Not all QoS aspects can be responded to modern end customers still used 56 with bandwidth and neither PON nor kbps dial-up modems to read emails, for AON can really provide unlimited sending faxes and for home banking. In bandwidth. comparison to today’ s standard 3.5 Mbps ADSL connection, the bandwidth Nowadays, the Triple Play offerings, has increased 62-fold! Special implemented via copper wire often requirements from business customers, consist of two television channels with or demands for the backhaul of standard resolution (SDTV), a server connections or high Internet connection (>3 Mbps) performance IT applications would and at least one POTS or ISDN easily exceed these quality telephone connection. The current state specifications and require even greater of the art is that network operators are high quality performance. planning approx. 15 Mbps downlink capacity. 3.3. Business case aspects Using fiber optic cable promises virtually In the future the end customer will be unlimited bandwidths, however the demanding high definition TV (HDTV). network operator only ever has just the Two simultaneous TV channels will copper wire line in the last mile. That mean an unacceptable restriction for a means that if the DSL technology is no family of four in the long term. longer adequate, new optical cables Furthermore, currently ADSL 16 Mbps must always be laid. Internet access is already being marketed to private customers and But when making a comparison including n telephone lines. between POS and AOS from different Online gaming – in the Far East popular Investment views it can be noticed that for years – is also looking promising in PON Vs.AON in Cost Europe. In this case, top rates of 50 AON PON Mbps per subscriber line could easily be Low High reached. Today, standard VDSL2 access Cost of (active components) would not be able to cope. High Low Costs of (passive components and The scenario described above indicates infrastructure) what the private consumer will look like High LOW in the near future. If such a scenario appears exaggerated, we only have to Network rollout costs recall the situation 10 years ago when High Low
Not all QoS aspects can be responded to with bandwidth and neither PON nor AON can really provide unlimited bandwidth. Nowadays, the Triple Play offerings, implemented via copper wire often consist of two television channels with standard resolution (SDTV), a Internet connection (>3 Mbps) and at least one POTS or ISDN telephone connection. The current state of the art is that network operators are planning approx. 15 Mbps downlink capacity. In the future the end customer will be demanding high definition TV (HDTV). Two simultaneous TV channels will mean an unacceptable restriction for a family of four in the long term. Furthermore, currently ADSL 16 Mbps Internet access is already being marketed to private customers and including n telephone lines. Online gaming – in the Far East popular for years – is also looking promising in Europe. In this case, top rates of 50 Mbps per subscriber line could easily be reached. Today, standard VDSL2 access would not be able to cope. The scenario described above indicates what the private consumer will look like in the near future. If such a scenario appears exaggerated, we only have to recall the situation 10 years ago when modern end customers still used 56 kbps dial-up modems to read emails, for sending faxes and for home banking. In comparison to today’ s standard 3.5 Mbps ADSL connection, the bandwidth has increased 62-fold! Special requirements from business customers, or demands for the backhaul of server connections or high performance IT applications would easily exceed these quality specifications and require even greater high quality performance. 3.3. Business case aspects Using fiber optic cable promises virtually unlimited bandwidths, however the network operator only ever has just the copper wire line in the last mile. That means that if the DSL technology is no longer adequate, new optical cables must always be laid. But when making a comparison between POS and AOS from different Investment views it can be noticed that PON Vs.AON in Cost AON PON Low High Cost of (active components) High Low Costs of (passive components and infrastructure) High LOW Network rollout costs High Low
46858531-Optical-Access-Network.docx