1. Lucas Taylor LHC Grid Fest CERN 3 rd Oct Collaborating at a distance 1 Collaborating at a Distance Lucas Taylor ▪ LHC Grid Fest ▪ 3 Oct 2008 ▪ CERN

2. Lucas Taylor LHC Grid Fest CERN 3 rd Oct Collaborating at a distance 2 On-demand documents  Web invented at CERN On-demand Computer storage and processing  Grid On-demand people  Need to harness global physics expertise for LHC physics Communications Tim Berners Lee

3. Lucas Taylor LHC Grid Fest CERN 3 rd Oct Collaborating at a distance 3 LHC : Competitive Collaboration Competitive  Be first and best Collaboration  Common physics goals  Share technical solutions Teams are globally distributed at all levels  Detector builders  Software developers  Computing operators  Physics analysis teams  Management, funding Matrix organizations Communications CERN users by nation of Institute (5 Feb 2008) Example: ATLAS collaboration 37Countries 169Institutions 2500Scientific authors

4. Lucas Taylor LHC Grid Fest CERN 3 rd Oct Collaborating at a distance 4 Communications Systems Text  Email (too much), SMS (not much)  Instant messaging (especially youth)  News / discussion groups Voice  Phone (especially mobile)  Phone-conferencing (small discussions) Video-conferencing  EVO system (Caltech/HEP)  High quality commercial systems (H323) CERN meeting management system (Indico) Number of events (as of Sept 2008)

5. Lucas Taylor LHC Grid Fest CERN 3 rd Oct Collaborating at a distance 5 SIP Example: EVO video-conferencing Statistics 18,900 registered users 600 users (unique) per day Around 160 meetings per day Around 3,000 meetings per month Up to 280 users in the same meeting MCU Multicast H.323 Phones Monitoring / MonALISA Desktops Record / Playback OpenGL Video IM / Chat Whiteboard / Shared Files Handheld

6. Lucas Taylor LHC Grid Fest CERN 3 rd Oct Collaborating at a distance 6 Collaborative Systems : examples Finance, HR, admin Document servers Wikis, e-learning... Software development Task / bug tracker Computing operations Services monitoring Operations centres Shift operations Physics data quality Distributed Collaboration : Web really is ubiquitous

7. Lucas Taylor LHC Grid Fest CERN 3 rd Oct Collaborating at a distance 7 CMS Centre at CERN: monitoring, computing operations, analysis CMS Experiment Control Room CMS Remote Operations Centre at Fermilab Distributed Operations Centres High definition permanently-running video links between operations centres

8. Lucas Taylor LHC Grid Fest CERN 3 rd Oct Collaborating at a distance 8 Distributed Collaboration It works! Web is central to everything Particle physics community develops new tools as-needed  Web, Grid, (what next …?)  …and uses numerous commodity systems Distributed Collaboration is crucial to the success of the exciting physics analysis phase of the LHC … next talk …

9. 9 Thank you