Overview
The Department designs, operates and manages the network, computing and telephone infrastructure of the University of Crete, the Voutes Data Center and core services: email, user authentication and authorisation.
66.000institutional accounts
300virtual servers
370wireless access points
History
The Department’s journey
Goals
The Department’s goals
Services
What we can do for you
Network services & infrastructure
Wired accessConnecting offices and laboratories to the data networkWireless access (eduroam)Wi-Fi on University premises and at institutions abroadVPNSecure access to the University network from homeNetwork securityFirewalls and network protection systemsDomain names (DNS)Registration and management of uoc.gr namesCabling infrastructureDesign and extension of network and telephone cabling
Computing services & infrastructure
Virtual machines (VM)On-demand servers for services and researchWebsite hostingHosting on Data Center infrastructureStorageStorage space for groups and applicationsBackupsBackup for central servicesHigh-performance computing (HPC)High-performance computing resources for researchersServer hostingEquipment colocation at the Data Center
Telephony
Authentication & authorisation
Other responsibilities
Key figures
Services and infrastructure in numbers
Email
40.000mailboxes
18,5 TBtotal mailbox size
60.000messages per day (avg.)
Institutional accounts
66.000accounts in the central directory service
Computing infrastructure
29servers at the Voutes DC
19servers at the GRNET DC (granted use)
200 TBstorage
Virtual machines
300virtual servers
1.110vCPU
1.990 GBvRAM
Backups
500 TBof backups on tapes
Website hosting
170websites on the hosting infrastructure
Telephony
1.817telephone devices
220voicemail
120automated telephone attendant applications
Wired access
2fiber-optic rings (Gallos – Voutes)
100network distribution frames
185network devices
7.000active network outlets
Wireless access
6central management controllers
370access points
2core networks and ad hoc networks for special uses
Responsibilities
Responsibilities of the Department
Responsibilities
- Management of cabling and supporting infrastructure
- Management of active network infrastructure
- Management of metering devices and logging and visualisation systems
- Management of servers and high-performance computing (HPC) services
- Management of core services
- Authentication and authorisation
- Management of workstations and academic software
- Information and communication technology (ICT) security policies
Work in progress
- Transformation of the network infrastructure with new wired and wireless access equipment (GRNET’s HEPHAESTUS project for universities)
- Upgrade of telephone infrastructure and services
- Migration of virtual machines (VMs) from old servers to new infrastructure
- Design, implementation and migration to a new authentication and authorisation service
- New mailing list system and migration of existing lists
- Optimisation mechanisms for the email service
Staff
The Department’s team
Stavrakakis Emmanuel
Senior Head of the Infrastructure Department
Department of Network and Computing Infrastructures and Services
Karatarakis Emmanuel
Department of Network and Computing Infrastructures and Services
Vasilopoulos George
Department of Network and Computing Infrastructures and Services
Drandrakis Paulos
Department of Network and Computing Infrastructures and Services
Tsakountakis Alexandros
Department of Network and Computing Infrastructures and Services
Head of Department
Stavrakakis Emmanuel
Senior Head of the Infrastructure Department
- 2810 393311
- mstavrak@uoc.gr
Contact
2810 393330helpdesk@uoc.grMonday – Friday, 08:00–16:00Data Center: Voutes CampusRethymno: Gallos Campus, Building D1
