Audience
This course provides detailed training on the standards and protocols used for video conferencing in IP networks and is suitable for staff who have networking or video conferencing experience and wish to design systems and fault find in detail.
Prerequisites
Delegates should have a reasonable knowledge of IP networks.
Duration
2 days. Hands on.
Course Objectives
At the end of this course delegates should be able to design video conference systems allowing for their impact on networks, handling firewalls and ensuring a good experience for users of the system. Delegates will also be able to fault find in detail.
Course Content
Network Basics
Packet Switching
Circuit Switching
OSI 7-Layer Model
Standards
H.320, H.323, SIP
Protocols and how they Behave with Video Traffic
IP, TCP, UDP, RTP, RTCP
Quality of Service
IP Precedence, RSVP, DiffServ
Alternative Networks
MPLS
ADSL
Video Specific Standards
Audio Standards
Video Standards
Data Sharing Standards
Control Standards
Bandwidth Control
Multipoint Conference Types
LAN Considerations
Gatekeepers/SIP servers
Gatekeeper standards and location
Traffic load calculations
Segments and Zones
LAN Issues
Jitter
Delay
Packet ordering
Packet loss
Devices and the Effects on Video Traffic
Gateway, MCU
Hub, Switches, Routers and Bridges
Firewalls, NAT's, Directory servers
Network Infrastructure
Network Design & Sizing
Location of devices
Bandwidth calculations
Existing traffic levels
Operating modes
Actual verses calculated speeds
Implementation strategy