home *** CD-ROM | disk | FTP | other *** search
- Path: voyager.iii.org.tw!news
- From: jimwhite@cent.com (Jim White)
- Newsgroups: comp.dcom.modems
- Subject: Re: Is USR going to support 42bis+ on future courier upgrades?
- Date: Mon, 25 Mar 1996 01:46:25 GMT
- Organization: South Shore Software
- Message-ID: <3155f785.95202124@news1.io.org>
- References: <4j0091$pli@nnrp1.news.primenet.com> <4j1phk$v0k@seminole.gate.net>
- Reply-To: jimwhite@cent.com
- NNTP-Posting-Host: shts.seed.net.tw
- X-Newsreader: Forte Agent .99d/32.168
-
- dhaire@gate.net (doug haire) wrote:
-
- >Bob Nixon (bigrex@primenet.com) wrote:
- >: I'm wondering if USR will come up with a V.42bis+(230,000 dte 8:1
- >: compression) on the couriers? Is this just a sales gimmick? Can you
- >: actually get twice the compression on say text files 2.5:1 to say 5:1? If
- >: this is possible it would seem with V.34+ and V.42bis+ and given the fact
- >: that most current ISDN setup's don't support compression it could give
- >: Analog modems a more competitive edge against ISDN. Text throughputs in
- >: the 13 to 20k bytes/sec would be great if this isn't just a smoke screen.
- >
- >If one had the need to send highly compressible files, it would be more
- >advantageous to pre-compress them before sending. On some test files that
- >I have run (ones that PKZIP can compress at 10 to 1), I have hit the
- >upper limit of 115200 (actually a rate of about 11.3kcps). On "real
- >world" files, I have never hit this mark.
- >
- >In other words, it would simply be for the advertising advantage to go to
- >230k port speed.
- >
-
- that's true if you're only interested in file transfers..... but, for
- instance, Web browsing, for instance, would benefeit.... even though
- the content's "compressability" is variable, any improvement is an
- improvemnet...
-
-