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Re: Can cable and DSL modems do data compressions?

From jeffj@panix.com (Jeff Jonas)
Newsgroups comp.dcom.modems.cable, comp.dcom.adsl, comp.dcom.xdsl, comp.sys.dcom.xdsl, dsl.help
Subject Re: Can cable and DSL modems do data compressions?
Date 2013-08-27 19:33 -0400
Organization Jeff's House of Electronic Parts
Message-ID <kvjcvk$ai8$1@panix5.panix.com> (permalink)
References <kZGdnaCg2cIi55jPnZ2dnUVZ_j6dnZ2d@earthlink.com>

Cross-posted to 5 groups.

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> I know dial-up modems can compressed datas if not already.
> Can cable modems do the same too?

Later "smart" modems added compression,
thus the false advertising for 4x the actual speed
(they always assumed a 4:1 compression, which was unrealistic)
See:
    http://en.wikipedia.org/wiki/Microcom_Networking_Protocol
    MNP 5, introducing on-the-fly data compression in the modem.

There have been great replies about cable & DSL modulation schemes.
For compression, it's up to the applications such as ssh
(which allows compression regardless of the link).

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Thread

Can cable and DSL modems do data compressions? ANTant@zimage.com (Ant) - 2013-08-09 18:26 -0500
  Re: Can cable and DSL modems do data compressions? Andrew Rossmann <andysnewsreply@no_junk.comcast.net> - 2013-08-10 07:28 -0500
  Re: Can cable and DSL modems do data compressions? "David H. Lipman" <DLipman~nospam~@Verizon.Net> - 2013-08-10 10:26 -0400
    Re: Can cable and DSL modems do data compressions? ANTant@zimage.com (Ant) - 2013-08-10 14:04 -0500
      Re: Can cable and DSL modems do data compressions? "David H. Lipman" <DLipman~nospam~@Verizon.Net> - 2013-08-11 07:35 -0400
        Re: Can cable and DSL modems do data compressions? ANTant@zimage.com (Ant) - 2013-08-11 18:16 -0500
          Re: Can cable and DSL modems do data compressions? "David H. Lipman" <DLipman~nospam~@Verizon.Net> - 2013-08-11 20:29 -0400
          Re: Can cable and DSL modems do data compressions? "Elmo P. Shagnasty" <elmop@nastydesigns.com> - 2013-08-11 21:45 -0400
            Re: Can cable and DSL modems do data compressions? ANTant@zimage.com (Ant) - 2013-08-12 19:43 -0500
              Re: Can cable and DSL modems do data compressions? "Elmo P. Shagnasty" <elmop@nastydesigns.com> - 2013-08-13 05:14 -0400
                Re: Can cable and DSL modems do data compressions? Retired <Retired@home.com> - 2013-08-13 13:35 -0400
                Re: Can cable and DSL modems do data compressions? "Elmo P. Shagnasty" <elmop@nastydesigns.com> - 2013-08-13 21:37 -0400
                Re: Can cable and DSL modems do data compressions? "ps56k" <pschuman_no5pam_m3@interserv.com> - 2013-08-29 22:54 -0500
                Re: Can cable and DSL modems do data compressions? Retired <Retired@home.com> - 2013-08-30 13:13 -0400
                Re: Can cable and DSL modems do data compressions? "ps56k" <pschuman_no5pam_m3@interserv.com> - 2013-09-10 16:13 -0500
  Re: Can cable and DSL modems do data compressions? jeffj@panix.com (Jeff Jonas) - 2013-08-27 19:33 -0400

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