Video Conferencing Experiences with UltraGrid:

Video Conferencing Experiences with UltraGrid: A High Definition Video Conferencing and Distribution System Ladan Gharai ....……University of Southern California/ISI Colin Perkins .........................…….. University of Glasgow

Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The UltraGrid System ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The UltraGrid System ,[object Object],[object Object],[object Object],LDK-6000 SONY HDC-X300 IP Network SMPTE 292M RTP/UDP/IP 1.485 Gbps RTP/UDP/IP UltraGrid node UltraGrid node UltraGrid node UltraGrid node

UltraGrid: Architectural Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],decoder encoder display grabber Playout buffer Packetization Transport + Congestion Control rat UltraGrid Node

UltraGrid: Architectural Overview Display HDTV/DV camera Frame Grabber Grabber thread Transmit thread Video Codec RTP Framing Congestion Control RTP Sender Send buffer Network RTP Receiver RTCP Playout buffer RTP Framing Video Codec Colour Conversion Display Receive thread Display thread

AccessGrid Integration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Video Packetization and IP Transport ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

UltraGrid Nodes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Centaurus vs. HDstation Card ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Total Cost ,[object Object],[object Object],[object Object],[object Object],[object Object],PC system …………………………….……………… $5500 Centaurus Card……………………………………………… $ 9,000 Single-link HD/SD PCI-X board Centaurus-Audio08 …………………………………………. $ 1,000 10 GigE NIC ….………………………………………….$2500 Total cost $18000

Cameras and Displays ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Performance Testing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Lab Tests Centaurus 10 GigE UltraGrid Sender UltraGrid Receiver LDK-6000 PDP-502MX 1.485 Gbps RTP/UDP/IP SMPTE 292M SMPTE 292M ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Centaurus 10 GigE

Local Area Tests ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

UltraGrid over DRAGON Network ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],HOPI / NLR CLPK ARLG MCLN MIT Haystack Observatory (HAYS) UMD MAX Goddard Space Flight Center GSFC) National Computational Science Alliance (NCSA) ACCESS USC/ISI East DCNE DCNE ATDNet Optical switching element Optical edge device DRAGON

Wide Area Tests ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Wide Area Tests UG sender UG receiver UG sender UG receiver Los Angeles 10 Gbs Ethernet SC 2005 Seattle, WA Chicago Houston ISI-East Arlington, VA OC192 SONET/SDH LDK 6000 AJ-HDC27F

Wide Area Tests: Performance Results ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Inter-packet Intervals: HOPI ,[object Object],Sender IPI - 10 Gbps NIC Receiver IPI - Internet2 HOPI path

Inter-packet Intervals: Best effort IP ,[object Object],Sender IPI - 1 Gbps NIC Receiver IPI - Internet2 best effort path

Groups using UltraGrid ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Further Information… ,[object Object],[object Object],[object Object],[object Object],DRAGON

Video Conferencing Experiences with UltraGrid:

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