Date: Sun, 2 Jan 1994 14:02:00 +0300 From: "Andrew A. Chernov, Black Mage" <ache@astral.msk.su> To: bde@zeta.org.au, hackers@freebsd.org, roberto@blaise.ibp.fr Subject: Re: Problem with sio ... Message-ID: <zTecg9jyD0@astral.msk.su> In-Reply-To: <199501020157.MAA29579@godzilla.zeta.org.au>; from Bruce Evans at Mon, 2 Jan 1995 12:57:03 %2B1100 References: <199501020157.MAA29579@godzilla.zeta.org.au>
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In message <199501020157.MAA29579@godzilla.zeta.org.au> Bruce Evans
writes:
>>Taylor have up to 4096 packet size even in standard g-protocol,
>>my site use it. 'i' protocol use about 6K packet sizes.
>The packet size doesn't matter a lot (just like the window size).
>Only the read() size must be < TTYHOG.
Taylor attempts to read MAX size first, then it utilize amount
of bytes which is really readed and read rest of packet.
>>What happens if we will use TTYHOG==8K to handle all possible cases?
>1) It will be easier for one tty to consume must of the available
>clists (leaving only the minimum guaranteed of 512 bytes for other
>ttys) OR
>2) we could increase the minimum to TTYHOG and waste a lot of memory.
>There would be no point in using clists then.
Hows about idea to change TTYHOG dinamycally for serial lines?
>3) There would be a new case requiring 16K. :-)
I don't see any serial protocols with block size > 8K.
ZedZap protocol use 8K.
--
Andrew A. Chernov : And I rest so composedly, /Now, in my bed,
ache@astral.msk.su : That any beholder /Might fancy me dead -
FidoNet: 2:5020/230.3 : Might start at beholding me, /Thinking me dead.
RELCOM Team,FreeBSD Team : E.A.Poe From "For Annie" 1849
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