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Intel® I/O Acceleration Technology (Intel® I/OAT)

Intel® I/O Acceleration Technology (Intel® I/OAT),
with Intel® QuickData Technology, moves data more efficiently through
Intel® Xeon® processor-based servers for fast, scalable, and reliable
network performance.

Performance

A
primary benefit of Intel I/OAT is its ability to significantly reduce
CPU overhead, freeing resources for more critical tasks. Intel I/OAT
uses the server’s processors more efficiently by leveraging
architectural improvements within the CPU, chipset, network controller,
and firmware to minimize performance-limiting bottlenecks. Intel I/OAT
accelerates TCP/IP processing, delivers data-movement efficiencies
across the entire server platform, and minimizes system overhead.

Scalability

Intel
I/OAT provides network acceleration that scales seamlessly across
multiple Gigabit Ethernet (GbE) ports. It cost-effectively scales up to
eight GbE ports and up to 10GbE, with power and thermal characteristics
similar to those of a standard gigabit network adapter. TCP Offload
Engine (TOE) solutions, in contrast, require a separate TOE card for
each port, resulting in significant cost and thermal challenges for
server platforms.

Reliability

Intel I/OAT
is a safe and flexible choice because it is tightly integrated into
popular operating systems such as Microsoft Windows Server* 2003 and
Linux*, avoiding support risks associated with relying on third-party
hardware vendors for network stack updates. Intel I/OAT also preserves
critical network configurations such as teaming and failover, by
maintaining control of the network stack processing within the
CPU-where it belongs. This results in reduced support risks for IT
departments.

via Intel