IPTV Bearer Network Solution

IPTV Project Bearer Network End-to-End Solution

Mr.Xiao Yu Presales, VN office

Mr.He shu Senior engineer of IP product

Contents

� Brief of ZTE IPTV Solution

� Services Deployment Proposal

� IPTV Bearer Network Technical Requirement

� IPTV service isolation

� Multicast Routing

� Multicast control and Replication Point

� QoS Deployment

� Security Deployment

� Suggestion for IPTV Bearer Network

© 2006, ZTE Corporation. All rights reserved.

Rapid Development of Worldwide IPTV

Growth in IPTV Subscribers in Region IPTV Revenues 2006 -2010

Source:

It is forecasted that the number of subscribers worldwide will increase from 5 million in 2006to 29.5 million in 2010.

The IPTV revenues will increase from $1.5 billion in 2006 to 9.3 billion in 2010.


ZTE IPTV Milestone

Started R&D team focusing

on IPTV field

（2002）

Highly Praised by IDC&UBS

NO 1 Brand in China (2006）No. 1 Brand No. 1 Brand

in Chinain China

Evo

lvin

g

Evo

lvin

g

Released IPTV H.264 solution

（Q4 2005）

First market share in China market

Win IPTV project of TelePassport in Greece

and Emcali in Columbia

(2005-2006）

�Strong R&D capabilities

There’re more than 1000 employees in ZTE multimedia product line who devote into IPTV R&D, market ,

producing and after sales service.

�Perfect project management

An exclusive project management team including R&D team, SI team and execution team for

guaranteeing the implementation of the project.

Core Competence

Converge with NGN: Video communication

More value added services: STB JVM support

(2006 Q1）


Highlights of ZTE IPTV Solution

Flexible VDN technologyIPTV

Platform

VCDN technology

Multiple EPG template

Digital Home

H.264, MPEG4, AVS

encoding technology

NGN、3G service

convergence

The open & standardization

system architecture ease for 3rd

party service integration

Actively participate in IPTV

standardization job

Next Generation

Services

IMS oriented solution

Joint operation with

multiple SP/CP,

enterprise and hotel

Builds up a elastic

scalable network

The trend of future home

network

Full Series Dhome products

Opened middleware

architecture

Fast service innovation Distributed middleware


ZTE IPTV Solution Architecture

An end-to-end solution contains encoders, middleware, content delivery network, home gateway, STB and so on.

Satellite Receiver Encoder

Local

Content

Pre-

Encryptor

Right Manager

IP Scrambler

Content Source

STB TVHG

PC+SoftSTB

Networ

k

Digital

Home

CAS&DRM SIP Phone

Head End

SMS CMSEPG

CDN Manager

&VOD Center Cluster

Middleware

NMS Billing

BOSS

IP

Network

CDN Agent

& VOD

Cluster

Multicast Stream

Unicast Stream

Control Stream

Bluetooth

handset

Demodulator

NMS


Open System of ZTE IPTV: Partner Matrix

MiddlewareCA/DRMEncoder VOD Server STB

Hardware Vendors

ThomsonThomsonThomsonThomson Suniwell

AminoOptibase

Verimatrix

Yuxing


Network Deployment of Middleware

Central

Edge

�Carrier-class reliability

� Dual switch plane

�Dual server for key component

Service processing server

Interface server

EPG server

�Flexible scalable capability

�Distributed EPG, scalable for

large scale deployment


Open Middleware Architecture

SOAP

CDN NMSDRM BOSS STB

Middleware

S

M

S

SP/CP

management

Service

Management

Customer

Management

STB VersionManagement

Authentication& Authorization

ReportSystem

AccountingManagement

ResourceManagement

CMS EPG

Content

Management

Planning&Arrangement

Template

Generation

Application

Service

Web

Service

Interface Adapter Layer

SOAP SNMP SOAP Http/SIP

The opened middleware architecture makes it easy to integrate the 3rd party service and system.The opened middleware architecture makes it easy to integrate the 3rd party service and system.

SOAP


Content Delivery Network for Large Scale Application

National centerNational center

Region CenterRegion Center

Edge

nodeEdge

node

Edge

node

Back bone

National operation

support platform

National operation

support platform

CDN

CDN

CDN

Manager

CDN

Manager

CDN Agent

CDN Agent

�Carrier-class reliability

�Global/local load balancing mechanism

�Fast fail over between nodes and within a node

�Flexible scaling capability

�Multilayer architecture, linear Scalable

with expansion

•CDN nodes management, includes

agent, VOD server and storage space

•CDN nodes performance statistics

•content management: content

distribution policy, content schedule…

•Global load balance between CDN

nodes

•Local node management including

VOD server, storage space within a

node

•Generate local equipment performance

report to CDN manager

• Local load balance in a node


Rich Services of ZTE IPTV System

Communication TV

Video Call

VOIP

Instant Message

Global Monitoring

SMS

Video Conference VOD

TV on Demand

Tele-voting

HDTV

Time-shifted TV

Virtual Channel

Live TV

VAS

Gaming

Web Browsing

TV Shopping

Remote Medicare

Media Sharing

TV Education

TV Mail

TV Stock


2007 Telecomm Exhibition _ IPTV

On 19th,Sep, ZTE shows IPTV service in VN

Telecomm exhibition. ZTE IPTV’s abundant

services attracted a lot of customers,

especially Karaoke and Video

communication.

ZTE’s stable system gets the trust of

Customers and hold exhibition again in IT

week exhibition .


Middleware

CDN

3G

MCUStrategy server

App serverIPTV System NGN System

Parlay gateway

H.320/H.323 gateway

3G gateway(VIG)

Softswitch

SIP

SIP

Bluetooth handset

SIP/H.323 SIP

SIP support, ready to support more services: SMS, instant message

Real Triple Play Services

Converging with NGN, 3G Mobile Network


Universal Network Management Platform

MiddlewareVoD server&

Storage disk

Digital Home

IAD STB

IPTV System

HG

NetNumen

SNMP SNMP TR069

Soft switch & IP network

•NetNumen - unified network management

platform

Service Layer： IPTV middleware, CDN,

Intelligent network ZXUP10, ZXIN10,

ZXNGUMS, ZXSMS

Control layer： Soft switch

ZXSS10(1a,1b,1c),Signal gateway,

Transmission layer：Router ZXR10、Ethernet

switcher ZXE10

Access Layer： DSL series，MSG series 、SG S100、MG M100、AG A200、MSAN,

EPON, GPON and so on

Terminal Layer ： IAD、STB、Home Gateway

NetNumen CPE

Based on ZTE

universal network

platform, exclusive

for CPE

management

…

Router

IP DSLAMMSANSS


ZTE IPTV Success Stories In the World

CanTV(Venezuela)

Vestitle(Bulgaria)

TelePassport(Greece)

Global Application (Including China) Global Application (Including China)

�� Over 15Over 15 commercial IPTV over the world;commercial IPTV over the world;

�� Over 55%Over 55% market share in China IPTV applications;market share in China IPTV applications;

Free internet (Thailand)

Linkdotnet (Egypt)

Emcali(Colombia)

Saudi(STC)

Great Success in China: 1. Shanghai Telecom, 2. Beijing Netcom, 3. Guangdong Telecom,4. Jiangsu Telecom, 5. Shaanxi Telecom,6. Yunnan Telecom, 7. Fujian Telecom8. Hubei Telecom9. Xinjiang Telecom…

Beltelecom(Belarus)


Shanghai Telecom IPTV-Sep,2006

About Project: World largest H.264 IPTV network; Project Scale: 150K users (Until July 2007) and covered 8 DCs; Multicast control and replication points locate on DSLAM; 90% Unicast stream are provided in edge nodes. Sub average bandwidth is 3Mbps.


IPTV of Emcali, Colombia-May,2006

About Project: Project Scale: 43K users; Multicast control and replication points locate on ZTE MSAG; 80% Unicast stream are provided in edge nodes. Sub average bandwidth is 3Mbps.

ContentsContents







� QoS Deployment




�Enhanced Efficiency: available network bandwidth is utilized more

efficiently since multiple streams of data are replaced with a single

transmission.

�Optimized Performance: less copies of data require forwarding and

processing.

�Distributed Applications: multipoint applications will not be possible

as demand and usage grows because unicast transmission will not

scale.

0

Video TrafficMbps

1 20 40 60 80 100User quantity

Multicast

Unicast

Advantage of Multicast Selection


Multicast Service Deployment

Video Source

Core Router

DSLAM

BRAS/AR

CPE

SMS, CMS, EPG, NMS VODSMS, CMS, EPG, NMS VODSMS, CMS, EPG, NMS VODSMS, CMS, EPG, NMS VOD

CPECPE

DRMHeadend Middleware

�� Multicast Services:Multicast Services:

Live Channel, nVOD.

�� Services ProvidingServices Providing：：From centralized node.

�� Multicast Control and Multicast Control and Replication pointReplication point :

By broadband network devices.

� QoE Assuring:By Broadband network and CPE devices.

Centralized node


Advantage:�Replicate point close to users,

saving Zapping time.

�Saving bandwidth between BRAS

and DSLAM.

�Disperse Control point, avoid fatal

single point fault.

Disadvantage:�DSLAM should support full

multicast Protocol and functions

Scenario:�Large scale IP TV network.

GSR

Control point: DSLAM

Replication point: DSLAM Multicast

Router

Multicast

RouterMulticast

Router

Service control:

DSLAM

Multicast

source

BRAS/AR

Multicast Service Design (Suggestion)


Unicast Service Deployment

Video Source

Core Router

DSLAM

BRAS/AR

10G Ring

CPE

SMS, CMS, EPG, NMSSMS, CMS, EPG, NMSSMS, CMS, EPG, NMSSMS, CMS, EPG, NMS

CPECPE

DRMHeadend Middleware�� Unicast Services:Unicast Services:

VOD,TVOD,NPVR,TSTV

�� Services ProvidingServices Providing：：Central node: 20%;

Edge Nodes: 80%;

�� Load Balance:Load Balance:

Edge nodes balance firstly;

Edge node stores hot

contents.

� QoE Assuring: By Broadband network and CPE devices.

Central node

VoD Server

VoDServer

VoD Server


EPG Service Deployment

Video Source

Core Router

DSLAM

BRAS/AR

10G Ring

CPE

SMS, CMS, EPG, NMSSMS, CMS, EPG, NMSSMS, CMS, EPG, NMSSMS, CMS, EPG, NMS

DRMHeadend Middleware

�� EPG Centralized mode:EPG Centralized mode:

� Small-scale, middle-scale;

� Uniform contents IPTV networks;

�� Applying Scenario:Applying Scenario:

� Large-scale IPTV network;

� The IPTV covers many cities and every city has it own business operation policy.

� The IPTV is opening to many special group users.

�� Reliability assure:Reliability assure:� User information is stored in

central and distributed EPG servers.

� EPG servers supports redundancy;

Central node

VoD Server

VoD Server

Distributed EPG Server

Move down EPG servers.


Services Billing Deployment

Central Nodes

Distributed billing Centers

Hanoi city billing center

HCM city billing center

HP city billing center

… city billing center

FTP

CDR Server

… group billing center

�� Flexible charge strategies to different cities, areas and group Flexible charge strategies to different cities, areas and group users. users.

�� Local management to local IPTV user.Local management to local IPTV user.

ContentsContents







� QoS Deployment




Broadband Network Optimization

1、、、、Bandwidth� Uplink Bandwidth

� Inner Architecture

� Network Architecture

� Circuit Bandwidth

2、、、、Multicast� Controlling Point

� Packet Replication

�Controllable Multicast

4、、、、Others� Security

� Port Identification

� Bandwidth Technologies

3、、、、QOS�QoS Requirements to

DSLAM

� QoS Requirements to

MODEM


IPTV Bearer Network Requirement � QoS

� Low Drop Rate,Delay,Jitter

� DiffServ support

� High bandwidth guarantee

� Multicast� Multicast Protocol Support

� Multicast Control Management

� Fast channel switch

� Security� Signal Source Control

� User management

� Video Service division

� Reliability� Multicast Source Connect

reliability

� Network reliability

Head

End

IP

Multicast

Stream

VoD Server

Content Distribution Network

Content

Management &

Schedule

IP Network

STB with secure client

PC

CAS&DR

M

Program

Resourc

e

Analog

signal

Digital

signal TUT

H.264 Encoder

IP Scrambler

Pre-Encryptor

Rights ManagerCenter

NMS Billing

IP Unicasting

(VOD)

IP

Multcasting

(NVOD)

Middleware

EPG

SM

S

CMS

An End-to-End solution

includes head end

system, middleware,

video distribution network, CAS&DRM

system and home

network.

Home

Network


QoS Requirement of IPTV Bearer Network

QOS Para

service

Network delay Network jitter Loss packet Rate

Packet Error Rate

Living broadcast 1s1s1s1s Less than 50msLess than 50msLess than 50msLess than 50ms Less than 1/1000Less than 1/1000Less than 1/1000Less than 1/1000 Less than 1/10000Less than 1/10000Less than 1/10000Less than 1/10000

VideoOnDemand 2s2s2s2s 1s 1s 1s 1s Less than 1/1000Less than 1/1000Less than 1/1000Less than 1/1000 Less than 1/10000Less than 1/10000Less than 1/10000Less than 1/10000

Video conference Less than 90msLess than 90msLess than 90msLess than 90ms Less than 20msLess than 20msLess than 20msLess than 20ms Less than 1/1000Less than 1/1000Less than 1/1000Less than 1/1000 Less than 1/10000Less than 1/10000Less than 1/10000Less than 1/10000

BTV: real time service, requirement of reserved bandwidth, low delay & low

jitter

VOD: not real time service, no strict requirement of delay and jitter, but

requirement of low loss packet


Bandwidth requirement of IPTV Bearer Network

CODE Bandwidth(bps) Application

MPEG1 1~2M VCD、MP3

MPEG2 1.5~6M DVD

MPEG4/H.264 4.8K~2M Internet Video

H.263 384K~2M Video Telephone

H.261 64K~1920K Video conference

WMV 64K~1M Internet Video

RealVideo 64K~1M Internet Video

MPEG2-HDTV 25-40M HDTV

The mainstream CODE: H.264 & MPEG4

Service traffic + controlling traffic = 2M per channel


Bandwidth requirement of IPTV Bearer Network

� About 2M bps per channel, assume 14 slots * 32=448 subscribers per DSLAM , 75% load ,4 DSLAM per Agg SW,3

Agg SW per SR ,so,about 4k (448*75%*4*3) subscribers per SR

� Assume that 50％ subscribers are online concurrently ,the internet service :512K bps/subscriber, 50％ subscribes enjoy

internet service concurrently .20 BTV channel,20% subscribers enjoy VOD service meantime ，the added traffic :

BTV：2M×20＝40M(Broadcast ) VOD：4000×50％×20％×2M＝800M (Unicast ) Internet service : 4000×50％×50％

×0.5M＝500M (Unicast )

PE

Bras SW

DSLAM

Access layer

Metro network

IP backbone

Bandwidth:448*75%*50%*20%*2

M(VOD )+448*75%*50%*50%*0.

5M (internet )+20*2M (BTV )=

150M

150M for per DSLAMAssume N DSLAM per aggregation SWBandwidth :150M *N ;if N

=4,so,bandwidth=600M

IPTV Edge

Bras

Only for internet service,assume N DSLAM per aggregation SW ,so ,Bandwidth :N *448*0.75*50%*50%*0.5M ,if N =4,

So Bandwidth =168M

Just for VOD service and BTV service , assume N DSLAM per aggregation SW ,so ,Bandwidth :N *448*0.75*50%*20%*2M+20*2M ,if N

=4,so Bandwidth =300M

Just for BTV service

Bandwidth :20*2M =40M

GE

Just for VODservice,assume 4k users per SR

Bandwidth :800M

GE or 10GE

GE

GEGE

GE

Contents





� Service Isolation in Backbone Network

� Service Isolation in Backbone Network border

� Service Isolation in MAN access network


� Multicast control and replication point

� QoS Implementation

� Security Implementation



Source End

TV&STB

CPE

Flow Media Server

Collection Code Server

Flow Media Server

Flow Media Server

BRAS//SR

Broadband Network

DSLAM

PC

Internet Modem

Integrated Model

�IPTV Bearer Network overlaps with internet access network

�Advantage �Don’t need large scale reconstruction and investment

�Disadvantage�Insufficient bandwidth, lack of multicast support, QoS guarantee & processing capability

�Summary �Suitable for initial deployment of IPTV service


Flow Media Server

IPTV Transmission Network

Source EndCollection Code Server

Flow Media Server

Server

PC

Internet

CPE

BRAS

DSLAM

IPTV POP

Modem

TV&STB

Separated Model

�IPTV Bearer Network is independent from internet access network physically

�Advantage �No-blocking bandwidth, bandwidth guarantee based on DS-TE,QoS guarantee based on Diffserv Model, service isolate

via MPLS VPN

�Disadvantage�investment

�Summary �Suitable for phase 2 of IPTV bearer network reconstruction, the existing network can’t meet the increasing demand of

IPTV service

Recommend: Separated Mode Recommend: Separated Mode

Contents














PC

TV&STB

CPE

BAS(QinQ termination 、DHCP Relay)

DSLAM

IPTV POP点

Modem

Inernet

Single-Edge mode(PPPOE for IPTV & internet )

�Internet service and IPTV service use the same access point ---BRAS

�Isolation between internet service and IPTV service via virtual routing

�PC accesses BRAS via PPPoE,STB accesses BRAS via PPPoE,DHCP or leased

line

�When using PPPoE,domain name or PVC/VLAN ID can be used to indentify

�When using DHCP,mac address of STB and DHCP option 60 can be used to

identify

�Single-Edge mode is simple,but need the BRAS being of adequate performance

capability

1: STB initializes

PPPOE (user@video)

2: PC initializes

PPPOE

(user@data)

3: BAS initializes

radius to AAA for

authentication

AAA Server4: authenticates

according to user profile

5: after

authenticates ,allo

ts IP address for

PC and STB


Single-Edge mode(PPPoE for Internet,DHCP for IPTV )

1: STB Initialize

DHCP

2: DSLAM/L2 fills in the content of

DHCP Option 82 according to the

user information (port /VLAN/PVC，then forward DHCP packet to DHCP

SERVER

3：DHCP Server checks

DHCP packet according to

the content of option 82，if

match ,allots private IP

address for STB

4: PC Initialize

PPPOE

(user@data)

5: BAS initial ize

Radius to AAA for

authentication

6: do AAA

authentication based

on user profile

7: after

authentication ,a

llot IP address

for PC

PC

TV&STB

CPE

BAS

(QinQ termination 、DHCP Relay)

DSLAM

IPTV POP点

Modem

Inernet

AAA Server

DHCP Server


PC

TV&STB

CPE

DSLAM

IPTV Service Gateway－SR

（DHCP Relay）

Modem

Inernet

BAS

(QinQ termination )

Multi-Edge mode

�BRAS for internet service,IPTV service router(SR ) for IPTV service

�PC accesses BRAS via PPPoE,STB accesses SR via IPoE or leased

line

�SR woks as DHCP relay,should support QinQ termination

�It seems to be the trend for future development by adopting multi-edge

mode


PC

Multi-Edge mode Vs single-Edge mode

�Service isolation �Multi-Edge isolates internet service,IPTV service,& Voice service physically

�Single-Edge isolates different services via Virtual-router

� Cost �When single-Edge, needs Bras to have high-density interface & high

processing capability ,costs a lots

�Expansibility �When multi-edge,SR accesses IPTV &NGN service ,while BRAS only

accesses internet service. easy to implement different policy, technology &

management mode according to different service,good expansibility

�When single-edge, adopts the common data-forwarding plane &controlling

plane, complicate & bad expansibility

�Security �Best-effort service interferes IPTV &NGN service

�Adopting the common control plane,DDos attack involves all the services

Recommend: MultiRecommend: Multi--Edge Mode Edge Mode

PPPoE for internet service PPPoE for internet service

IPoE for IPTV service IPoE for IPTV service

Contents














PC

DSLAM

SR （ DHCP Relay/ QinQ

Termination）

Modem

Inernet

BAS

（ QinQ

Termination）

TV&STB

Broadband C-VLAN

VOD C-VLAN

Multicast M-VLAN

IPTV Unicast

Broadband

InternetVLAN Trunk

Broadband PVC

IPTV PVC

IPTV Multicast

Aggregation Switch

（SVLAN）

VLAN &PVC design

�Between DSLAM and STB,different PVC for different service: IPTV

service &broadband service

� Dslam maps different PVC into different VLAN

�Agg SW enables selective–QinQ for IPTV C-VLAN and broadband C-

VLAN ,while transparent transmission for multicast M-VLAN


Voice

IPTV

Internet

Isolation

Voice

IPTV

Internet

Isolation

Isolate services via PVC Isolate services via

VLAN

VLAN layout

�For each DSLAM, one VLAN for internet service, one VLAN for voice

service ,one VLAN for VOD service

� For all the DSLAMS,one Multicast VLAN for BTV service

Contents











DR

Living content

BTV headend

LIVE TV(Multicast）

IP ENCODER

IP DEMUX

DSLAM

xDSLMODEM

STB

PCDSLAM

xDSLMODEM

STB

PC

Static Multi-cast Routing

Static Multi-cast

Routing

Static Multi-cast

BAS/SR

BAS/SR

�Transparent tunnel for multicast traffic between L3 multicast /IGMP

border and multicast source is created via static multicast routing

�Users, who are enjoying IPTV service, receive multicast traffic from L3

multicast /IGMP border fast, also can shift the channel fast

�Suitable for this application of IPTV service subscribes being centralized


Dynamic Multi-cast(PIM –SM/DM )

DRRP

Realtime content

BTV headend

LIVE TV(Multicast）

IP ENCODER

IP DEMUX

DSLAMxDSL

BAS

MODEM STB

PCDSLAM

xDSL

BAS

MODEM STB

PC

SPT

RPT

PIM-SM

�Multicast tree is created from multicast source to L3 multicast/IGMP

border via dynamic multicast routing protocols such as PIM-SM/DM

�PIM –SM is Suitable for this application of IPTV service subscribes being

distributed

�PIM –DM is suitable for this application that owns a lots IPTV service

subscribe ,has a large number of IPTV program channel and the IPTV

service subscribes are distributed

Contents











Multicast Control on SR/BRAS

IP Backbone

DSLAM

IGMP proxy

Illegal user Legal User

User /Port Channel

Port 1 Fashion TV

Port 3IGMP Join(Fashion TV)

Fashion TV

Fashion TV

Port 1

IGMP Join(fashion TV )

Fashion TV

Multicast Resource

Fashion TV

IGMP Join

（Fashion

TV）Multicast forwarding table

Multicast Right Access List

�BR AS works as multicast control point ,disadvantages:

� the illegal user can access the channel being enjoyed by legal user

� no way for avoiding enabling several STB with only one account

Channel Port

Fashion TV

BRAS multicast right control ：discard IGMP

packet from illegal

Port 1 Port 3


Multicast Control on DSLAM

IP Backbone

DSLAMIGMP proxy

Illegal user Legal User

User /Port Channel # of channel

Port 1 Fashion TV 1

Port 3IGMP Join(Fashion TV)

Fashion TV

Fashion TV

Port 1

IGMP Join(fashion TV )

Fashion TV

Multicast Resource

Fashion TV

IGMP Join

（Fashion

TV）Multicast forwarding table Multicast Right Access List

�DSLAM works as multicast control point ,advantages:

� avoid the illegal user’s accessing base on port ,mac address &IP address

� avoid multi- users’ accessing with only on account

Channel Port

Fashion TV Port 1

Port 1

IGMP Join(Start Movie)


IGMP Join

Multicast Control on DSLAM

IP Backbone

usern User1

Multicast Resource

NMS

OSS

1: USER orders IPTV service

2: Multicast Resource notices

OSS to authenticate and

charge 3:after authentication,OSS

sends user name ,channel and

multicast –group information to

NMS

4:NMS sends DSLAM these

information about user

port/pvc,and multicast group

5: after receives these

information ,DSLAM updates

multicast right access list

User /Port Channel # of channel

Port 1 Fashion TV 1

Port 2 Start sport 1

User2

6:multicast resource send the

multicast traffic

7:STB apply to join multicast –

group ,and DSLAM accesses

user and replicates multicast

traffic to user


PC

TV&STB

CPE

DSLAM

IPTV Service Gateway

－SR

（DHCP Relay）

Modem

Inernet

BAS(QinQ termination )

Multicast Control & Replication on DSLAM

�DSLAM works as the multicast access control point, also as replication point

�Advantage: reduces multicast replication pressure above DSLAM, high reliability

of avoid single-point failure & controllable multicast

�Disadvantage: need all DSLAM to support multicast replication and IGMP proxy

�Summary: It is a trend that DSLAM works as multicast control point &replication

point

Recommend: DSLAM Works as multicast control point &replication Recommend: DSLAM Works as multicast control point &replication

point point

1: STB Initializes

IGMP join

2:DSLAM enables IGMP

proxy, forwards IGMP to

aggregation SW via

multi- VLAN

3:Agg SW enables

IGMP

snooping,forwards

IGMP to SR via multi-

VLAN

4:SR receives IGMP

join ,requests multicast

traffic via static or

dynamic multicast

routing

5:SR forwards multicast

traffic to DSLAM/l2

multi- VLAN

6:DSLAM forwards

multicast traffic to STB

via PVC

Contents











Queue 0

Queue 1

Queue 2

Queue NIngress Egress

SchedulingTraffic Classification

� Classification according to:

IP, MAC, TCP/UDP Port,

VLAN ID, L2/L3 protocol type,

DSCP, 802.1P etc.

� Traffic policy and metering

� Traffic marking:

modify DSCP or 802.1P field

� Congestion avoidance :

RED/WRED

� Queue Scheduling:

SP/WRR/SP+WRR etc.

� Traffic shaping,CAR

The Common QoS Mechanism


IPTV bearer network QoS implementation Schedule the

traffic according to

PVC

IPTV bearer network

Flow Media Server

CPE

DSLAM

IPTV POP

Modem

TV&STB

PC

BRAS

Upstream

Down stream

Schedule the


802.1p&VLAN

Schedule the


802.1p&VLAN

Map 802.1p or VLAN into

DSCP, schedule traffic

according to DSCP

Schedule traffic according to

DSCP, Map DSCP into

802.1p or VLAN

Schedule the


802.1p&VLAN

Schedule the


PVC

Forwards traffic according to

the mapping between PVC and

port

� Services are Identified by different information inside packet header in the different segment of network

� Priority scheduling is used to ensure the service experience

− Priority order is VOIP, BTV, lease line service, VOD, device management and HSI

− VOIP & BTV are scheduled with SP

− All other services are scheduled with WRR

� Traffic policing and shaping are used to avoid the congestion of network；

Contents











IPTV Bearer Network

Flow Media Server

CPE

DSLAM

IPTV POP

Modem

TV&STB

VLAN/PVC

isolation

Control the distribution of

DHCP address as per

MAC address/Option

60/Option 82

PC

IPTV bearer network Security Implementation

� Security for network

� Fix Firewall in the front of service systems ,such as flow media server

� Adopting VPN to isolate service

� IP address spoofing & ACL ,avoid RP cheating

� TTL check to control the range of multicast

� Static multicast tree support to control the coverage &path of the multicast service and reject other dynamic multicast

members

� Controllable multicast

� Security for terminal

� STB obtains address via DHCP ,classify the user’s self-configured address as invalid

� DHCP option 60 & STB MAC address range check

� Binding check of IP address and mac address of terminal

� Security for device

� DSLAM enables DHCP 82 to insect user circuit identification

� Limit the # of mac address each PVC

� Security for service

� Per service per vlan

� SR send s uer information to backend via RADIUS ,including :user’s MAC address ,IP address ,user’s circuit information etc.

Put Firewall in the

front of service

system

VPN ,IP address

spoofing ,ACL ,TTL check

& static multicast tree

support

ZGMS,make the service

operable & manageable

AAA Server

DHCP Server

DHCP option

82:insert user

circuit identification

Contents









� Suggestion for EVN IPTV Bearer Network

Phase1_Network Topology for IPTV Service

IPTV Edge

IGMP proxy

IGMP snooping

IGMP proxy

IGMP snooping

PE

Core SW

HCM HCM HN HN

DN DN

IPTV center

PE

PE

Bras

Bras SW

SW

DSLAM

DSLAM Access layer

Aggre layer

Core layer

OSPF/PIM-SM/IGMP

IPTV Edge

DHCP SERVERDHCP SERVER

OSPF/PIM-SIM

OSPF/PIM-SM

PIM-SM/IGMP

OSPF/PIM-SM

PIM-SM/IGMP

OSPF/PIM-SM

� IP backbone &metro network run PIM-SM multicast routing protocol

� DSLAM runs IGMP proxy to make less IGMP packet to be handled on A ccess SW, relaxes Access SW

� Access SW runs IGMP snooping

� Put DHCP server centralized

� Among these SW in metro network ,interconnect with 10GE interface or GE-Trunk

� Can adopt GE –interface between PE and metro-network

� Suitable the initial stage of IPTV service deployment

InternetInternet

NGN/IPTV IP barer networkNGN/IPTV IP barer network

T64E/GERT1200/T600

ZXR10 G/5900

ZXR10 3900


Technical requirement for devices

� Modem/Home Gateway

� PPPoE

� IPoE

� DHCP client

� Static

� DSLAM

� IP –DSLAM ,support ADSL2 and ADSL2+

� IGMP proxy

� IGMP snooping & limitation of the # of IGMP request per second

� IGMP fast leave

� DHCP snooping &limitation of the #of DHCP request per second

� ARP inspection

� DHCP option 82

� Multicast VLAN

� 256~1024 multicast groups

� Controllable multicast

� Access SW

� IGMP proxy

� IGMP snooping & limitation of the # of IGMP request per second

� IGMP fast leave

� DHCP snooping &limitation of the #of DHCP request per second

� ARP inspection

� DHCP option82

� Multicast Vlan

� VLAN &QinQ

� PVLAN

� Rate –limiting based on port

� Rate –limiting based on port

� Aggregation SW

� Selective QinQ

� IGMP proxy

� IGMP snooping & limitation of

the # of IGMP request per

second

� IGMP fast leave

� DHCP snooping

� ARP inspection

� SR

� DHCP relay

� PIM –SM /DM

Contents









� Suggestion for EVN IPTV Bearer Network

� ZTE IP Product


Numbers about ZTE IP Product Line

� 5 research centers in Shenzhen, Beijing, Nanjing, Chongqing and New

Jersey U.S.

� Widely used by more than 140 carriers in over 40 countries

� More than 2000 engineers in IP Product Line

� Millions of equipments are currently used around the globe


ZTE ZXR10 Routers& Switches

Ag

gre

ga

tio

nA

cc

ess

ZXUAS 10600/10800EZXR10 T600/T1200ZXR10 GER Series

ZXR10 G Series ZXR10 8900 Series ZXR10 5900/5200 Series ZXR10 3900/3200 Series

ZXR10 T64E/T128

ZXR10 2900 Series ZXR10 5100/5000 SeriesZXR10 2600 Series ZXR10 2800 Series

ZXR10 3906/3206ZXR10 3952/3252ZXR10 3928/3228ZXR10 3226-FIZXR10 3226

ZXR10 5952/5252ZXR10 5928/5228ZXR10 5928-FI/5228-FI

ZXR10 5224

ZXR10 T240GZXR10 T160GZXR10 T64GZXR10 T40G

ZXR10 8912ZXR10 8908ZXR10 8905

ZXR10 2952ZXR10 2928ZXR10 2920ZXR10 2936-FI

ZXR10 5124ZXR10 5124-FI

ZXR10 5116ZXR10 5116-FIZXR10 5009

ZXR10 2852SZXR10 2826SZXR10 2818SZXR10 2826AZXR10 2609

ZXR10 2609-FU

ZXR10 GER08ZXR10 GER04ZXR10 GER02

Access Ethernet Switches

Intelligent Ethernet Switches

IP/M

PL

S E

dg

e/C

ore

L3 Intelligent Routing Switches10G MPLS Routing Switches Carrier Ethernet Switches

General Excellent RouterCarrier High-end Router

Universal Access

Server BRAS


ZTE IP Customers & Partners

Congo

Kenya

Romania

Thailand Philippines

Greece

Zambia

Tajikistan

Pakistan

India

Indonesia

Hong KongBangladesh

Nigeria

Russia

Saudi Arabia

Malawi

Uzbekistan

Kuwait Korea

Poland

Morocco

EritreaNiger

Kazakhstan

Panama

Ecuador

Columbia

Mongolia

GhanaVenezuela

Portugal

France

USA

Brazil

Australia

Malaysia

Vietnam

China

Iran

Sudan

Ethiopia

Thank You!

IPTV Bearer Network Solution

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Transcript of IPTV Bearer Network Solution