On Thu, 24 Aug 2006 23:03:22 +0800
"Majumder, Rajib" <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I had a fundamental question regarding stack. When does TCP ack a segment? Is
> it immediately receiving a segment or after copying the data from kernel to
> user i.e after read() system call returns?
>
> Any input is highly appreciated.
>
> Thanks
>
> Rajib
>
TCP ack's when segment is received and placed in the socket buffer.
For questions like this, you are better off looking at traditional unix
network programming books
http://www.thefreecountry.com/documentation/unixbooks.shtml
--
Stephen Hemminger <[EMAIL PROTECTED]>
All non-trivial abstractions, to some degree, are leaky.
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