Exactly!
On Mon, Feb 4, 2013 at 4:17 PM, Jean-Francois Mezei < jfmezei_na...@vaxination.ca> wrote: > On 13-02-04 16:04, Scott Helms wrote: > > > Subscribers don't care if the hand off is at layer 1 or layer 2 so this > is > > moot as well. > > This is where one has to be carefull. The wholesale scenario in Canada > leaves indepdendant ISPs having to explain to their customers that they > can't fix certain problems and that they must call the telco/cableco to > get it fixed. (in the case of a certain cable company, they can't even > call them, it has to be done by email with response of at least 48 hours). > > So splitting responsabilities can be an annoyance if it becomes very > visible to the end users. > > Another aspect: customers espect to be able to switch seamlessly from > one ISP to the next. But ISP-2 can't take over from ISP-1 until ISP-1 > has relinquised control over the line to the end user. In a layer 1 > scenario, it means ISP-1 has to physically go and deinstall their CPE > and disconnect strand from their OLT, and then ISP-2 can do the reverse > and reconnect evrything to provide services. > > What happens when ISP-1 isn't interested in a quick disconnect and ISP-2 > has to wait days/weeks with end use without service ? > > > In a layer2 service, it is a matter of reconfiguring the OLT to pass > ethernet packets to a different VLAN to a different ISP. No physical > changes required and it can be almost tranparent to the end user who > just has to make a new DHCP request and be provisioned by ISP-2. > > > -- Scott Helms Vice President of Technology ZCorum (678) 507-5000 -------------------------------- http://twitter.com/kscotthelms --------------------------------