IP Security Features: Intel Ethernet Server Adapters and Microsoft Windows Server 2008
11
0 64 128 256 512 1024 2048 4096 8192 16384 32768 65535
CPU Utilization (%)
Buffer Size (Bytes)
CPU Utilization
Server 2008 IPsec Offload Performance: RX-1 Port Data
30
25
20
15
10
5
0
IPsec Disabled IPsec Enabled in Software Only
IPsec Offloaded to NIC
Source: Intel Labs
0 64 128 256 512 1024 2048 4096 8192 16384 32768 65535
Throughput (Mbps)
Buffer Size (Bytes)
Throughput
Server 2008 IPsec Offload Performance: RX-1 Port Data
1000
800
600
400
200
0
IPsec Disabled IPsec Enabled in Software Only
IPsec Offloaded to NIC
Source: Intel Labs