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Groups > comp.os.linux.networking > #3298

Re: Tcp/Ip over serial solution

From Tauno Voipio <tauno.voipio@notused.fi.invalid>
Newsgroups comp.os.linux.networking
Subject Re: Tcp/Ip over serial solution
Date 2015-03-16 10:06 +0200
Organization A noiseless patient Spider
Message-ID <me62sv$run$1@dont-email.me> (permalink)
References (1 earlier) <t8ZMw.20784$Ek3.13005@fx13.iad> <55049c01$0$2872$e4fe514c@news.xs4all.nl> <7022932d-3477-4cf7-baad-7e58969e5f09@googlegroups.com> <5505b9e9$0$2901$e4fe514c@news.xs4all.nl> <3236d2f5-791a-4b41-804b-c957dd6f1c9b@googlegroups.com>

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On 16.3.15 02:05, Steven Woody wrote:
> Dear Rob,
>
> Why 'modem compress data' can lead to requirement for RTS/CTS flow control?
> Thanks.
>
> -woody


The asynchronous serial transmission does not, by default, know
if the receiver is able to get all the data sent, and this is
the base reason for flow control. It may be effected with hardware
(RTS/CTS) or software (X-on/X-off).

If a modem suddenly decompresses a big burst of data, it may
be too much for the buffers in the receiving unit. With the
speeds of current computers, the probability is quite low.

-- 

-TV

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Thread

Tcp/Ip over serial solution Steven Woody <narkewoody@gmail.com> - 2015-03-14 02:50 -0700
  Re: Tcp/Ip over serial solution Rob van der Putten <rob@sput.nl> - 2015-03-14 11:08 +0100
    Re: Tcp/Ip over serial solution Steven Woody <narkewoody@gmail.com> - 2015-03-14 09:18 -0700
      Re: Tcp/Ip over serial solution Rob van der Putten <rob@sput.nl> - 2015-03-14 21:34 +0100
  Re: Tcp/Ip over serial solution Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2015-03-14 12:15 -0400
    Re: Tcp/Ip over serial solution Rob van der Putten <rob@sput.nl> - 2015-03-14 21:37 +0100
      Re: Tcp/Ip over serial solution Steven Woody <narkewoody@gmail.com> - 2015-03-15 07:50 -0700
        Re: Tcp/Ip over serial solution Rob van der Putten <rob@sput.nl> - 2015-03-15 17:57 +0100
          Re: Tcp/Ip over serial solution Steven Woody <narkewoody@gmail.com> - 2015-03-15 17:05 -0700
            Re: Tcp/Ip over serial solution Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2015-03-16 10:06 +0200
              Re: Tcp/Ip over serial solution Steven Woody <narkewoody@gmail.com> - 2015-03-16 02:57 -0700
                Re: Tcp/Ip over serial solution Rob van der Putten <rob@sput.nl> - 2015-03-16 12:16 +0100
                Re: Tcp/Ip over serial solution Steven Woody <narkewoody@gmail.com> - 2015-03-16 07:50 -0700
              Re: Tcp/Ip over serial solution Rob van der Putten <rob@sput.nl> - 2015-03-16 12:11 +0100

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