Date: Mon, 7 Aug 2000 12:51:51 +0200 From: Martin Recktenwald <mreckt@cs.uni-sb.de> To: Poul-Henning Kamp <phk@critter.freebsd.dk> Cc: freebsd-isdn@FreeBSD.ORG Subject: Re: ADSL Message-ID: <20000807125151.A3901@vodix.cs.uni-sb.de> In-Reply-To: <5078.965644720@critter.freebsd.dk>; from phk@critter.freebsd.dk on Mon, Aug 07, 2000 at 12:38:40PM %2B0200 References: <20000807123134.A3807@vodix.cs.uni-sb.de> <5078.965644720@critter.freebsd.dk>
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On Mon, Aug 07, 2000 at 12:38:40PM +0200, Poul-Henning Kamp wrote: > In message <20000807123134.A3807@vodix.cs.uni-sb.de>, Martin Recktenwald writes > : > > Well it does in that sense that 'IDSL' uses ISDN technology to carry ADSL > over short distances, but slower. > I did a quick websearch for IDSL; sounds quite useless to me. And has the wrong name. ADSL is a layer 1 technology. ISDN also defines layer 1. Something like "ADSL over ISDN" doesn't seem to make sense. And it doesn't provide any serious advantage over plain ISDN. This is the first time I heard about IDSL, so I might just be plain wrong. It sounds like an always-on ISDN connection using both B channels and the D channel. > There is no benefit from a ISA/PCI ADSL card, unless you want to run > ATM services in addition to IP. It could be cheaper? In the case of ISDN, a router costs real money, an ISDN card can be bought for 50 EUR. Maybe this is not (yet) true for ADSL. Martin. -- PGP key at http://www-wjp.cs.uni-sb.de/~mreckt/keys.html To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isdn" in the body of the message
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