[113890] in North American Network Operators' Group
Re: IXP
daemon@ATHENA.MIT.EDU (Adrian Chadd)
Wed Apr 22 22:07:53 2009
Date: Thu, 23 Apr 2009 10:07:36 +0800
From: Adrian Chadd <adrian@creative.net.au>
To: "Holmes,David A" <dholmes@mwdh2o.com>
In-Reply-To: <485ED9BA02629E4BBBA53AC892EDA50E08C65BD9@usmsxt104.mwd.h2o>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Wed, Apr 22, 2009, Holmes,David A wrote:
> But I recollect that FORE ATM equipment using LAN Emulation (LANE) used
> a broadcast and unknown server (BUS) to establish a point-to-point ATM
> PVC for each broadcast and multicast receiver on a LAN segment. As well
> as being inherently unscalable (I think the BUS ran on an ASX1000 cpu),
> this scheme turned the single stream concept of multicast on its head,
> creating essentially a unicast stream for each multicast PVC client.
IIRC, plenty of popular ethernet switches do this across their backplane
for multicast ..
Adrian
