Re: [PATCH] Using TCP_NODELAY unconditionally

[nisse%lysator.liu.se@localhost (Niels Möller)]

Bill Sommerfeld <sommerfeld%east.sun.com@localhost> writes:

> Applications which attempt to track mouse movement (e.g., scroll bar
> sliders) don't work very well with nagle turned on.  my understanding
> is that "animated" widgest typically require 24-30 updates per second
> before it begins to look smooth, while the interaction between delayed
> acks and nagle cause very bursty behavior.

I'm not familiar with this issue, and I'm mostly ignorant about what
tcp does below the sockets interface. Can anybody briefly explain what
"nagle" is, and how and when to turn it off? Or point me to the
appropriate manual.

Regards,
/Niels