Sideseadmed,probleemid ja lahendused (4)

Avo Ots

27. märts 2006

Network Infrastructure

UsersUsers

WANWAN

RoutersRoutersSwitchesSwitches

HubsHubs

UsersUsers UsersUsers UsersUsers

LANLAN LANLAN LANLAN LANLAN

Onsite Technician

Application Traffic

PSTN

Internet

Voice Profile

Multicast Video Profile

VOD Profile

STB / Middleware Profile

OAM Profile

Gaming Profile

Web Browsing Profile Web Browsing Profile

Misc. Data Profile

Set-top Box

Set-top Box

Set-top Box

Video Headend

Game Server

HTTP Proxy

802.11 in-home wireless LAN

EMS

11

11

22

22

22

44

55

88

The Triple Play NetworkVideo

Head End

RemoteTerminal

RT

RT

CO

EAPS

Gigabit Ethernet

18 Kft

ADSL2+ & POTS

Bonded ADSL2+

Softswitch

Media &Application

Servers

IP Core Network

ADSL2+

ADSL2+ / POTSClass Class

5 5 SwitchSwitch

1U DSLAMs & BLCs• ADSL2+, Bonded

ADSL2+• ADSL2+ & POTS

“Combo”• Hardened• Pole-mount and cabinet

options

Internet

PSTN

Broadband Loop Carriers (BLCs)• ADSL2+, Bonded ADSL2+• Analog and Digital POTS services• Non-blocking Video Architecture

CPE• ADSL2

+• Bonded

ADSL2+

• ADSL2+ w/WiFi

• Res. IAD

• Biz. IAD

• TAs

1U IP/GR-303 Gateway

1U VoIP Gateways• IP-GR303 using MGCP• Dual interface groups• 8 T1s

Building One Access Network

BroadbandLoop

Carrier

Class 5 Class 5 SwitchSwitch

Video Head End

VoiceGateway

Softswitch

Internet

PSTN

WAN

RemoteTerminal

Business-ClassIP Voice & Data

Packetized E1,Frame Relay orMetro Ethernet

VoIP

Consumer Broadband Bundles: VoIP, Telco TV & Internet

Management

In-Home Solutions for Voice, Video

ADSL Performance (24AWG Wire)

More Video ChannelsMore Video Channels

Minimal Change to Video Service Area

ADSL Down

S=1/2 Down

ADSL2 Down

ADSL2+ Down

28000

26000

24000

22000

20000

18000

16000

14000

12000

10000

8000

6000

4000

2000

00 5000 10000 15000 20000 25000

Lin

e R

a te

(kb

/s)

Loop Length (ft)

Network

Management Systems/Integration/Middleware

Access HomeDigital Headend

LocalOff-air

Optical Ethernet Ring

Distribution

TUT Video Head End

BitBandVoD Server

Myrio Middleware Server

LuminousResilient Packet Ring

(RPR) Add/Drop Muxes

Extreme Summit

GigE Switch Digital STBs:

Aminoi3 Micro

Thompson

Paradyne BLC 8000 Paradyne

CPE

6000’ 24AWG25pair Cable

CiscoCatalystRouter

Paradyne Ethernet Protection Switching

MetaSwitchSoftswitch

POTS phones

Paradyne BLC 12000

Preventative Management

Management method and Cost

Network

Hardware

Applications

Network Management Organisation

Analüüsitav setup

http://www.lr.ttu.ee/~avots/WiMAX_Overview_and_Performance.pdf