Date: Wed, 20 Mar 96 9:00:35 MET From: Greg Lehey <lehey.pad@sni.de> To: dennis@etinc.com (dennis) Subject: Re: ISDN: "modem" or board? (Was: Microsoft "Get ISDN"?) Message-ID: <199603200805.JAA06060@nixpbe.pdb.sni.de> In-Reply-To: <199603192305.SAA04017@etinc.com>; from "dennis" at Mar 19, 96 6:05 pm
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> >>> From the keyboard of Greg Lehey: >> >>>> my ISP only offers ISDN over PPP. He says, if you use HDLC, then we have >>>> to assign you a permanent IP address. >> >> I wanted a class-C network and my ISP is happy that i use HDLC because it >> is the fastest way and is setup and operated without _any_ problems (in >> contrast to the Windows weenies using the most hip PPP implementation of >> the day). > > Lets be careful with our terminology.....Sync PPP is run over HDLC. OK, very careful: "can be run". And usually is, I agree. But PPP adds an extra layer of protocol which is just overhead. Transparent IP over HDLC uses HDLC as the link layer. Greg
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