Re: LILO and serial speeds over 9600

H. Peter Anvin (hpa@transmeta.com)
Mon, 12 Feb 2001 14:10:58 -0800

Alan Cox wrote:
>
> Sounds like MOP on the old Vaxen. TCP btw isnt as heavyweight as people
> sometimes think. You can (and people have) implemented a simple TCP client
> and IP and SLIP in 8K of EPROM on a 6502. There is a common misconception
> that a TCP must be complex.
>
> All you actually _have_ to support is receiving frames in order, sending one
> frame at a time when the last data is acked and basic backoff. You dont have
> to parse tcp options, you dont have to support out of order reassembly.
>

This is true, but one thing I'd really like to have is controlled buffer
overrun, which TCP *doesn't* have. I really think an ad hoc UDP protocol
(I've already begun sketching on the details) is more appropriate in this
particular case.

-hpa

-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt
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