On Tue, 15 Jun 2004, MCG LU Fengcheng wrote: > I find the tcp is not fit for the high realtime communication > in the LAN. For the small packets(e.g.64Bytes), > some packets will be delayed for 30ms. It's too long. Have you disabled the Nagle algorithm for the session? (Nagle delays small writes to try to reduce the amount of packets sent) Regards Henrik - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html