Video conferencing over IP course description
A current hot topic in recent years has been the provision of multimedia services over IP networks - triple play. This course investigates the characteristics of video transmission and then studies the impact on IP networks.
What will you learn
Describe the issues of video and data convergence.
Describe techniques, which can be used in IP to provide low uniform delay.
Evaluate video technologies.
Design data networks, which will support video..
Video conferencing over IP course details
Who will benefit:
Technical staff.
Prerequisites:
TCP/IP fundamentals
Intro to data communications & networking
Duration
3 days
Video conferencing over IP course contents
Review
Traditional video, digital video, video formats, MPEG, brief review of IP, Uses of video: downloading, streaming, TV, CCTV, conferencing.
Video over IP issues
Delivery methods: FTTH, ADSL, VDSL, 3G and others. Bandwidth, delay, jitter, signalling. Digitising video, CODECS, packetising video, comparison of techniques.
IP performance and QOS
IP TOS field, queuing strategies; FIFO, WFQ, custom, priority, RED. Differentiated services, diffserv.
Video over IP protocol stack
RTP, RTCP, mixers and translators, RSVP. IPv6.
Conferencing
Traditional solutions, Video conferencing over IP, point to point, multipoint, architectures, bridges.
IETF - Session Initiation Protocol
Comparison with H.323, SIP proxy, proxy server, redirect server. SDP.
Multicasting
Multicasting compared to unicasting and broadcasting, when to use and when not to use multicasting. IGMP, DVMRP, PIM.
Security
Impact of firewalls and NAT, ISMA, DRM, DTCP.