Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 24 Oct 1995 10:53:54 -0400
From:      dennis@etinc.com (dennis)
To:        Bruce Evans <bde@zeta.org.au>
Cc:        hackers@freebsd.org
Subject:   Async utilization.....
Message-ID:  <199510241453.KAA13636@etinc.com>

next in thread | raw e-mail | index | archive | help
>>> I really can't believe you guys are bragging about the widespread
>>> utilization of 
>>> souped-up async. You still don't get the fact that you're losing several
>>> hundred dollars
>>> worth of machine (which brings the cost in-line with sync) to save a few
>>> hundred on 
>>> cards for a less-efficient solution.
>
>How much less efficient?  For logins, even a local ethernet is only a few
>times more efficient than 115200 bps async through a 16450.  This is
>mostly because the pty implementation is poor.

Your numbers, like unix utilization
and timing numbers, are garbage. Set up a controlled test where you know the
answer
and the numbers won't be close.

Dennis
----------------------------------------------------------------------------
Emerging Technologies, Inc.      http://www.etinc.com

Synchronous Communications Cards and Routers For
Discriminating Tastes. 56k to T1 and beyond. Frame
Relay, PPP, HDLC, and X.25




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199510241453.KAA13636>