[HECnet] Towards the Mouth of Madness....

Jason Stevens neozeed at gmail.com
Tue Jul 12 22:46:26 PDT 2011


Metro ethernet & the move to VIOP on the carrier side killed ATM.   But there was a big push from the mid 90's until 2005 or so from what I noticed.   LANE was so fun to configure (LECS/LES/BUS/LEC) along with such friendly addressesing... I can't say it'll be missed. But you could get quite creative with it.

What really killed ATM IMHO was our carrier (Bell South) would charge the same price for CBR-RT VBR-RT pvp's as what you would pay for a T1.   So they made the technology moot.   Esp when you have AT&T G3's (Lucent Avaya etc..) which only deal in T1's it all became a lost cause.

Not to mention cheap & ATM certainly didn't go hand in hand.   Esp with the Cisco LS1010.

On Tue, Jul 12, 2011 at 5:40 PM, <hvlems at zonnet.nl> wrote:
FDDI was great in 1991. It could easily span a large multi building site (> 4 km^2) and with a bandwidth that was better than that of fast ethernet. That didn't exist at the time, 100VG was on the drawing boards. The other alternative was 155 Mb/s ATM but that technology never really took off (in Europe, dunno about the US).
Verzonden vanaf mijn draadloze BlackBerry  -toestel

From: Jason Stevens <neozeed at gmail.com>
Sender: owner-hecnet at Update.UU.SE
Date: Tue, 12 Jul 2011 17:31:03 -0400

To: <hecnet at update.uu.se>
ReplyTo: hecnet at Update.UU.SE
Subject: Re: [HECnet] Towards the Mouth of Madness....

FEC (fast ether channel) killed any hopes of FDDI, but it was more so people in certain places that bought into the hopes and dreams of FDDI....  

It was also my understanding you needed licenses to make FDDI gear while Ethernet was/is free.

On Tue, Jul 12, 2011 at 5:29 PM, <hvlems at zonnet.nl> wrote:
It took HP until 2006 to replace the FDDI lan with ethernet technolgy. The fault tolerance of FDDI and the build quality of DEC's gigaswitch products. 
The bandwidth of FDDI is a lot better than fast ethernet. 
Hans
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From: Joe Ferraro <jferraro at gmail.com>
Sender: owner-hecnet at Update.UU.SE
Date: Tue, 12 Jul 2011 17:12:02 -0400
To: <hecnet at update.uu.se>
ReplyTo: hecnet at Update.UU.SE
Subject: Re: [HECnet] Towards the Mouth of Madness....



Off topic... I received a page, a few weeks prior, on a machine that was not pinging. Turns out, it was one of a few old NOVA class boxes we still have at my work,   using FDDI for connectivity. Fortunately, a disconnect / reconnect brought the ring back online; I was scared (and a bit excited in a strange way) for a few moments that I was going to have to do some extensive troubleshooting... FDDI still lives. 

On Tue, Jul 12, 2011 at 4:27 PM, H Vlems <hvlems at zonnet.nl> wrote:
Remember what I wrote: this happened nearly two decades ago.
IP is the protocol that survived and most people aren   t even aware what happened on local area networks before, say,1998.
I worked for Fuji, photosensitive films, paper and offset printing products.
Most of the IT equipment was made by DEC: PDP-11   s (/44, /84, /93, /24, /73 and /23), VAXes, an IBM mainframe (4081) and PC   s.
And lots of other gear, most of it in the research lab. A Motorola box that ran Motorola Unix, and an RS/6000 under AIX 2.4 (?).
The lingua franca was DECnet and LAT. No IP, though some PC   s used Novell and SNA over tokenring to make terminal emulation to the mainframe possible.
No IP.   Sounds weird in today   s world but DECnet eventually connected everything. We got a *very* early Cisco router that did level 1
DECnet routing between the corporate ethernet and the finance dept token ring. Another (DEC) box that routed DECnet over Datanet/1 (that   s X25 in Europe IIRC). The mainframe used an SNA/DECnet gateway (the big channel attached box).
The RS/6000 and the Motorola systems also ran DECnet, endnode only.
To make this a little interesting we ran the first FDDI network in the Netherlands.
Trouble shooting wasn   t always easy, especially if the SNA/DECnet gateway was involved!
Hans
  

Van: owner-hecnet at Update.UU.SE [mailto:owner-hecnet at Update.UU.SE] Namens Jason Stevens   Verzonden: dinsdag, juli 2011 21:10   Aan: hecnet at update.uu.se   Onderwerp: Re: [HECnet] Towards the Mouth of Madness....
  
AIX and decnet? now that'd be ... non conformist & fun!

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