From owner-freebsd-isp Sun Aug 25 13:22:27 1996 Return-Path: owner-isp Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id NAA02160 for isp-outgoing; Sun, 25 Aug 1996 13:22:27 -0700 (PDT) Received: from who.cdrom.com (who.cdrom.com [204.216.27.3]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id NAA02120 for ; Sun, 25 Aug 1996 13:22:24 -0700 (PDT) Received: from sumter.awod.com (awod.com [198.81.225.1]) by who.cdrom.com (8.7.5/8.6.11) with SMTP id JAA25373 for ; Sun, 25 Aug 1996 09:27:21 -0700 (PDT) Received: from tsunami.awod.com (chs0099.awod.com [198.81.225.98]) by sumter.awod.com (8.6.12/8.6.12) with SMTP id MAA20298; Sun, 25 Aug 1996 12:25:45 -0400 Message-Id: <1.5.4.32.19960825162538.008ec0c4@awod.com> X-Sender: klam@awod.com X-Mailer: Windows Eudora Light Version 1.5.4 (32) Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Sun, 25 Aug 1996 12:25:38 -0400 To: Dave Andersen From: Ken Lam Subject: Re: 128k ISDN vs. T1 Cc: jsuter@bsd.intrastar.net, ulf@Lamb.net, kyricc@inetnebr.com, freebsd-isp@FreeBSD.ORG Sender: owner-isp@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk At 01:49 AM 8/25/96 -0600, you wrote: >ISDN PRI costs as much as, if not more, T1 data service. It's also not a >good solution in any case for Internet connectivity - multiplexing 23 B >channels will have 10x the latency (quite literally) as a single T1 or >fractional T1. > > -Dave Andersen ISDN PRI is costly and may not be the solution, however, ISDN is quite scalable. But you don't have to have a PRI to do that. Check out Adtrans ISU512 which takes up to 4BRIs and imuxes them together. That is an extremely effective product, which though I haven't installed it personally, have spoken with several persons who use it. The costs of adding BRIs+port charges is probably lower using an ISU512 to get capacity than going FracT1. -ken --- Ken Lam lam@awod.com Integrated Technical Systems Systems, Networks, and Internet Solutions -- Defining Technology Today "'Plug and Play' was only applicable to the original ATARI(tm)"