Technology news and Jobs arrow Telecommunications arrow Juniper unveils new 1.6Tbps core router to counter Cisco CRS-1
Juniper unveils new 1.6Tbps core router to counter Cisco CRS-1 E-mail
by Stuart Corner   
Tuesday, 12 June 2007
Juniper Networks has unveiled the T1600, a new core router for carrier networks that it hopes will give it  lead on archrival Cisco Systems. A key feature, and a departure from much current thinking on core network architectures, is that the T1600 will enable service policies and priorities to be applied in the core of the network rather than at the edge.

When it comes to the very high end core routers that are at the heart of today's, and future, all-IP networks there are really only two players: Cisco and Juniper Networks. Juniper's current offering is the T640 with 1.2Tbps of throughput, launched in 2002 (the T1600 is not due to ship until Q4 of 2007). Through Juniper's TX matrix technology 10 T640s can be strung together to give a throughput of over 10Tbps. However this will not be possible with the new T1600 until some time later. 

Cisco upped the ante significantly in 2004 with the launch of the CRS-1, billed as the culmination of the most ambitious R&D project in the company's 20-year history. The basic unit had a throughput of 1.28Tbps and multiple units could be strung together to give a staggering 92Tbps of throughput. To drive the CRS-1 Cisco developed a totally new operating system, IOS-XR.

Unlike Cisco's technology all Juniper's T series routers run the same Junos operating system and Juniper claims that the T1600 will use the same chassis as the T640, enabling a T640 to be upgraded to a T1600 by a simple card swap and OS upgrade, a process it claims takes only 90 minutes. This could prove a strong selling point as the five year old T640 is now, for core router technology, getting fairly long in the tooth. Juniper also claims that the T1600 uses 30 percent less power (and hence cooling) than the CRS-1 and has 2.5 times the capacity of the CRS-1 in the same footprint.

In what can hardly have been co-incidence, Cisco announced on the same day (11 June) that it had shipped 900 CRS-1s to 85 customers and it named a new customer, French alternative telco Neuf Cegetel which has over four million residential customers.

The most important feature of the T1600 however is its support for Juniper's Session Resource Control (SRC) technology. Juniper against the accepted wisdom that the core of next generation networks should consist of relatively 'dumb' high throughput switches with the intelligence in the edge routers. According to Juniper SRC ,"maximises service control and speeds the deployment of multiplay applications such as video on demand (VoD) and broadcast video, as well as many other solutions including fixed mobile convergence and IP multimedia subsystem (IMS).

Kim Perdikou, executive vice president of Juniper's Infrastructure Products Group and general manager, Service Provider Business Team, said: "With the T1600 we will be delivering high performance at double the scale with reliability across the service-aware, next-generation core that accelerates multi-service and revenue opportunities for our customers."

 
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