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UDP Receive Offload is a feature that enables a network adapter to consolidate multiple UDP packets into a larger single buffer before they are passed to the operating system. This process can significantly reduce the CPU overhead involved in processing a large number of small packets by allowing the handling of fewer, larger packets.
This offloading capability is particularly useful for improving the performance of network-intensive applications that receive a high volume of UDP traffic. By offloading the packet processing to the network hardware, it frees up the CPU to perform other tasks, which can lead to overall system performance improvements.
Defender CSP has not officially mentioned these features yet but once it does and tests are performed, these 2 features will be added to the Microsoft Defender category.
This discussion was converted from issue #226 on April 16, 2024 13:50.
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UDP Performance Improvements of the Microsoft Defender Network Protection
The (preview) updates are currently in the stable channel builds 22621.3374 and 22631.3374
General Related Documentation
UDP Segmentation Offload (USO)
UDP Receive Offload is a feature that enables a network adapter to consolidate multiple UDP packets into a larger single buffer before they are passed to the operating system. This process can significantly reduce the CPU overhead involved in processing a large number of small packets by allowing the handling of fewer, larger packets.
This offloading capability is particularly useful for improving the performance of network-intensive applications that receive a high volume of UDP traffic. By offloading the packet processing to the network hardware, it frees up the CPU to perform other tasks, which can lead to overall system performance improvements.
Defender CSP has not officially mentioned these features yet but once it does and tests are performed, these 2 features will be added to the Microsoft Defender category.
How To Activate Them in PowerShell
Update
Now available in the stable build of Windows 22631.3447
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