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Chapter 1 Overview of the Content Delivery Engines
Cisco VDS-TV Overview
Each CDE in the VDS-TV contributes to one or more of these functions as determined by the CDAs
running on it.
describes the relationship between the CDA names and the TV Content Delivery
System Manager (CDSM) device names.
illustrates how a VDS-TV network can be deployed. A business management system (BMS),
commonly called a back office, enables service providers to deploy on-demand services by using Video
on Demand (VoD) servers, networks, billing systems’ and other system components. The asset
management system (AMS) manages the content on headend and node servers, while the BMS handles
functions related to pitching and catching. Sometimes there is some overlap of functionality between the
BMS and the AMS.
Figure 1-2
High-Level System View of VDS-TV
The Cisco VDS-TV solution has four major elements:
Table 1-2
CDA Mapping to Functionality and TV CDSM
CDA Name
Functionality
CDSM Device
Name
Vault
Ingest and storage
Vault
TV Streamer
Content caching, personalization, and streaming to STBs Streamer
TV PlayOut
Multicast or unicast streaming of conventionally
scheduled or looped content
Streamer
TV MediaX Suite
Aids content ingest workflow and scheduling tasks for
both asset-based and real-time content
CDSM
TV Content
Delivery System
Manager
Management
CDSM
Caching Node
Content distribution
Caching Node
Recorder
Cloud DVR ingest, recording, and storage
Recorder
HFC
Streamer Array
RF Devices
Set-top Box
Content
Provider
CDSM
VVIM
Vault Array
Asset
Management
System
Business
Management
System
RF
Raw
Data
Management
Metadata
Management
252020
Caching Nodes
Switched
Network
Switched
Network
Switched
Network
Management