Zayaz Volk <papua...@hotmail.com> wrote: > Obviously, it raise the questions > 1. Did anyone try to work with lwip on linux/Win32 and what throughput you've > been able to achieve ?
In my opinion, the win32 port is mainly limited by the netif driver: winpcap doesn't seem to give the best performance, since we have to copy packets twice on RX (and I don't remember if it's once or twice on TX). Also, lwIP doesn't really benefit from multiple CPU cores. Instead, you're right that it is targeted on low resources rather that throughput. Still, i think lwIP should be able to achieve the performance you want if: A) your netif driver correctly supports zero copy and B) you handle the stack "correctly" so that zero copy is possible (I.e. data passed to a TX function must be left unchanged in memory until the netif driver has actually sent it out). Simon
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