Video over IP

1
Video over IP

• Tony Johnston
• Cable Wireless Optus
• Principal Consultant
• Data Business Services

2
Agenda

• Evolution of Video over IP
• IP Data Transport Options
• Network QoS Requirements
• Video over IP services trialed by Optus
• Future Developments

3
Evolution of Video over IP
Normal Technical Adoption Curve
Market Share
Time
Early Adoption
Mainstream Adoption
Mature Market
4
IP Data Transport Options

• Core Technology - (covered by Allan)
• Access (Tail) technology
• ISDN xDSL
• Frame Relay ATM
• Gig Ethernet
• etc
• Lots of Options now available

5
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
6
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.

7
Video IP Equipment used
GVT supplied PictureTel 900 Videoconference
system PictureTel 600 Videoconference system.
PictureTel 330 Multiconference Unit
(H.323) InnoMedia IP VideoPhone (2)
8
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.

9
Optus, Sydney
Optus MDC Melbourne
ADSL Modem
Optus, Melbourne
Video-conference Bridge
ADSL Modem
NetAccess ADSL 2 Mb/256K
5Mb PVC(Internet)
NetAccess ADSL 2 Mb/256K
CW Optus Internet
NetAccess ADSL 1 Mb/256K
NetAccess ADSL 1 Mb/256K
ADSL Modem
ADSL Modem
GVT, Melbourne
GVT, Sydney
10
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

11
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.

12
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.

13
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.