FTTH

Connects optical fiber directly to residences

CO->Dist Hub ->AP ->Residence

AON -active optical networks-E signals

PON – passive optical networks -Optical splitters

ONT – Optical network terminal

WDM – multiple light Wavelength over same fiber

DSL

Telephone lines  to service subscribers

Asymmetric DSL – More Download

CPE

Telecommunications equipment that is installed at a customer’s location

PPPoe

Point-to-Point Protocol  frames inside Ethernet frames

Multiple users to connect to an ISP over existing Ethernet 

Client request for servers->ISP responds->client select->ISP server accept