On Mar 23, 2012, at 6:21 AM, Masataka Ohta wrote: > Jared Mauch wrote: > >> It is already a monopoly. Most places are served by one of >> the utilities: power, telephony or cable. He that controls >> the outside plant controls your fate. > > The difference is in how the services can be unbundled. > > Power is additive (if in phase) that network topology is > irrelevant. > > For telephony, unbundling for DSL at L1 is just fine. > > So is optical fiber if single star topology is used. > > WDM PON can still be unbundled at L1. > > However, with time slotted PON, unbundling must be > at L2, which is as expensive as L3, which means > there effectively is no unbundling. > > Or, CLEC may rent a raw fiber at L1 and operate its > own PON. However, as CLEC has less customer density > to share the fiber than ILEC, CLEC's fiber cost per > customer is higher than that of ILEC, which is why > PON promotes local monopoly.
It doesn't promote local monopoly if you don't allow the L1 company to provide L2+ services. If the L1 company is required to be independent of and treat all L2+ services companies equally, then, the ILEC, CLEC, et. all have the same cost per customer. Owen
