Date: Fri, 4 Apr 2003 21:35:55 +0200 From: Ignatios Souvatzis <is@beverly.kleinbus.org> To: Helge Oldach <iuidas73123@oldach.net> Cc: "Julian H. Stacey" <jhs@berklix.com> Subject: Re: ISDN4BSD Modems & Cards Message-ID: <20030404193555.GA9775@beverly.kleinbus.org> In-Reply-To: <200304041832.h34IWFJC069324@sep.oldach.net> References: <200304041022.h34AMi144844@flip.jhs.private> <200304041832.h34IWFJC069324@sep.oldach.net>
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Hi, On Fri, Apr 04, 2003 at 08:32:15PM +0200, Helge Oldach wrote: > Apart from the issues mentioned already there is a minor encapsulation > gain. While on an external TA you usually can run HDLC encapsulation > with byte stuffing only, an internal card would allow for bit stuffing > which is slightly more efficient. err... sane ISDN TA do (well, can be operated) in a mode where computer-side async HDLC is converted to line-side sync HDLC. Everything else would not interoperate with the PPP over ISDN at the other end. Unless you only want to run V110/V120 instead of full speed, of course. Regards, -is
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