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

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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.

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.

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.