6 Feb
2013
6 Feb
'13
4:48 p.m.
Scott Helms wrote:
Actually, at the level that Eric's discussing there isn't any real drawback to using ATM.
High cost is the real drawback.
but the basic concept is not bad.
It is not enough, even if you use inexpensive Ethernet. See the subject.
Why?
Because, for competing ISPs with considerable share, L1 unbundling costs less. They can just have routers, switches and DSL modems in collocation spaces of COs, without L2TP or PPPoE, which means they can eliminate cost for L2TP or PPPoE. Masataka Ohta