1. Tobias Haas: HTASC HTASC: A Technical Advisory Subcommittee for HEPCCC Tobias Haas Chairperson of HTASC 1 st iHEPCCC, 17 May, 2004

2. Tobias Haas: HTASC This Presentation Functioning of HTASC Functioning of HTASC Mandate Mandate History History Membership Membership Topics Topics My personal view on HTASC My personal view on HTASC

3. Tobias Haas: HTASC History HTASC was founded in 1995 on the initiative of the George Kalmus, then Chairman of HEPCCC. HTASC was founded in 1995 on the initiative of the George Kalmus, then Chairman of HEPCCC. Mandate: Mandate: The HEP-CCC Technical Advisory Subcommittee (HTASC) is a subcommittee of HEP-CCC. The HEP-CCC Technical Advisory Subcommittee (HTASC) is a subcommittee of HEP-CCC. Each member of Restricted ECFA nominates a member of HTASC (implicitly for his country). Each member of Restricted ECFA nominates a member of HTASC (implicitly for his country). It should provide the HEP-CCC with advice on: It should provide the HEP-CCC with advice on: future requirements in all areas of computing and networking. future requirements in all areas of computing and networking. The technical solutions to current and future computing and networking problems. The technical solutions to current and future computing and networking problems. This advice should be in the form of clear recommendations with the technical, financial, strategic and "political" implications spelled out. This advice should be in the form of clear recommendations with the technical, financial, strategic and "political" implications spelled out. The areas to be examined by the HTASC may be at the request of the HEPCCC or may be initiated by the HTASC itself. The areas to be examined by the HTASC may be at the request of the HEPCCC or may be initiated by the HTASC itself. In order to carry out this mission, the HTASC may form specialist panels. These panels should be working groups with specific goals and time scales. Their role and composition should be endorsed by the HTASC and brought to the HEP-CCC for confirmation. Their mandate should be re-examined regularly (e.g. every 2 years). In order to carry out this mission, the HTASC may form specialist panels. These panels should be working groups with specific goals and time scales. Their role and composition should be endorsed by the HTASC and brought to the HEP-CCC for confirmation. Their mandate should be re-examined regularly (e.g. every 2 years). The HTASC replaces the HEPnet Technical Committee (HTC) and also the HEPnet Requirement Committee (HRC). The HTASC replaces the HEPnet Technical Committee (HTC) and also the HEPnet Requirement Committee (HRC). The chairman is nominated for three years. The chairman is nominated for three years.

4. Tobias Haas: HTASC History Chair: Chair: M. Kasemann (1995 – 1998) M. Kasemann (1995 – 1998) D. Kelsey (1998 – 2001 ) D. Kelsey (1998 – 2001 ) T. Haas (2001 – present ) T. Haas (2001 – present ) Membership: Membership: Currently 19 members. Currently 19 members. Meetings: Meetings: 3 times a year, usually ahead of HEPCCC 3 times a year, usually ahead of HEPCCC 26 Meetings were held since 1995 26 Meetings were held since 1995 Attendance usually 10 – 15 Attendance usually 10 – 15

5. Tobias Haas: HTASC Current Membership Chairperson: Tobias Haas Chairperson: Tobias HaasTobias HaasTobias Haas Austria: Gerhard Walzel Austria: Gerhard WalzelGerhard WalzelGerhard Walzel Belgium: Rosette Vandenbroucke Belgium: Rosette VandenbrouckeRosette VandenbrouckeRosette Vandenbroucke CERN: Jürgen Knobloch (Scientific Secretary) CERN: Jürgen Knobloch (Scientific Secretary)Jürgen KnoblochJürgen Knobloch Czech republic: Milos Lokajicek Czech republic: Milos LokajicekMilos LokajicekMilos Lokajicek Denmark: Bjorn S. Nilsson Denmark: Bjorn S. NilssonBjorn S. NilssonBjorn S. Nilsson France: Francois Etienne France: Francois EtienneFrancois EtienneFrancois Etienne Germany: Rainer Mankel Germany: Rainer MankelRainer MankelRainer Mankel Greece: Emmanuel Floratos Greece: Emmanuel FloratosEmmanuel FloratosEmmanuel Floratos Hungary: Jozsef Kadlecsik Hungary: Jozsef KadlecsikJozsef KadlecsikJozsef Kadlecsik Italy: Gian Piero Siroli (Webmaster) Italy: Gian Piero Siroli (Webmaster)Gian Piero SiroliGian Piero Siroli Netherlands: Els de Wolf Netherlands: Els de WolfEls de WolfEls de Wolf Norway: Ola Borrebak Norway: Ola BorrebakOla BorrebakOla Borrebak Poland: Grzegorz Polok Poland: Grzegorz PolokGrzegorz PolokGrzegorz Polok Portugal: Jorge Gomes Portugal: Jorge GomesJorge GomesJorge Gomes Slovakia: Peter Chochula Slovakia: Peter ChochulaPeter ChochulaPeter Chochula Spain: Nicanor Colino Spain: Nicanor ColinoNicanor ColinoNicanor Colino Switzerland: Christophorus Grab Switzerland: Christophorus GrabChristophorus GrabChristophorus Grab United Kingdom: Dave Bailey United Kingdom: Dave BaileyDave BaileyDave Bailey Observers: Observers: United States: Irwin GainesIrwin Gaines Japan: Setsuya KawabataSetsuya Kawabata

6. Tobias Haas: HTASC Topics International Network Monitoring (95) International Network Monitoring (95) EU 4 th Framework Project Proposals (95) EU 4 th Framework Project Proposals (95) Mail Servers (96) Mail Servers (96) Distributed Editing of Papers (96 – 98) Distributed Editing of Papers (96 – 98) Win (NT/2K/XP coordination (96 – 04) Win (NT/2K/XP coordination (96 – 04) SW Licensing (96) SW Licensing (96) Wide Area Filesystems like AFS/DFS (97/01/02) Wide Area Filesystems like AFS/DFS (97/01/02) Programming Languages (97) Programming Languages (97) Network Security (99/02) Network Security (99/02) Y2K (99) Y2K (99) Videoconferencing (99-04) Videoconferencing (99-04) OO Technology (99) OO Technology (99) Differenciated Network Services (QoS) (00) Differenciated Network Services (QoS) (00) LDAP (00) LDAP (00) Regional Centers (00) Regional Centers (00) X.509 Certificates (00) X.509 Certificates (00) Cost and Size of NRENs (02) Cost and Size of NRENs (02) Traveling Physicist (03) Traveling Physicist (03) Cooperation of Tier2 Centers (03) Cooperation of Tier2 Centers (03)

7. Tobias Haas: HTASC Documentation and Interaction with HEPCCC All info available on the WEB: All info available on the WEB: Home: http://htasc.pi.infn.it/ Home: http://htasc.pi.infn.it/http://htasc.pi.infn.it/ Mandate Mandate Membership Membership Meeting Dates/Venues Meeting Dates/Venues Documents Documents Meeting Agendae: http://agenda.cern.ch/displayLevel.php?fid=57 Meeting Agendae: http://agenda.cern.ch/displayLevel.php?fid=57 http://agenda.cern.ch/displayLevel.php?fid=57 Chairman of HTASC is a member of HEPCCC and reports at every meeting on HTASC activities. Chairman of HTASC is a member of HEPCCC and reports at every meeting on HTASC activities.

8. Tobias Haas: HTASC My View on HTASC … What is good: What is good: HTASC is a standing committee: HTASC is a standing committee: The threshold for getting a discussion on a specific topic is small. The threshold for getting a discussion on a specific topic is small. HTASC has generally reacted to HEPCCC requests in a timely fashion. HTASC has generally reacted to HEPCCC requests in a timely fashion. HTASC has been able to provide HEPCCC with qualified advice in an extremely wide range of computing topics HTASC has been able to provide HEPCCC with qualified advice in an extremely wide range of computing topics HTASC has also been able to feed information “down” from HEPCCC in particular to smaller countries not as well connected to the HEP computing mainstream. This has been the prime motivation for many members to participate. HTASC has also been able to feed information “down” from HEPCCC in particular to smaller countries not as well connected to the HEP computing mainstream. This has been the prime motivation for many members to participate.

9. Tobias Haas: HTASC … my View on HTASC What is bad: What is bad: The true cost of sending a request to HTASC is not accounted for. The true cost of sending a request to HTASC is not accounted for. HTASC spends significant resources: HTASC spends significant resources: time spent by members and in particular the chairperson. time spent by members and in particular the chairperson. travel travel HTASC can solicit contributions by good will only: Cannot even pay travel cost to invited experts. This limits the reach on expert knowledge. HTASC can solicit contributions by good will only: Cannot even pay travel cost to invited experts. This limits the reach on expert knowledge.

10. Tobias Haas: HTASC My personal Summary A body like HTASC can be very useful but its cost must be considered with care A body like HTASC can be very useful but its cost must be considered with care The motivation for people to serve on HTASC must be kept in mind: The motivation for people to serve on HTASC must be kept in mind: Added value for the members: Added value for the members: Information feed down Information feed down