Chelsio Demonstrates Lowest UDP, TCP, And RDMA Over Ethernet Latency

SUNNYVALE, Calif., April 8, 2013 /PRNewswire/ -- Chelsio Communications, a leading provider of 10Gb Ethernet Unified Wire Adapters and ASICs, today released a preliminary report on low latency testing of its new generation T5 adapters.

At the HPC Linux for Wall Street conference today in NYC, Chelsio demonstrated a user mode UDP latency of 1.6usec and user mode TCP latency of 2.0usec using its WireDirect software suite, both numbers representing industry record performance.  Chelsio WireDirect provides direct network access to user space and is binary compatible with existing TCP and UDP sockets applications.  User mode UDP showed 3 million messages/second with excellent jitter profile and no dropped packets.  User mode TCP similarly demonstrated 2.3 million messages/second with nearly zero packet jitter thanks to the use of T5's offload engine. These preliminary results are expected to improve before general availability.

Chelsio adapters also offer the industry's lowest latency RDMA over Ethernet (iWARP) at 1.6usec user-space to user-space, with true kernel bypass, zero copy, and processing fully offloaded to the server adapter resulting in very low CPU utilization. Furthermore, T5 RDMA demonstrates an unprecedented 6.2 million messages/sec with excellent jitter characteristics. Chelsio's solution is integrated within the standard Open Fabrics Enterprise Distribution (OFED) and supports the full RDMA verbs interface.  By using TCP/IP as a transport, iWARP RDMA benefits from unlimited scaling, routing capability, reliability, and interoperability. It is the simplest RDMA over Ethernet to deploy and does not impose requirements for DCB support.  Further performance improvements are expected before general availability. 

"Low Latency is a key driver of the10Gb Ethernet market, and we expect that it will be even more important as we move to 40Gb Ethernet and then 100Gb Ethernet.  Vendors that can differentiate themselves by offering the lowest latency options for a wide range of applications in a single solution should see considerable success in this space," said Seamus Crehan, president of Crehan Research. 

"T5's forward software compatibility will enable the users to leverage all software investment, as they enjoy today's superior performance," said Kianoosh Naghshineh, CEO of Chelsio.  "Combined with Chelsio's recent demonstration of 40Gb iSCSI and Microsoft SMB 3.0 over iWARP RDMA, T5 provides an ideal all-in-one solution, enabling server and storage OEMs to converge on a single vendor and realize the economies of scale for all verticals, using the same hardware solution."

Final software will be available later in Q2.  The complete report is available on the Chelsio website.

About Chelsio Communications, Inc.

Chelsio is a leading technology company focused on solving high performance networking and storage challenges for virtualized enterprise data centers, cloud service installations, and cluster computing environments.  Now shipping its fourth generation protocol acceleration technology, Chelsio is delivering hardware and software solutions including Unified Wire Ethernet network adapter cards, unified storage software, high performance storage gateways, unified management software, bypass cards, and other solutions focused on specialized applications.  Visit the company at www.chelsio.com.

SOURCE Chelsio Communications, Inc.



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