Title: Computing at CERN
1Computingat CERNFrom paper to Web......from
Web to Grid
François BRIARDIT-AIS-HR
21. Computing at CERN6 categories2.
Administrative computingfrom paper to Web3.
LHC computing challengesfrom web to Grid
Agenda
31. General-purpose computing2. Administrative
Computing3. Physics and engineering computing
4. Consolidation, coordination and
standardization 5. Physics applications 6.
Accelerator design and operations
Computing at CERN6 categories
IT Department
41. Computing at CERN6 categories 2.
Administrative Computingfrom paper to Web3.
LHC computing challengesfrom web to Grid
Agenda
5Administrative Information Servicescovered
business areas
61. Cover all business areas with a coherent
software offer2. Cover the whole software
lifecycle - Analysis - Conception - Tests -
Support - Maintenance
Administrative Information Servicesour mission
From paper to Web
7Administrative Information Servicestargeted
population
- Any individual at CERN- Department and
Experiment secretariats- Administrative services
(HR, FI, SG)- Other CERN central services (IT,
SC)- Management- External Physics Institutes-
External Companies contracting with CERN-
Authorities (Member States, CH, FR) More than
12000 AIS users
8Homonegeous Hardware- 1 RDBMS Oracle- 1
hardware platform Sun- 1 Operating System
SolarisHeterogeneous Software- Best of
breed- In house development
Administrative Information Servicesthe
infrastructure
HP nodes
Red Hat
9Administrative Information Servicesheterogeneous
application environment
10Example 1. EDH Electronic Document
Handlinghttp//edh.cern.ch- replaces all
administrative forms- cover all business areas-
more than 2380000 document as of January 2007-
manages workflow (signatures, conditional flow
etc)
Administrative Information ServicesExamples
11Example 2. e-RT e-Recruitment Toolkithttp//cern
.ch/jobs- free access from wole world- more
than 32000 candidates registered in 3 years-
more than 53000 applications received- e-mail
communication with candidates- electronic
distribution of applications internally
(replaces thousands of photocopies)
Administrative Information ServicesExamples
12Computing at CERN6 categories2.
Administrative Computingfrom paper to Web 3.
LHC computing challengesfrom web to Grid
Agenda