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Cisco targets stock trading with data centre switch

Network giant mulls response to Juniper QFabric announcement

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Cisco apparently plans to soon unveil a data centre switch designed for high frequency financial trading markets, and may also be readying a switch fabric rollout similar to Juniper's recent QFabric launch.

The Nexus 3000 is a low-latency, high density 10 Gigabit Ethernet switch specifically designed for market trading. The one-rack-unit switch supports Layer 2/3 wire-rate switching and implements "advanced unicast and multicast routing protocol features," according to a short description on the Cisco website.

A link to the Nexus 3000 on the Cisco site, however, leads back to the main page and not to any further details on the switch. John McCool, senior vice president and general manager of Cisco's Data Center, Switching and Services Group, would not comment on the Nexus 3000 during an interview at this week's Cisco Partner Summit.

But sources say it is a response to Juniper's QFX3500, the first in the company's QFabric line of nodes and interconnects for flattening data centre and cloud infrastructures. With the fabric, data centre switches can be grouped logically and treated as a single entity, like one big switch. QFabric is the result of Juniper's 4-year-old Stratus project.

One source says the Nexus 3000 is based on the same Broadcom Trident chipset used in the QFX3500. This would be a departure for Cisco, which emphasises internal development of its own ASICs to tie its products into an end-to-end system architecture, to protect profit margins and to avoid commoditisation.

But the 3000 is not part of a "fabric play" like the QFX3500. Cisco's fabric play is in development under the code name "Jawbreaker," this source says.

Jawbreaker has two components, the source says: "Matrix," the fabric core, which is intended to compete with a forthcoming 40Gbps core from Juniper and "Sentinel," a new switch with 48 ports of 10G, four 40G Ethernet uplinks, and based on Broadcom's soon-to-ship Trident+ chipset. The Matrix and Sentinel systems are expected to ship in late 2012, the source says.

Cisco's McCool similarly declined to comment on Jawbreaker. "We're not planning a response (to Juniper)," McCool says. "We've led this transition to fabric-based networking."

Cisco's Nexus product line, announced three years ago, boasts 10,000 customers and 7 million ports shipped, and the Nexus 7000 is on a $1 billion run rate, McCool and other Cisco officials say. Cisco also last year announced FabricPath, a network-flattening technique Cisco says scales to 160Tbps and is based on the IETF's TRILL specification.

"Given where we are in the market it's very important for us to focus on what we're delivering," McCool says. "We're very focused on delivering the (Nexus line) and the evolution of that roadmap. This is the mainstream fabric we're supporting."

In other data center matters, McCool says Catalyst 6500 users are trading in or redeploying the Catalyst 6500 for the Nexus 7000 as they build out 10G infrastructures. In redeployments, the Catalyst 6500 is being implemented as an edge access and aggregation switch, as a services node performing firewalling, load balancing, wireless services and application monitoring and as a virtualised security gateway, McCool says.

He did not provide additional details or timelines for scaling the Nexus 7000 to 550Gbps per slot for 40/100G Ethernet support or for adding Fibre Channel over Ethernet to the modular Nexus 7000 core switch.

FCoE on the core switch, along with FabricPath, would allow data centre users to scale network and storage convergence beyond server access and throughout the data center network.


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