Article View: poster
Article #3Re: 430K? 2b + v.32 compression on zyxel
From: Ron Vissers
Date: Tue, 26 Dec 1995 02:52
Date: Tue, 26 Dec 1995 02:52
58 lines
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3097 bytes
In message <4bf19s$5rf@techie.zyxel.com> - brentm@zyxel.com (Brent Mosbrook)
wr
ites:
:>
:>I don't think so.. modem vendors are familiar w/ V.42b, as they already
:>use it on analog devices, and have royalty arrangements agreed upon. A
:>ZyXEL Elite 2864I will connect to an IBM waverunner w/ V.42b (only other
:>known device to do this that I know of). Other serial based products
:>from other vendors will most likely jump on the bandwagon with future
:>products to offer similar compression.. which would logically require a
:>higher DTE speed.
:>
:>LAN based products typically have chosen the hardware compression route,
:>by using STAC compression. this is easier for them, because all they
:>need to do is buy a chip, and route their data through it.
:>
:>In the future, I would imagine you'll see a compromise of sorts between the
:>serial and network based vendors to use a compression scheme that both
:>negotiate.
:>
I talked with 3com and they will have STAC compression in
their 3com Impacts by around May 96.
Zyxel may change to STAC at a later date... its a firmware
upgrade possibility. They are waiting to see what the
market heads for.
The rumor mill would seem to indicate things are leaning
slightly towards STAC compression for ISDN products.
In any event, you WILL have to make sure that your
providers ISDN routers support the same compression
scheme that you do.
Also, a Hayes ESP may be in order to handle the high speed
serial rates.
Or, you can go with a network like ISDN card. But thats
another topic :)
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Path: arc1-ca.pugleaf.net!daily-planet.execpc.com!usenet From: rvissers@execpc.com (Ron Vissers) Newsgroups: poster,comp.dcom.isdn Subject: Re: 430K? 2b + v.32 compression on zyxel Date: 26 Dec 1995 02:52:26 GMT Organization: Exec-PC BBS - Milwaukee, WI Distribution: world Message-ID: <4bno1b$8tq@daily-planet.execpc.com> References: <4bd7p9$bi6@fdma.fdma.com> <4bf19s$5rf@techie.zyxel.com> Reply-To: rvissers@execpc.com NNTP-Posting-Host: airacobra.execpc.com X-Newsreader: NeoLogic News for OS/2 [version: 4.3]