Cisco Tv Cds Overview; Ondemand Application; Video Accelerator Software - Cisco Content Delivery Engine 100/200/300/400 Hardware Installation Manual

Content delivery engine
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Cisco TV CDS Overview

The CDE100 supports device-mode configuration and can be configured with the CDS 2.0-2.1 software
Note
to operate only as a CDSM.
The CDE200 supports device-mode configuration and can be configured with the CDS 2.0-2.1 software
to operate as an SE, SR, or a CDSM.
Cisco TV CDS Overview
The Cisco TV CDS is a high performance, open architecture vehicle capable of delivering a wide range
of advanced video applications. The Cisco TV CDS consists of the following elements:

OnDemand Application

In order for cable operators to successfully deliver Video On Demand (VOD) services, a number of
system elements must be present and work together. The OnDemand application is a component of next
generation, open architecture VOD systems. The OnDemand application delivers a highly scalable and
reliable solution for ingest, storage, content distribution, personalization and streaming of OnDemand
Video.
The Cisco Video On Demand solution has three major elements:
In smaller systems, the CDE200 Integrated Streamer Vault (ISV) can be used, where the Vault and
Note
Streamer functionality exist in one CDE200 ISV.

Video Accelerator Software

Cisco has developed the Video Accelerator, a unique technology that facilitates the rapid movement of
content between Vaults and Streamers while keeping required bandwidth to a minimum. To accomplish
this, the Video Accelerator uses a form of caching across Gigabit Ethernet networks. All content is held
reliably on the Vault servers and a large amount, but not all, of the content is also contained on the
Cisco Content Delivery Engine 100/200/300/400 Hardware Installation Guide
1-2
Intel Xeon architecture servers
Linux operating system
OnDemand software
Video Accelerator software
A Vault Group consisting of one or more CDE200s or CDE400s. The Vault Group is responsible for
ingest and reliable storage of Video On Demand content. The number of CDE200s or CDE400s in
the Vault Group is driven by the amount of content that the Video On Demand system offers.
One or more Streaming Groups each consisting of one or more CDE300s. The Streaming Group is
responsible for the personalization and streaming of Video OnDemand in response to user requests.
The number of CDE300s and Streaming Groups is determined by the number of Video On Demand
streams deployed and by the topology that best suits your individual network.
A CDSM (CDE100 or CDE200). The CDSM is used to manage the Vaults and Streamers, collect
event logs, and host reporting tools.
Chapter 1
Overview of the Content Delivery Engines
OL-13478-03

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