6 IPTV-BC-En-IPTV EPG System Architecture and Flow Introduction-1-PPT-201009(Draft) 49p

7/31/2019 6 IPTV-BC-En-IPTV EPG System Architecture and Flow Introduction-1-PPT-201009(Draft) 49p

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IPTV EPG S stem Architecture andFlow Introduction

Contents

EPG System Architecture EPG Page Flow EPG Service Flow


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EPG Position in the IPTV System

Edge EPG DistributionChannel

The Importance of theCentral EPG: Reason

for Active/Standby Dual

Computers

Interfaces

EPG registrationCP/Agent

EPG Stateand Heartbeat Report

EPG Initiates theSubscription Flow

Role of EPG in the

Broadcast Flow

EPG Maintenance

EPG Server

EPG Server System Structure Web Application

The web application layer provides the STB withHTTP-based services, guide user operations and

ServiceApplication

Application Support

Web Application

Operating System

sp ays n orma on roug e rowser.

Service Application

The service application layer provides service proxyfor the web application layer. It acts as the agent ofthe service processing system to performauthentication, subscription, service location andfavorite collection.

Application Support

The application support layer provides data caching,synchronization, and service message sending andreceiving. It is the core of the EPG service.

Operating System

The Operating System layer is the foundation of allapplications.


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EPG Module Structure

EPG Module Description

The EPG template is responsible for page display

The EPG background implements data query andprovides external interfaces

The WSMAP platform provides bottom-layersupport such as database connection

Xbase is the local database for data caching

The Monitor monitors Tomcat and Xbase


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EPG Functions and Software Structure

EPG Related Logs

/home/zxin10/was/tomcat/logs

catalina.out

tomcat related logs

/home/zxin10/was/tomcat/logs/epglog

syslog-yyyy.mm.dd

User EPG operation logs

epglog-yyyy.mm.dd

,synchronization


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Contents


EPG Basic Operation Flow


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User Power-On and Logon Flow

After turning on the STB, the logon page appears.Input the user name and the password. After

,(homepage of EPG) appears.

Tree-Shaped Column Display FlowLevel 1

Sub-column

Level 2

Sub-column

Level 2

Sub-column

Level 3

Sub-column

Level 3

Sub-column

Level 3

Sub-column

Level 3

Sub-column

The columns are formed in the shape of a tree.

Each column has a field that indicates whether it has any sub-

columns. During page display, this field helps to determine whetherthere is any sub-columns. If yes, the sub-columns will be displayed;

otherwise you will go to the program demonstration page.


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Information Column Display Flow

Programs in the information column are third-partywebpages.

screen resolutions, these webpages are relatively simple,providing information such as weather, shopping andmedical care information.

When the user connects to the external network, he/shewill need the destination network address, and the STB will

access the external network. To return from the external

webpages, the user can simply press the return button orthe menu button.

Basic Flow of Live Broadcast Channels

LiveTV is a value-added service provided by broadband service

providers. It is similar to the traditional TV services such as wireless TV,cable TV and satellite TV. The IPTV implements live broadcast throughmulticast, and bears TV signals over the IP network.


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One channel corresponds to one live stream. After entering the live

broadcast channels, the EPG displays the information of all channels,including station logo, channel name and channel number.

Basic Flow of Live Broadcast Channels Detail Display

From the channel list, click a channel to enter the detail page, which

displays the following information: channel name, channel logo,channel introduction, favorites and parental control.

PlayOn the detail page, click the play button to enter the channelauthentication, subscription and play flow. After authentication, the

user can start receiving the programs.

Program Preview.

can move the preview list to check the previews in the next few days

on each channel.


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Personal Recording RequestSome templates provide the personal recording request function for

live broadcast channels. A recordin button is rovided after eachprogram on the channel to enable the user to record the program. Clickthe recording button to enter the subscription flow.

Playing Recorded ProgramsTemplates that provide the personal recording function also provides

the recording list query function, so that the user can querysuccessfully recorded programs. After each recorded program there is

. ,subscription and play flow.

Basic VOD Flow TV Series Authentication and Subscription Flow

Album authentication and subscription flow

Add VOD to favorites through the template page

Add TV Series to Favorites via OSD

Add TV Series to favorites through the template page

Add Albums to Favorites via OSD

Add album to favorites through the template page

Play common VODs


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Basic VOD Flow

Play TV SeriesOn the program display page, click a TV series to enter the detail

dis la a e. Then click an e isode. The s stem authenticates theuser and checks the charging method, and then the STB redirects thestreaming media interface to the selected episode. The user can then

start watching.

Play Albums and ThemesOn the program display page, click an album to enter the detail displaypage. Then click any episode. The system authenticates the user and

,media interface to the selected episode. The user can then start

watching.

Basic EPG Flow

Basic Flow of Replaying TV Programs Basic Flow of Replaying TV Programs

Display TV Programs

Universal Flow

Basic Flow of Live Broadcast

Channels

Basic VOD Flow

Basic Flow of Replaying TV

Play TV Programs

Programs

Basic Information Interaction Flow

Basic Flow of Self-Help Service

Basic Karaoke Flow


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Basic Information Interaction Flow

Jumping to Third-party WebpagesJumping to third-party webpages is implemented through the

Javascript in the STB. On the information program display page, click,

browsing of third-party webpages. On the webpages, press the Menubutton to return to the EPG page.

Contents



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EPG Release Flow

EPG Template Preparation

Template loading and release

After loading and releasing, the template can be assigned to the user

in the SLCS system.

User Authentication and Entering the PackageTemplate

After the user logs on and passes authentication, the EPG server

selects the template and charging package according to userinformation.

Flow of Updating EPG Manageable Elements


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Flow of Updating EPG Global Templates

The EPG template displays element locations and function changes.

To manually update templates:

Manuall u load the tem lates to the EPG servers.

Restart the TOMCAT service on the EPG server.

To automatically update the template:

Add the prepared template to a zip file, and manually upload thezip file to the FTP server that contains the GPG template from

content providers to replace existing template.

In the SLCS management system, re-apply this template.

en res ar e serv ce on eac server.

EPG Template Distribution Flow


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Flow of STB Logging on to the EPG andRedirection

STB Service processing Main EPG EdgeEPG

The user opens an account and is assigned the edge EPG

First user logon

The main EPG authenticates the user

Authentication successful. The default EPG address is returned.

The edge EPG regularly reports survival information

The main EPG returns the authentication success message+service

EPG information, and redirects to the edge.

The user connects to the service EPG

Flow of Logging on to EPG Templates of Different

Packages by the STBEPG CMS OSS

Create the template and define template entrance

Template addition notification

to the databaseReply to the notificationAssign the template to th

user or the user groupTemplate assignment notification

Reply to the notification

Template assignment notification

Reply to the notification

Request to download the template

Template information

Request for the template of the user

Reply to the request


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Channel Distribution Flow

Channel Distribution FlowChannel Distribution Flow

Flow of Live Broadcasting EPG Channels (1)


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Flow of Live Broadcasting EPG Channels (2)

Flow of Playing VOD from the EPG


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Flow of Playing VOD from the EPG

Flow of Displaying the EPG


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Flow of Locking/Unlocking EPG Channels

Flow of Distributing EPG Channels


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Flow of Synchronizing EPG ProgramInformation

Flow of Synchronizing User Information


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Flow of Adding Programs to Favorites

Flow of Synchronizing User Information


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EPG Redirection Flow

Binding EPGs with Nodes The 1.0 platform currently binds nodes with the EPG.

When adding an EPG device to the CDN portal, you.

The EPG memory saves information of the node bound tothe EPG.

After the user logs on to an EPG, services will be providedto the user from the node bound to the EPG.

When the user plays a VOD program on the EPG, the EPG

crea es an message ase on e no e n orma onin its memory and then sends the message to the STB.The STB then directly sends the RTSP play request to thebound node.


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Binding Users with Nodes

The 2.0 platform binds users with nodes, and the relationsbetween users and STB IP addresses are maintained on

.

When the user logs on, the system performs the loadbalancing of the EPG according to the logon address, anddetermines the IP address of the media service nodeaccording to the logon address.

The s830cardinf table has relationships between the.

Binding Users with Nodes


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Power-Off Flow

Emergency Flow


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EPG Server ServiceSystem

User Authentication

Authentication

Acknowledgement

Interface Flow

WANVDN Central

Node

Including VDN

Manager, VDN Agent

and streaming media

Live Broadcast across

the Network through

Multicast

STB

TV

VDN edge

1

VDN edge

2

VDN edge

n

Including VDN Agent, distributedEPG Server and streaming media

EPG, STB, Service System and Flow Media

Interfaces

STB EPG Server

EPGService S stem

Service SystemStreaming Media System

STB Steaming Media

RTSP media stream play


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6 IPTV-BC-En-IPTV EPG System Architecture and Flow Introduction-1-PPT-201009(Draft) 49p

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