Cisco CDE 220 Series - Page 23

1-3
Cisco Content Delivery Engine 205/220/250/280/285/420/460/475 Hardware Installation Guide
Chapter 1 Overview of the Content Delivery Engines
Cisco VDS-TV Overview
Figure 1-1 High-Level View of the Cisco VDS Internet Streamer
Cisco VDS-TV Overview
The Cisco Videoscape Distribution Suite for Television (VDS-TV) is a distributed network of CDEs
running CDAs that collaborate with each other to deliver personalized entertainment and interactive
media to subscribers.
The VDS-TV has a variety of functions to accelerate the distribution and delivery of content. The
VDS-TV interoperates with electronic program guides (EPGs), set-top boxes (STBs), and back office
applications, offering an end-to-end solution for video delivery systems.
The Cisco VDS-TV functionality can be separated into four areas:
• Ingest
• Storage
• Streaming
• Management
Service Engine
Content Acquirer
Service Engine
Internet Streamer
CDSM
Origin
servers
C
ontent
p
rovider
content
metadata
metadata
content
DNS
servers
Asset
Management
System
GigE GigE GigE
GigE
GigE
GigE
GigE
GigE
GigE
GigE
management
management
Policy Servers
(QoS and
conditional
access)
Service Router
Service Engine
Internet Streamer
Service Engine
Internet Streamer
Switched
network
Switched
network
Access point
Modem
HFC
RF
CMTS
CMTS
RF
RF
CMTS
Access poin
t
Access point
211809