Date: Mon, 26 May 2008 00:34:20 +0100 From: "Bruce M. Simpson" <bms@FreeBSD.org> To: Tony Finch <dot@dotat.at> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, Robert Watson <rwatson@FreeBSD.org>, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/etc/mtree BSD.include.dist BSD.usr.dist src/include Makefile src/lib Makefile src/lib/libatm Makefile atm_addr.c cache_key.c ioctl_subr.c ip_addr.c ip_checksum.c libatm.h timer.c src/rescue/rescue Makefile src/sbin/atm Makefile ... Message-ID: <4839F77C.60306@FreeBSD.org> In-Reply-To: <alpine.LSU.1.10.0805260018250.20676@hermes-1.csi.cam.ac.uk> References: <200805252211.m4PMBgEU052231@repoman.freebsd.org> <4839E7A8.5050205@FreeBSD.org> <alpine.LSU.1.10.0805260018250.20676@hermes-1.csi.cam.ac.uk>
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Tony Finch wrote: > On Sun, 25 May 2008, Bruce M. Simpson wrote: > >> ATM shows no signs of going away as a WAN access technology for people in the >> UK, although its use in the core outside of British Telecom is being eroded by >> newer technologies. >> > > Doesn't BT's 21cn mean the death of ATM there too? > The G.998.1 part of ADSL2+ still mandates ATM as the transport. Given how BT tend to roll things it out I would speculate that they are still using ATM after 21CN migration, although I have no data to confirm this either way. PPPoA is not going away any time soon -- it's written into the ITU specs for G.DMT-lite after all -- and there is a huge installed user base for that technology. Whatever happens with 21CN is still going to take time to filter down to the rest of the populace. Also, someone's going to have to pay for it somehow. Of course the whole ruckus over ATM in ADSL with people in the first place, was that it locked them into using vendor gear, effectively denying people control over their own IP endpoint address, and restricting the services they can use as a result. cheers BMS
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