Internet Services Alberto Pace

Internet Services Group u Mission and Goals u Provide core computing services, worldwide u Three specific areas u Collaborative Services (Mail, Calendar, Mailing lists, Directories, Video Conferencing …) u Windows Desktop Services (Desktops, Servers, Core applications) u Web Services (Server infrastructure, Authoring Tools)

Collaborative Tools u Provide a consistent collaborative environment to the CERN users u Including messaging, calendaring and videoconferencing u Consisting of both server and client-side services. u Electronic Mail u Around 20 servers u 14,000 accounts u Towards 1 million mails / day, > 80 % spam u More than 3,000 mailing lists u Videoconferencing u 7 VC rooms operational, 2 more in project u 1,300 registered videoconferences in in first half

Web Services u Provide a consistent web hosting and authoring environment to the CERN users u About 30 Servers: u ~ 6000 Sites. ~ HTTP requests/day u 24x7 Service operation u Current offering u Windows/IIS and Linux/Apache hosts u Web storage “on the server” or on DFS / AFS u Support Perl, ASP, PHP scripting for web applications u Redirection / Relocation services u Intranet Search Engine Service (Inktomi) May 2003Nov 2003 Sites~ 5500~ 6000 Hits / Day~ ~

Windows Services u Provide a consistent desktop environment to CERN users u Directories, file and home directories storage u Standardized desktop computing environment u A core set of application software u Windows Server infrastructure u ~ 130 servers u ~ 16 TB of disk space, 30 TB raw disks u Used also for Web and Mail services u Windows Desktop Management u ~ User Accounts, Contacts, 1700 Groups u ~ 7800 Computer accounts in the domain u ~ 5500 Managed desktops (2000 and XP) u 24x7 Service operation

New Services this year u Terminal Services u Scheduled for beginning of spring 2004 u Investigate the automated provision of digital certificates u No service foreseen, investigation only u Kerberos PKI interoperability u Usable for Mail, Web authentication, software signing, Grid applications

Collaborative Scenario Right-Click

Group Organization WinWebCollabWin Mail, Video Conf common server infrastructure common directories - common services Activities ≠ Sections DS Section (Desktop Services) IN Section (Infrastructure)

A final comment January 2003 September 2003 December 2003 Adiabatic Duration: ~ 10 years “Collaborative” Duration: ~ 2 years Managed Duration: ~ 4 months

The past was not static

The future won’t be static either Terminal Services users SMS 2003 ACB users New web hosting sites

Summary u Major stakeholders u UDS group, Helpdesk u CS group, Network u FIO group, Computer Centre, backups u Important mission, high visibility of services u When Web/Mail/Desktop down or security compromised, nobody can work u Lot of stress means lot of responsibilities, top priority u Important and formal procedures for change management u Teamwork essential u Centralized management means high efficiency but also error amplification

Selected topic demos … u Windows Account Management u Web Site management automation u Mailing list management u Anti Spam efforts