1. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 1 Real-Time Services on the Internet EURESCOM P913-GI “Socrates” 14 Jan. - 31 Dec. 1999, BT, DT, FT, PT Hans-Detlef Schulz, DT Project Overview

2. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 2 Purpose of SOCRATES Investigate the Limitations of Real-Time over the Internet Give Recommendations on Configurations that are suitable for Real-Time over Best- Effort Internet Give Recommendations on where the Introduction of Bandwidth Provision is necessary Measurements to identify the most suitable Technologies Project Overview

3. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 3 Streaming Applications Audio/Video Streaming Interactivity for VCR Functionality only Server/Client Architecture Audio/Video on Demand or Broadcast Real-Time Applications

4. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 4 Conversational Applications Video-Telephony Conferencing High Interactivity Multiple Streams with different Priorities Point-to-Point or Multi-Point Architecture Real-Time Applications

5. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 5 Applications not considered Internet Shopping Internet Games Internet Fax Point-to-Point IP-Telephony without Video Content Real-Time Applications

6. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 6 Aspects for Consideration of SOCRATES Packet Loss Packet Delay Delay Jitter Varying Throughput End-to-End Bandwidth Subjective Reception Approach

7. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 7 Targets (1) Classification of – Applications and Products – Scenarios – Intended Use Approach

8. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 8 Targets (2) Based on the Classifications Recommendations are given -for which Types of Products, Scenarios, and Usage the Best- Effort Internet is sufficient -how much Bandwidth Control needs to be introduced based on the kind of Technology that is used Approach

9. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 9 Approach From Best Effort.. –Existing Internet –Reception Control at Receiver –Feedback to Sender –Bandwidth Adaptation.. to Bandwidth Control –Intranet and Connection to ISP –Mapping between IP and Network –Different Protocols Approach

10. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 10 Deliverable 1: Road-Map Internet Technology Real-Time Requirements Standards Market Trends Commercial Products Strategies for the Trials Approach

11. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 11 Deliverable 2: Recommendations and Solutions Measurement Technology Classification of Products, Scenarios, and Usage -Either where Best-Effort Internet is sufficient -or where Introduction of Bandwidth Control is required Approach

12. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 12 Deliverable 1: Road-Map Road-Map

13. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 13 Considered Standards IETF –IPv6, RFC 1883 –RTP/RTCP, RFC 1889 –RSVP, RFC 2205-2209 –RTSP, RFC 2326 –SDP, RFC 2327 ITU –T.120 –H.323 Proprietary Solutions e.g. –RealNetwork’s System G2 –Apple QuickTime –MS Advanced Streaming Format (ASF) ISO –MPEG Road-Map

14. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 14 Market Trends Hardware Technologies Software Technologies Politics Company Strategies User Behavior Standardization Bodies Road-Map

15. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 15 Typical Streaming Products RealNetwork’s RealAudio/RealVideo Microsoft Media Technologies Xing Technology StreamWorks VDO Live Apple QuickTime Cisco IP/TV DT Music-on-Demand Oracle iTV (Oracle Video Server) Road-Map

16. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 16 Typical Conversational Products Microsoft NetMeeting WhitePine CU-SeeMe VocalTec Internet Phone VDO Phone NetSpeak WebPhone Intel Internet Video Phone VIC/VAT Road-Map

17. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 17 Templates (e.g. VDOLive) Stream Types : Audio & Video Supported OS –VDOLive Player: Windows 95/98, Windows NT, MacOS –VDOLive Server: Windows NT 4.0, Solaris 2.4 –VDOLive Tools: Windows 95/98, Windows NT, MacOS Codecs –Audio: G.723, G.728, G.711 –Video: H.263, H.261 Min. Bandwidth : 14.4 Kbps Max Bandwidth : 512 Kbps Delivery Methods : UDP, HTTP Firewall Support : Yes Road-Map Client Features –Standalone Player –Browser Plug-In –ActiveX Control Stream Feeds –From Server stored Files –Broadcast Live Streams –Direct-to-Disk Streaming Compliance with Standards –IP Level: IETF’s UDP and HTTP –Codec Level: G.723, G.728, G.711, H.263, H.261 Price –VDO Player: free –VDO Server: US$ (2000-3000) –VDO Tools: included with VDO Server

18. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 18 Streaming Bandwidth Requirements 2048028.856128512 RealNetwork MS Media & NetShow Xing StreamWorks Apple QuickTime Cisco IP/TV DT MoD Oracle iTV Kbps Road-Map VDOLive

19. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 19 Conversational Bandwidth Requirements 2048028.856128512 MS NetMeeting WhitePine CU-SeeMe VocalTec IPhone VDOPhone VIC/VAT NetSpeak WebPhone Road-Map Kbps Intel Internet Video Phone

20. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 20 Considered Products Streaming Products –RealNetwork’s RealVideo –Microsoft Media Technologies –Cisco IP/TV –DT Music-on-Demand Conversational Products –Microsoft NetMeeting –WhitePine CU-SeeMe –VIC/VAT –One hardware-oriented Product Road-Map

21. AIMS’99 Workshop Heidelberg, 11-12 May 1999 Slide 21 Road-Map for Current Real-Time Services over the Internet Positive Feedback Consideration for Publication Available in the Project FTP Space /~projects-workspace/P900-series/P913/Deliverables/D1 Road-Map