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액세스그리드 구축 활용 및 동향

제 10 회 정보통신응용기술워크숍. 액세스그리드 구축 활용 및 동향. Jeonghoon Moon jhmoon@kisti.re.kr 2005. 4. 13(Wed) Supercomputing Center. Access Grid Goals and History. The Access Grid. Access Grid does for people what the computational Grid does for machines

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액세스그리드 구축 활용 및 동향

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  1. 제 10회 정보통신응용기술워크숍 액세스그리드 구축 활용 및 동향 Jeonghoon Moon jhmoon@kisti.re.kr 2005. 4. 13(Wed) Supercomputing Center

  2. Access Grid Goals and History

  3. The Access Grid • Access Grid does for people what the computational Grid does for machines • To enable groups of people to interact with Grid resources and to use the Grid technology to support group to group collaboration at a distance • Distributed Lectures and seminars • Remote participation in panel discussions • Virtual site visits meetings • Complex distributed Grid based demonstrations

  4. Components of an AG Node RGB Video Digital Video DisplayComputer Digital Video NETWORK Video CaptureComputer NTSC Video AudioCaptureComputer Analog Audio Digital Audio Control Computer EchoCanceller Mixer Configuration of Access Grid Presenter mic Presenter camera Ambient mic (tabletop) Audience camera Requires Multicast

  5. AG reference platform • Advanced Node – Tiled Display, Multiple Video Streams, Localized Audio • Room Node – Shared Display, Multiple Video Streams, Single Audio Stream • Desktop Node – Desktop Monitor, Multiple Video Streams, Single Audio Stream • Movable Node – AG in a Box (Mini node) • Laptop Node – Laptop Display, Single Video Stream, Single Audio Stream • Minimal Node – Compact Display, Single Video Stream, Single Audio Stream

  6. AG @ ANL AG Team

  7. ANL’s Tiled Display: ActiveMural

  8. AG @ KISTI

  9. KISTI’s Tiled Display

  10. AG @ UIC EVL

  11. History and Growth • Since 1999, lead by ANL AG Team and AG Community Worldwide

  12. AG-Korea.net KIST SOU SNU KMA KNU KISTI KBSI CNU PKNU GIST • About 30 Countries, over 300 AG nodes all over the world (as of Mar. 2005) International AG Community

  13. Access Grid Projects - Goals • Enable group-to-group interactions at a distance • Connect the people and teams of the Alliance and beyond • Improve the user experience • Provide an increased sense of presence • Support natural human and instrument interaction • Eliminate the boundaries of the monitor and the location • Enable complex multi-site visual and collaborative experiences • Integrate with high-end visualization environments • ActiveMural, Powerwall, CAVE Family, Flatland, Workbenches • Build on integrated Grid services architecture • Develop new tools specifically to support group collaboration • Use quality but affordable digital IP based audio/video • Leverage Open Source IP tools • Build from desktop to cave - high quality experiences

  14. Access Grid Research Trends

  15. AG extended toward ACE • Access Grid Retreat • Computer Supported Cooperative Work (CSCW) ACM Conference • Workshop on Advanced Collaboration Environments (WACE) • ACE WGof GGF Immersive Media Supported Advanced Collaboration Environment Advanced Collaboration Environment Access Grid 2.0 Access Grid

  16. AG Research Directions

  17. Application Deployment CLMC: Wall covered with streaming videos broadcast from other AG nodes

  18. AGTk Future Road Map

  19. Research Activities Layout based on the Context (AGPager) • Improved Media Tools • AGPager (FL/ANL) • Manual manipulation by a user • Automatic manipulation under an action rule • Video Presence (ANU) • Site tiles according video sources or different constraints • 3D Audio localization • Site tile highlighting • High Quality Video Service (GIST/Korea) • Extended Video (3D, DV, HDV) service • Monitoring service • Shared Application • Several Application included in AGTk • Shared Browser • Shared Presentation Viewer • Question and Answer Tool (FL/ANL) Video Presence

  20. Conference XP Client Research Activities • AGTk like Toolkit • Conference XP (Microsoft Research) • Collaboration, conferencing, visualization • Point-point unicast solution integrated with windows Messenger • Interoperability with AG • inSORS AG (inSORS) • Production ready software • New interfaces • Solutions for the bandwidth challenged • Interoperability with AG2 • For Enterprise Manager at INRA(USA), AGSC(UK), etc. Sample research appls. Built on CXP

  21. Research Activities • Virtual Environments (Applications) over AG • Collaborative VR • Shared database • Synchronized Visualization • Avartar representative • Synchronized interaction • Related work • Augmentations to the AG(2000) • AGAVE(2001)Geowall • Gallery on the Grid – TeraVision(2002) • SWoF : Scientific Workspaces of the Future (2003) • Collaborative Virtual Design in Engineering (2003) • Application Steering in a Collaborative Environment (2003) • VR Node Service (2004)

  22. Research Activities • SWOF • Mission : Deploy advanced collaborative workspaces to support teams of scientists • AG systems – Advanced visualization services • Large scale displays – New collaborative tools

  23. Research Activities Office of the future • SWOF • Goals • Use advanced computer mediated communications techniques to enhance work environments to enable increased productivity for collaborative work • Exploit the use of high-performance computing technologies (digital media, advance networking, VR, visualization, etc.) to improve the effectiveness of large-scale collaborative work environment • Show that network based advanced collaboration technology can create enhanced groupwork productivity benefits Scientific Workspaces of the Future

  24. Research Activities • SWOF • Strategy • deploy collaborative Virtual Venues, Nodes • Virtual Computational Molecular Biology Lab. • Virtual Atmospheric Modeling and Simulation Lab. • Provide Enhanced Access Grid Virtual Venue Services • Develop and deploy Visualization Services • Integrate Advanced Display • Develop and Deploy Tools

  25. Research Activities • Advanced Biomedical Collaboration Testbed • Synchronous participation among biomedical professionals in complex environments(at distributed locations) • Key area of focus: Convergence of visualization and networking technologies in biomedicine • Advanced biomedical tele-collaboration combines • Grid computation • Mobile computing platforms • Compelling scientific visualization • Applications that permit collaborators to see each other in real time (AG) • Remote control/distributed computing • Computer-in-the-loop instrumentation • Colleague-in-the-loop instrumentation

  26. Research Activities Digital Imaging and Communications in Medicine • Advanced Biomedical Collaboration Testbed • ABC Concept Diagram Immersive Hepatic Surgery Educational Environment

  27. Research Activities • Advanced Biomedical Collaboration Testbed • Distributed Medical Visualization: Framework Diagram • AG Medical Visualization Features Implemented • Persistent Server-Client Tele-Presence • Transparency – Translate, Rotate, Scale • Segmentation – Region of Interest • Arbitrary Clipping Plane

  28. Access Grid Domestic AG Activities

  29. Korea Grid (K*Grid) project GGF Grid APAN APGrid Euro APGrid ANL/NCSA APEC APGrid K*Grid KISTI(2002~2006) Grid Tech-center GNOC National Grid Infra Grid Standard Grid Middleware Research GFK N BT Grid N Supercmpt Grid Security N NT Grid N Clusters Grid Resource Mngt. N CT Grid Data Mngt. N Appls. Grid N ET Grid Inf. Service Access Grid N IT Grid VR Grid N ST Grid

  30. Contents • 액세스그리드 구축 고도화 • 국내 AG 인프라 구축 확장 • KISTI AG 인프라 고도화 • 액세스그리드 커뮤니티 기술 제공 서비스 • 국내 AG 커뮤니티 구축기술 지원 • 국내 AG 활용 활성화 • 액세스그리드 성능향상 기술 연구 • 고화질 영상 전송 기술 개발(GIST + KISTI) • 멀티캐스트 모니터링 시스템 개발(KISTI)

  31. Advancement of AG Infrastructure • KISTI AG 인프라 고도화 • 향상된 AG 구축을 통한 안정된 AG 운영과 기술축적 • Venue Server & Bridge Server 등 각종 지원서버의 안정적 운영과 서비스 지원 강화 • 국내외 연구소 및 대학들에 대한 지원 • AG 인프라 고도화 • AGTk(Ver2.3) 설치 운영 및 안정화 • Venue, Bridge Server 등의 안정화 및 기능 강화 • 3D, DV, HDV 영상전송 시스템 안정화 및 적용 확대

  32. AG-Korea.net KIST SOU SNU KMA KNU KISTI KBSI CNU PKNU GIST Extension of AG Infrastructure • 국내 AG 인프라 확장 • 국내 AG 인프라 구축 확장 • 주요 대학과 연구기관 중심 20여 노드 구축 운영 • 2004년 룸노드 설치 : KBSI, 서울시립대, 광주과기원 • 보급형 이동형 AG (ver 3.0) 설계 제작 Movable AG 2.0

  33. Support services for AG-Korea Community • AG 관련 서버 서비스 • Venue Server : vv2.accessgrid.or.kr 서비스 • Bridge Server : bridge.accessgrid.or.kr 서비스 • 주요 서비스 • 국제협업연구 지원 미국,일본,호주,싱가폴,대만 등 • 국내협업연구 지원 KISTI, 성균관대, 서울대, 부경대 외 국내 연구기관 및 대학 • 국제 컨퍼런스 원격지 참여 지원 SuperComputing Conference(SC), Global Grid Forum(GGF), Virtual Bioinformatioc Conference, 외 다수 • 국내 컨퍼런스, 워크숍, 세미나, 교육 Global Forum Korea(GFK), GFKWorking Group Workshop, Medical Science Workshop, 외 다수 • 홈페이지/메일링리스트를 통한 기술 및 정보 서비스 • www.accessgrid.or.kr • AG 관련정보 제공, AG 구축 및 기술상담, 문서 제공서비스 • AG 국내 메일링리스트 서비스: ag-korea@kreonet2.net

  34. Collaboration with AG Research Group • 국제 연구활동(시연) • GIST, KISTI, Ryerson 대학(캐) 간 연구결과 시연 • High Quality Video Stream Transmission Showcase • AG retreat meeting • 기술지원(상담, 방문 등) • 기술상담 • AG 구축과 운영기술 문의 : KBSI, KT, 부산대, 서울시립대, 성균관대 등 • 방문 • 과기부, 정통부, 공공기술이사회, 전남대, 의사협회, KT, 기자협회 등 • 이메일 문의 • 네트워크 구성, AG 설치 운영, PIG 설치 활용, AG 인증, 공유어플리케이션 활용 KBSI 룸노드 구축 및 활용(테스트) (시드니대학(호)-KBSI)

  35. Research Activities • Extended Video Services & Monitoring Service

  36. Research Activities • Comparison of HDV, DV, VIC

  37. Research Activities • MEET (Multicast debugging toolkit with E2E packet Trace) 시스템 개발 • 연구목적 • 모니터링 도구의 개발을 통해 멀티캐스트 네트워크 안정화에 기여 • AG 및 고화질 영상 전송 서비스의 고도화에 간접적 기여 • 필요성 • AG 활성화 • 멀티캐스트 네트워크의 불안정성 극복이 최우선 과제 • 미디어 품질 저하 및 전송 단절 • 응용 계층에서 세션 모니터링이 필요 • 고화질 영상 전송 및 관련 응용 활성화 • 가용 대역폭의 확보 여부의 파악 • 네트워크 품질 정보의 파악 • 멀티캐스트 결함 및 세션 상태 파악을 위한 관리/감독이 필요

  38. Research Activities • MEET 시스템 개발 • 연구내용 Active Measurement •라우팅 경로 정보 획득 •네트워크 계층의 품질 정보 획득 •종단 라우터의 멀티캐스트 지원여부 파악  멀티캐스트 진단 Passive Measurement •응용 계층의 품질 정보 획득 (패킷 손실, 지연 변이 등)  품질 모니터링

  39. Research Activities • MEET 시스템 개발 • 구현내용 멀티캐스트 지원 여부 파악 기능 Session 청취 기능 초기화면 및 도움말 기능 멀티캐스트 네트워크 도시화 기능 종단 및 세션 품질 모니터링 기능

  40. Access Grid Concluding Remarks

  41. www.agsc.ja.net Access Grid Support Centre (U.K) (+ R&D on AG Technologies)

  42. Concluding Remarks • Targets for Advanced AG Capability • Fusion Collaboratory (DOE) • Advanced Photon Source Collaborative Access Teeam (DOE, NSF) • Cancer Bioinformatics Grid (NIH) • National Microbial Pathogen Data Center (NIH) • Center for Learning and Multimodal Communication (NSF) • Advanced Biomedical Consortium (NIH) • International Systems Biology Grid (DOE, NSF, NIH, EU) • Deployable Field Stations(NSF, DOE, others) • Microbial Ecology • Environmental Imaging • Archeology and paleonotology

  43. Concluding Remarks • Where are We Heading • Integration of instruments and imaging devices • Sensors, scanners, microscopes, and rangefinders, etc. • Integration of advanced visualization capabilities • Stereo, very high resolution and immersive display, etc. • Improved video and audio capabilities • HD video, multi-channel studio quality audio • Rich suite of groupware plug-ins • To do lists, workflows, voting tools, agenda tools, etc. • Collection of innovative collaborative applications • Steering and visualization, web tools, portals

  44. Q&A 감사합니다 For more information jhmoon@kisti.re.kr, 042-869-0578 www.accessgrid.or.kr

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