On Mon, Mar 22, 1999 at 03:26:05PM +0000, Vicente Navarro wrote:
> Hi,
>
> I am new in the RT Linux world. I have a question about RT drivers. How
> can I modify the PCI ethernet driver that comes with linux to implement
> a
> RT Ethernet driver ?. I am developing a some kind of router with RT
> features. I want to make a connection beetween two points in real time,
> so that I can play video or play music in remote machines. The
> connection is a point to point connection, is not a connection beetween
> two hosts in the same ethernet. I am using PC linux with many network
> cards as a router. Many thanks in advance.
>
> Vicente
> [EMAIL PROTECTED]
>
Ethernet is not capable of performing in hard real-time. Check
some of the RFCs and other standards to see that ethernet involves
things like "random waits" in order to perform in many common
situations. The only way to avoid these situations is to have
exactly _one_ computer on the network.
The Linux networking subsystem is already soft-real-time, since
it exists inside the kernel and is interrupt driven. This should
be good enough for video/music.
dave...
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