Messages in this thread | | | Date | Wed, 26 May 1999 12:44:56 -0400 (EDT) | From | "Theodore Y. Ts'o" <> | Subject | Re: TTY_FLIPBUF_SIZE too low causing dataloss on too fast serial lines? |
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Date: Wed, 26 May 1999 14:14:05 +0200 From: Pavel Machek <pavel@atrey.karlin.mff.cuni.cz>
All at interrupt time. I wonder how do you solve this problem with serial ports: these days serials can be easily driven at speeds close to 1Mbit... (I'm talking about dumb on-board serials like NS PC87108).
I simply haven't see much demand or practical application for high-speed serial transfers. It's restricted to short distance unless you use *very* expensive cables, and you can get better performance more cheaply simply by using Ethernet instead. 10 Megabit ethernet cards are dirt cheap, and Cat 5 UTP cables are much, much cheaper than high-quality serial cables, and you can run them for a much greater distance without worrying about noise or signal degredation problems.
The only reason why high-speed serial might be interesting is for those IR ports that look like serial ports, and there aren't that many interesting applications requiring that yet. I do intend to fix this; I just haven't seen a huge urgency to it. If someone has an actual, real-life application, let me know....
- Ted
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