Date: Fri, 01 Jan 1999 18:48:59 -0500 From: Fletcher E Kittredge <fkittred@mail.gwi.net> To: Andrzej Bialecki <abial@nask.pl> Cc: Alan Batie <batie@rdrop.com>, Dennis <dennis@etinc.com>, isp@FreeBSD.ORG Subject: Re: ATM WAN interface Message-ID: <199901012349.SAA26859@mail.gwi.net> In-Reply-To: Your message of "Mon, 28 Dec 1998 23:44:52 %2B0100." <Pine.BSF.4.02A.9812282340300.2125-100000@korin.warman.org.pl>
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On Mon, 28 Dec 1998 23:44:52 +0100 (CET) Andrzej Bialecki wrote: > > You don't have to use up all the 155Mbps - this is just the clock speed, > and actual VC bandwidth is what they should charge you for - at least this > is the way we do it in Poland. So, you can have the 155Mpbs ATM > connection, but an E1 virtual circuit set up as your uplink. Then, your > provider would do policing on their switches to enforce that speed. The point would be that with IP over ATM, you pay for 155mb/sec, and you really get about 110mb/sec. Pick any speed, you still only get 70% of the listed bandwidth. So if you buy a ~1.5mb/sec T1, you are only going to get a megabit after paying the cell tax, and packet shredding. Like X.25, ATM is a dead technlogy pushed only by the phone companies. regards, fletcher To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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