Jean-Francois Mezei wrote: > 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.
No different from competing ISPs using DSL or PON. > 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. No different from competing ISPs using DSL or PON. > 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. No. Just say optical MDF. > 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 ? You assume ISP-1 quickly stop servicing the end user, don't you? > 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 What happens when OLT operator isn't interested in a quick reconfiguration, ISP-1 quickly stop servicing the end user and ISP-2 has to wait days/weeks with end user without service? Masataka Ohta