Sources say Juniper will unveil its Stratus line of data center and cloud switches on Feb. 23. Juniper announced its two years ago as a flat, low-latency, lossless switching fabric for high-performance computing environments for enterprises and service providers.

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The Stratus line will include 10-Gigabit Ethernet top-of-rack and core switches, sources say, as well as Juniper's entry into . Inter-switch links between the top-of-rack and core switches will be 40G Ethernet, they say.

The top-of-rack switches could ship this month, while the core switches are expected to ship late this year.

Juniper declined to comment for this story.