Stephen Hemminger wrote: > But: isn't it better to have just one sysctl parameter set > (tcp_rmem) and set the window scale as needed rather than increasing > the already bewildering array of dials and knobs? I can't see why > it would be advantageous to set a window scale of 7 if the largest > possible window ever offered is limited to a smaller value? That's a fair question. It seems to me the only effects of a larger scale than necessary are (a) the buffer size can be increased after the connection is established, and (b) coarser granularity which can only degrade performance over low mss links. So why do we set a larger window scale than necessary? Is it to support (a)? -- Jamie - : 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