Ahead and Brocade Takes Aim at Cisco (& Juniper).)
The cost of the 100-Gbit/s link is going to be "just under" that of ten 10-Gbit/s links at first, Ceuppens says. How quickly that price drops will depend on component availability. Still, that's an improvement over 40-Gbit/s Ethernet, where the price remains higher than that of four 10-Gbit/s links, he says.
— Craig Matsumoto, West Coast Editor, Light Reading
Interested in learning more on this topic? Then come to Ethernet Expo 2009, Light Reading’s ninth conference and exposition covering the hot topic of Carrier Ethernet network technologies and services in North America. To be staged in New York, November 3 & 4, admission is free for attendees meeting our prequalification criteria. For more information, or to register, click here.
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