nanog mailing list archives
Re: Token ring? topic hijack: was Re: Mystery open source switching
From: Jay Farrell <jayfar () jayfar com>
Date: Thu, 4 Nov 2010 15:55:21 -0400
On Wed, Nov 3, 2010 at 5:42 PM, Justin M. Streiner <streiner () cluebyfour org> wrote:
The only example of a technology that comes to mind straight away that truly died out is/was SMDS, though I'm sure there are are a few others.From what I remember, only a handful of telcos offered SMDS back in itsheyday (mid-90s), and most, if not all of those no longer offer it. I recall seeing some tariff filings from Verizon some time ago where they were planning to shut the service off because the customers that used it had been migrated to other technologies and some of their vendors had already dropped support for it.
My workplace migrated the last customer off SMDS maybe about 2 or 3 years ago, but most of them were moved several years before that. My understanding is Vz could no longer buy gear to support SMDS and pretty much had to cannibalize existing equipment to keep it running. At one point when we still had 40-some customers on one SMDS DS3 hub circuit, we had an outage that spanned 3 days (fortunately into a weekend). Vz seemed to have only a few techs who were clueful on smds and, unless we were working with one of them, very often our techs would have to instruct Vz what to do (typically reloading all the addresses would restore service, IIRC).
Current thread:
- Re: Token ring? topic hijack: was Re: Mystery open source switching, (continued)
- Re: Token ring? topic hijack: was Re: Mystery open source switching Gary Baribault (Nov 04)
- Re: Token ring? topic hijack: was Re: Mystery open source switching Brielle Bruns (Nov 04)
- Re: Token ring? topic hijack: was Re: Mystery open source switching Jason LeBlanc (Nov 04)
- Re: Token ring? topic hijack: was Re: Mystery open source switching Brielle Bruns (Nov 04)
- Re: Token ring? topic hijack: was Re: Mystery open source switching Patrick W. Gilmore (Nov 04)
- Re: Token ring? topic hijack: was Re: Mystery open source switching Lynda (Nov 02)
- Re: Token ring? topic hijack: was Re: Mystery open source switching Randy (Nov 02)
- Re: Token ring? topic hijack: was Re: Mystery open source switching Mike Tancsa (Nov 02)
- Re: Token ring? topic hijack: was Re: Mystery open source switching Christopher Morrow (Nov 02)
- Re: Token ring? topic hijack: was Re: Mystery open source switching Jay Farrell (Nov 04)
- Re: Token ring? topic hijack: was Re: Mystery open source switching Justin M. Streiner (Nov 04)
- Re: Token ring? topic hijack: was Re: Mystery open source switching Sven Olaf Kamphuis (Nov 02)
- RE: Token ring? topic hijack: was Re: Mystery open source switching Adcock, Matt [HISNA] (Nov 03)
- Re: Token ring? topic hijack: was Re: Mystery open source switching John Payne (Nov 03)