Impact of D27401 on forwarding performance with a full-view
- PC Engines APU2C4 (quad core AMD GX-412T Processor 1 GHz)
- 3 Intel i210AT Gigabit Ethernet ports
- 2000 flows of smallest UDP packets
- Traffic load at 1.448Mpps (Gigabit line-rate)
- 2 static routes
- net.inet.ip.redirect=0
- net.inet6.ip6.redirect=0
- txabdicate enabled
- FreeBSD r368766
- script used to generate full-view
- netstat -rn4 | wc -l : 712793
- netstat -rn6 | wc -l : 104034
System displaying this message during route table loading:
[rt_algo] inet6.0 (radix6_lockless) rebuild_callout: switching algo to radix6
[rt_algo] inet.0 (bsearch4) rebuild_callout: switching algo to radix4
IPv4:
x r368766: inet packets-per-second forwarded
+ r368766 with D27401v80909: inet packets-per-second forwarded
+--------------------------------------------------------------------------+
| + |
|+ + + + x x xx x|
| |_________A_M_______| |
| |__MA____| |
+--------------------------------------------------------------------------+
N Min Max Median Avg Stddev
x 5 733210 742776 739784 738987.6 3521.4544
+ 5 717408 721952.5 718895 719284.3 1662.3472
Difference at 95.0% confidence
-19703.3 +/- 4015.89
-2.66626% +/- 0.531612%
(Student's t, pooled s = 2753.55)
IPv6:
x r368766: inet6 packets-per-second forwarded
+ r368766 with D27401v80909: inet6 packets-per-second forwarded
+--------------------------------------------------------------------------+
| + x x |
|+ + ++ x x x|
| |__AM__| |
| |___A__| |
+--------------------------------------------------------------------------+
N Min Max Median Avg Stddev
x 5 757463 766052 761435 761071.8 3483.2349
+ 5 689963 699848 696562 696077.4 3744.1708
Difference at 95.0% confidence
-64994.4 +/- 5273.81
-8.53985% +/- 0.666145%
(Student's t, pooled s = 3616.06)