On Wed, 22 Sep 2004, Shannon Roddy wrote: > Just to give you guys an idea of TCP overhead, I benchmarked about > $100k of network gear today. Using Sun Blade 1500s and nttcp, on UDP > I can saturate the gigE ports (I get right at 1000 mbit), but the Sun > is at about 97-99 % CPU. The same test but with TCP puts the CPU > pegged, and I only get about 650 Mbit/sec.
Heh, cool. If the CPU can't keep up, what makes us think the disk will? Haha... I wonder if there is a nttcp-like tool that works at layer 2 (ie MAC to MAC on ethernet). It'd be cool to what your IP overhead is. ray
