about IPv6 PPPoE

Christian de Larrinaga cdel@firsthand.net
Tue, 30 Apr 2002 09:59:35 +0100


> PPPoE lets service providers oversubscribe their DSL termination
> routers.  If just regular bridged connections were used a router can
> only handle so many (8000 for redback sms-1800 routers) of those
> circuits.  With PPPoE the service provider can terminate many more
> circuits since not everyone is using the system at the same time.  This
> greatly recudes the per-user cost of the equipment for the service
> provider.  It also works the same as a dialup connection that the user
> is already familiar with.  There really arent many problems with PPPoE
> at all.  It's very more scalable than bridged RFC1483 operation.

so this is what is meant by ADSL contention ratio? e.g., BT in UK quote
20:1?
is BT is over subscribing DSL termination routers 20x?

Christian

Christian de Larrinaga