[TUHS] networking on unix before uucp

Lyndon Nerenberg lyndon at orthanc.ca
Tue Aug 26 07:17:05 AEST 2014


On Aug 25, 2014, at 2:14 PM, Lyndon Nerenberg <lyndon at orthanc.ca> wrote:

> There was the size of the serial chip's hardware buffer (before kicking the device driver with a hardware interrupt), and the driver itself kicking the kernel via a software interrupt when the driver's buffers were getting full.

What mattered was how the driver handed off the data from the bottom end of the driver code to the kernel.  Some drivers were better than others.  In most cases (of the serial ports), the culprit was the device driver.

--lyndon

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