Video over IP

Tony Johnston

Cable & Wireless Optus Principal Consultant

Data & Business Services

Agenda• Evolution of Video over IP

• IP Data Transport Options

• Network QoS Requirements

• Video over IP services trialed by Optus

• Future Developments

Evolution of Video over IP

Early Adoption

Mainstream Adoption

Mature Market

We are Here!

Normal Technical Adoption Curve

Time

% Market Share

IP Data Transport Options

– Core Technology - (covered by Allan)

– Access (Tail) technologyISDN xDSL

Frame RelayATM

Gig Ethernet

etc…

– Lots of Options now available

Network QoS Requirements

– Packet loss– Network Delay– Priority for Real Time data.

Same issues as Voice over IP

Unlimited bandwidth is not the only Solution

Video over IP Tests

• Aim– As a carrier to understand the

limitations and issues over core networks and platforms.

– to compare Internet based services performance to ISDN based services.

Video IP Equipment used

• GVT supplied

– PictureTel 900 Videoconference system– PictureTel 600 Videoconference

system.– PictureTel 330 Multiconference Unit

(H.323)– InnoMedia IP VideoPhone (2)

Carrier Services utilised

– Internet Services (Optus ADSL). • 2 Melbourne locations• 2 Sydney locations

– IP Datacentre with High speed connection to Internet. (Fibre)

– Residential Internet services – Optus Cable modem

– Telstra ADSL.

C&W Optus Internet

GVT, Melbourne GVT, Sydney

Cisco Systems

AGS +

Video-conferenceBridge

5MbPVC(Internet)

NetAccess ADSL2 Mb/256K

Optus MDC Melbourne

NetAccess ADSL 2 Mb/256K

NetAccess ADSL 1 Mb/256K

NetAccess ADSL 1 Mb/256K

ADSL Modem

ADSL Modem

ADSL Modem

ADSL Modem

SiSi

Optus, Sydney

Optus, Melbourne

Optus@home

Cable Modem

Bigpond ADSL

ADSL Modem

Point to Point Tests• Optus ADSL connected V/C units gave best

performance at 128K throughput settings. » Capable at 256K but higher loss ratio

» Included Netmeeting & IP Videophones

• Residential Internet services – Optus Cable modem

» PictureTel 900 - 128K quality

– Telstra ADSL.

» NetMeeting - 64K Quality

Multipoint Tests• Videoconference Bridge connected and

worked with all V/C units. – PictureTel 900 & 600 Videoconference systems,

Optus ADSL and Cable modem– IP Video phone over Optus ADSL– Netmeeting over Otpus ADSL

– Note: Telstra ADSL NetMeeting connection not tested in Mulituser session.

• Best performance at 128K throughput settings.

Future Developments

• All new Videoconference products are supporting functional IP based services.

• Carriers to consider implementing a Public Video IP network and ISDN Gateway links.

Summary• Latest versions of Videoconference devices are reliable

and functional for IP.

• Dedicated IP-VPN networks provide required QOS for a Video over IP Service

• Internet services work, but are not yet of reliable QOS for commercial usage.

• Future Plans for carriers may include a Video over IP Public IP-VPN and Gateway services.