Typical Atm Network For The Broadband Delivery Environment - Oracle Video server Manual

Figure 1–5 Typical ATM network for the broadband delivery environment
HFC
(Hybrid-Fiber Coaxial)
cable
Up to 622 Mbits/sec
Client
Device
Individual Homes
Neighborhood
or Area
Region or
Metropolitan Area
OVS
Video Service
Provider
Putting It Together: The Video Round Trip
To/From
add'l clients
Neighborhood
Hub
ATM
Switch
To/From add'l
Database
1. In an ATM
environment, the
neighborhood hub
receives messages
To/From
from, and delivers
add'l hubs
video to, the client
device. The hub has
the IP address of the
client, to ensure
proper delivery.
2. The neighborhood
interfaces with an ATM
switch serving an area
or metropolitan region
(several hubs).
switches
3. The switch forwards
client messages to
OVS (which
communicates with
the database server),
and delivers streamed
video coming from the
server.
Concepts 1-17