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Performance Tuning Guidelines for Windows Server 2003
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bet | 4/61 | Sana | 21.03.2017 | Hajmi | 430.5 Kb. | | #1046 |
Network-intensive applications need high-performance network adapters. This section covers some considerations for choosing network adapters.
Choose a network adapter with Microsoft Windows Hardware Quality Labs (WHQL) certification.
Offloading tasks can help lower CPU usage on the server, improving overall system performance. The Microsoft TCP/IP transport can offload one or more of the following tasks to a network adapter that has the appropriate task-offload capabilities:
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Checksum tasks. The TCP/IP transport can offload the calculation and validation of IP and TCP checksums for sends and receives.
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IP security tasks. The TCP/IP transport can offload the calculation and validation of encrypted checksums for authentication headers (AH) and encapsulating security payloads (ESP). The TCP/IP transport can also offload the encryption and decryption of ESP payloads.
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Segmentation of large TCP packets. The TCP/IP transport supports large send offload (LSO). With LSO, the TCP/IP transport can offload the segmentation of large TCP packets.
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Stack offload. The entire network stack can be offloaded to a network adapter that has the appropriate capabilities.
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