1. Video Technologies Overview for ISC May 5, 2004 Kent Percival Manager, CCS Development

2. 2004 05 05 Video Technologies (for ISC) 2 Video Technologies Agenda  Multimedia – the new? Medium  Video Conferencing Overview; Who’s doing what?Overview; Who’s doing what? Common InfrastructureCommon Infrastructure  Video Streaming Overview; Who’s doing what?Overview; Who’s doing what? Common InfrastructureCommon Infrastructure  Institutional Direction Setting

3. Multimedia Communication The new? medium for Collaboration,Learning

4. Video Conferencing “ VC ” “Video Telephone” for collaborators, teachers ??

5. 2004 05 05 Video Technologies (for ISC) 5 VC Technology  Real-time, two-way, audio and video “video telephone”“video telephone” Small group collaborationSmall group collaboration  Maturing technology Around for 15+ years - from broadcast TV Around for 15+ years - from broadcast TV Historically expensive Historically expensive Limited general use; only long distance applicationLimited general use; only long distance application … the internet is changing this rapidly!

6. 2004 05 05 Video Technologies (for ISC) 6 VC History  Closed Broadcast TV – special circuits  Telephone links – low quality  H.320 - video over Digital phone lines Dedicated circuits (bandwidth) Dedicated circuits (bandwidth) ISDN Access: x6 lines (768Kbps) ~$350/mo ISDN Access: x6 lines (768Kbps) ~$350/mo User pays for long distance time User pays for long distance time

7. 2004 05 05 Video Technologies (for ISC) 7 VC & the internet  H.323 - video over packet (IP) networks Limitations: Limitations: Packetization overhead – delaysPacketization overhead – delays “available” bandwidth – quality impact if congested“available” bandwidth – quality impact if congested Advantages Advantages Ubiquitous(?) connectivityUbiquitous(?) connectivity Cost: … just part of the data trafficCost: … just part of the data traffic Supported by all commercial VC product

8. 2004 05 05 Video Technologies (for ISC) 8 VC Applications High Quality  Appliance System Polycom; Tandberg Polycom; Tandberg  Room installation - costs  Small/medium groups  Quality Required Higher Resolution Higher Resolution Faster Action Faster Action Near TV quality Near TV quality  Higher QOS on network New high res apps e.g. view into lab (OR) … Low Cost  PC-based Windows Messenger  Office location - no cost!  Single Participant per end  Accept less quality Low resolution  Low bandwidth.. But cameras and network bandwidth are improving

9. 2004 05 05 Video Technologies (for ISC) 9 Who’s using VC?  Room-based: GWPC - main Link; mini Link GWPC - main Link; mini Link Day Hall – multi purpose room Day Hall – multi purpose room Rosanski Classroom (102?) Rosanski Classroom (102?) OVC Learning Commons ( w/ Sask; UQAM; UPEI) OVC Learning Commons ( w/ Sask; UQAM; UPEI) Planned Planned R & D: MaRS Landing; OVC Research CollaborationR & D: MaRS Landing; OVC Research Collaboration Teaching:Teaching: OAC Dean’s Office OAC Dean’s Office Remote Colleges; affiliations: Lakehead, Beunos AriesRemote Colleges; affiliations: Lakehead, Beunos Aries Guelph-Humber Guelph-Humber  Office-based: ? ? ? ? ? ? ? ?

10. 2004 05 05 Video Technologies (for ISC) 10 VC – Multipoint Control Unit Accepts 4 site images - Determines which to broadcast H.320 to ISDN Phone lines

11. 2004 05 05 Video Technologies (for ISC) 11 VC - Directory How to set up a VC communication???  VC from a PC – hundreds of users!  Directory services infrastructure Security, manageability, integration issues Security, manageability, integration issues H.245 directory for communication endpoints H.245 directory for communication endpoints Person Phone FAX PC w/ VC PC w/ IM … Campus Directory

12. 2004 05 05 Video Technologies (for ISC) 12 VC : Common Infrastructure  Multipoint Control Unit server  Access control; Security  Directory  Integration New Phone Service (H.320 / H.323 / SIP …) New Phone Service (H.320 / H.323 / SIP …) Desktop solutions - the right toolbox Desktop solutions - the right toolbox Smart Classroom Technology Smart Classroom Technology

13. Video Streaming “ VS ” TV on the internet ? ? ? ?

14. 2004 05 05 Video Technologies (for ISC) 14 VS Technology One-way delivery of stored video content Not file transfer - displayed as it is being delivered Not file transfer - displayed as it is being delivered  Delivery On-demand Server  one user On-demand Server  one user Scheduled Broadcast Server  many users Scheduled Broadcast Server  many users  Integration Standalone Streaming Servers Standalone Streaming Servers Integration with eLearning, Portal, Collaboration tools Integration with eLearning, Portal, Collaboration tools

15. 2004 05 05 Video Technologies (for ISC) 15 VS Technology Non-real-time allows more processing  Higher compression better quality at lower bandwidthbetter quality at lower bandwidth  Planned Production Scripting; editing; multiple sourcesScripting; editing; multiple sources  Integrated application delivery Linked with other content on web sitesLinked with other content on web sites Managed w/ Content Management and eLearning systemsManaged w/ Content Management and eLearning systems

16. 2004 05 05 Video Technologies (for ISC) 16 VS Technology  Performance Servers Microsoft Media Server Microsoft Media Server Real Networks Real Networks Cisco IP/TV (used by OVC CANARIE) Cisco IP/TV (used by OVC CANARIE) Capture Server - encoding / compression Capture Server - encoding / compression Delivery Server – high bandwidth Delivery Server – high bandwidth  Integrated clients - included on desktops MS Windows Media Player MS Windows Media Player RealOne Player RealOne Player Apple Quicktime Apple Quicktime

17. 2004 05 05 Video Technologies (for ISC) 17 Who’s using Video Streaming  OVC TeleVetMedicine (w/ LifeLearn) w/ other vet colleges; professional education w/ other vet colleges; professional education  Open Learning - Distance Education  Canadian Shakespeare Adaptations Project (CASP) Proposed  OAC Regional Colleges; Forestry program: Guelph / LakeheadRegional Colleges; Forestry program: Guelph / Lakehead Crop Science in the winterCrop Science in the winter Guest Lecture EventsGuest Lecture Events  SharcNet High technology training for graduate studentsHigh technology training for graduate students  Broadcast/ reBroadcast University Events ConvocationConvocation

18. 2004 05 05 Video Technologies (for ISC) 18 VS - Storage and Bandwidth  Assume 1 Mbps video stream Course (35 lectures of 50 min): ~100 GB Course (35 lectures of 50 min): ~100 GB Edit, add additional resources: ~ 50 GB Edit, add additional resources: ~ 50 GB Need content management, cataloguing, …Need content management, cataloguing, … Institutional Repository for sharingInstitutional Repository for sharing  Assume 50 concurrent viewers On-demand – different streams: 50 Mbps On-demand – different streams: 50 Mbps Broadcast over multicast network: 2 Mbps Broadcast over multicast network: 2 Mbps

19. 2004 05 05 Video Technologies (for ISC) 19 VS - Content Management  Many, many files needs meta-data for information management and searchable access needs meta-data for information management and searchable access Hierachical storage Hierachical storage long term protected storage – archiveslong term protected storage – archives Revision controlRevision control  Intellectual Property (IP) Rights Access control; access record Access control; access record  Integration with application e. g. eLearning; portals e. g. eLearning; portals

20. 2004 05 05 Video Technologies (for ISC) 20 VS: Common Infrastructure  Content Management Not multiple small systems by others? Not multiple small systems by others? Integration with applications: portal, elearning Integration with applications: portal, elearning  Storage Systems / Content Management High performance content delivery High performance content delivery Long term archive service Long term archive service  Performance Servers  Network Services QOS; Multicast; delivery to colleges; QOS; Multicast; delivery to colleges;

21. 2004 05 05 Video Technologies (for ISC) 21 Other Multimedia Apps  DICOM Digital Imaging and Communication in MedicineDigital Imaging and Communication in Medicine  PACS Picture Archiving and Communications SystemPicture Archiving and Communications System VTH Radiology Xray, ultrasound, CTXray, ultrasound, CT Resource for Vet Colleges portal & eLearningResource for Vet Colleges portal & eLearning

22. 2004 05 05 Video Technologies (for ISC) 22 Institutional Directions ?? Integration  Standards based approach plan for the future plan for the future  Key University Information Systems eLearning; Portal; Smart Classrooms eLearning; Portal; Smart Classrooms Institutional Repository; Storage & Backup systems Institutional Repository; Storage & Backup systems Universal Access – Network; Desktops Universal Access – Network; Desktops

23. 2004 05 05 Video Technologies (for ISC) 23 Institutional Directions ?? Cost Effective Technology Infrastructure  Shared approach  Shared common infrastructure Network, Servers, Directory, Network, Servers, Directory, Storage, Applications Storage, Applications  Shared application development  Efficient central systems management