In the name of avoiding a reply-war, I'll make this (brief) comment my last in the thread. For the record, I never said "an application can set the window size". What I did say is that an application can:

tune window-scaling per-socket

..and..

impact the window scaling

..and..

adjust this in the application level (where "this" is socket buffer sizes)

from the application. Apologies if there was any confusion where someone thought I said you had direct application-level control over the window-scaling. The application can influence this, which is described not only in system manpages, but in RFC-1323, section 2.1. This has been my only point for a while, and it's not worth any more attention, I suspect.

In reply to Re^7: changing tcp parameters when establishing connection by Apero
in thread changing tcp parameters when establishing connection by iThunder

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