Scenario 1: Broadband Environment; A Basic Video Round Trip - Oracle Video server Manual

Putting It Together: The Video Round Trip
Figure 1–4 A basic video round trip
Tier 1: Client
Set-top box
Network Computer
Personal Computer

Scenario 1: Broadband Environment

The broadband environment is characterized by delivery of large amounts of
digital video data at very high rates to dedicated set-top devices that receive and
decode the digital video. Video is typically shown full-screen and full-motion.
Figure 1–5
Transfer Mode (ATM)
been somewhat simplified, to show a typical configuration; actual broadband
deployment might involve many more variables in terms of particular hardware
used, the number of neighborhood hubs, and the type and number of ATM
multiplexers.
1-16 Introducing Oracle Video Server
N
ETWORK
ATM
Switched
Ethernet
N
ETWORK
UDP/TCP
ATM
S
WITCHED
E
THERNET
UDP/TCP
HTTP
Network:
This portion of
the video round trip varies
most, and is the primary
determinant of the video
delivery environment.
shows an example of a network configuration using
in a broadband delivery environment. The network itself has
:
:
Tier 2:
OVS acts
as the Application
Server Tier.
Tier 3:
An
optional
dedicated
database server
stores metadata
(administrative
information about
content files).
Asynchronous