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Network World - Juniper Networks this week will take its turn claiming innovation leadership in Internet core routing by unveiling its next-generation platform.
The Juniper T4000 boasts an industry leading 240Gbps per slot capacity, good for 4Tbps per half-rack chassis – a device optimized to handle booming video and other traffic on service provider networks.
Juniper's T4000 is the company's attempt to marginalize those claims. But then, Cisco will be back eventually to stake another temporary technological leadership claim in core routing, and the process will repeat itself. Indeed, Juniper and Cisco have been playing leapfrog in Internet core routing advances since 1998.
At 8Tbps per rack, Juniper claims the T4000 has double the port density of Cisco and other competing platforms. The router features over 2 billion packet/sec of forwarding performance, and can support 192 10G Ethernet, 16 100G Ethernet and 48 40G Ethernet wire-speed ports per system.
By contrast, Cisco's 16-slot CRS-3 is a full rack system with 4.48Tbps switching capacity and 140G per slot.
Also, Brocade just unveiled a 32-port 100G wire-speed Ethernet router that features a 15.36Tbps backplane and 480Gbps half-slot capacity, and forwarding performance of 4.8 billion packet/sec for IPv6. But Brocade has yet to make much of a dent in the worldwide core router market, where market watcher Dell'oro finds Cisco, Juniper and Huawei accounting for 97% of total.)
Cisco says the T4000 is a response to its CRS-3, which has 30 customers and $50 million in revenue booked.
"It's their response to us," says Mike Capuano, Cisco's director of service provider marketing. "They already announced the 250Gbps chipset. The CRS-3 is current shipping (whereas the T4000 won't ship until the second half of 2011). They wanted to get the news out early to slow that (CRS-3 momentum) down."
Slow is a word not to be associated with the T4000 or the T series as a whole, according to Juniper. Overall, the new router can support up to 384 oversubscribed 10G Ethernet ports per system; and Verizon and Internet2 have already deployed Juniper's 100G Ethernet interfaces on the T series routers. (Watch Evolution of the router.)
Driving the need for such capacity and performance, especially at 100G, is video. Two-thirds of consumer traffic on networks will soon include some form of video, Juniper says. Cisco says that 90% of Internet traffic will be video by 2014.
Using 100G, a 90-minute HDTV movie can be transmitted in one second, Juniper says. The technology also enables intelligent
processing of video flows, fast channel change and retransmission to improve quality, the company says.
Internet2 is using 100G to accelerate the processing of terabytes of data for scientific research. In one such project, 100G will be used to transfer data between the twin telescopes of the Gemini Observatory in Hawaii and the Chilean Andes, allowing astronomers in both hemispheres to share data simultaneously.