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Information Technology Services (ITS) has been supplying
ARL:UT projects and staff with computing and networking
services and expertise for more than 40 years. Over the
years, ITS has managed three generations of mainframes,
two generations of supercomputers, and three generations
of servers. ITS has provided four generations of networking
services, from dumb terminals connected to the mainframe
and coaxial cable Ethernet, to today's state-of-the art
Gigabit Ethernet over fiber and copper.
Today, ITS runs more
than thirty servers and an extensive fiber and Category
5e UTP copper network, providing the following essential
services:
Communications Outside of ARL:UT
- Email -
SMTP email, virus-scanned for everyone's protection.
- World Wide
Web - ARL:UT web servers accessible by the public.
- File Transfer
Services - ARL:UT publishes files on the Internet using anonymous FTP or ARL:UT staff may create encryption-protected "dropboxes" to share proprietary data with sponsors and collaborators.
- Domain Name
Service - for the arlut.utexas.edu and arlut.org domains
visible to the Internet.
- Demilitarized
Zone (DMZ) - Externally accessible services are processed
through a doubly firewall-protected DMZ network, to help
ensure services are resistant to intrusion.
Services Available
Internally or Available to Staff Only
- Email -
including SMTP, POP, IMAP, Exchange, TLS(SSL)-protected
email both internally and over the Internet. All email
is virus scanned.
- World Wide
Web - Internal web services for the staff.
- Compute Services
- While scientists and engineers have personal workstations,
and many laboratories provide workgroup servers, ITS provides
a Sun Fire 880 compute server that is available for use
by all staff members for a fee. This system has 8 SPARC
III 950 MHz CPUs, 32 Gbytes of RAM and more than 400 Gbytes
of on-board high-speed disk storage. It is Gigabit-connected
to the ARL:UT Intranet. A variety of software is available
suitable for scientific and engineering computing. For
data reduction work, more than 16 tape storage devices
are available that handle a variety of tape formats.
- Network Attached
Storage - ITS provides more than a Terabyte of Gigabit-connected
Raid 5 protected disk storage, for a fee. Files are backed-up
nightly and archived on a regular schedule.
- Management
Information Services (MIS) - Administrative databases
are accessible on the ARL:UT Intranet via the Web and
login.
- Print Services
- ITS provides network-connected production-level
printing with a range of size and finishing options. High-quality
color printing is offered.
- Core Networking
Services - Basic network services provided:
- Office
Connectivity - Every office at ARL:UT has multiple
RJ-45 jacks providing UTP Cat 5e Gigabit-capability.
One jack is provided for each 25 sq. ft. of office
space. More than 3500 network connection points are
available.
- Network
Backbone - Redundant high-performance Cisco switch
routers located in the Master Distribution Frame (MDF)
provide high-availability Gigabit connectivity to
Cisco Enterprise class switches in nine Intermediate
Distribution Frames (IDFs) and five Local Distribution
Frames (LDFs).
- Internet
Access - ARL:UT takes primary Internet access
via a 100 Mbps connection to the University of Texas
campus network. The University of Texas network is
connected via multiple T3 (45-Mbps) connections, including
a dedicated connection for the research-oriented vBNS
network. In addition ITS maintains an independent
T1 (1.5 Mbps) connection through a commercial ISP
to ensure key networking services are maintained uninterrupted.
- External
Access to the Intranet - ITS provides direct dialin,
VPN and SSH access to its Intranet.
- Directory
Services - LDAP directory services are available
on the ARL:UT Intranet to provide searchable phone,
email, office, and other information about the staff.
- Newsgroups
- Selected Internet and local technical newsgroups
are made available to staff via a local server.
- Time Service
- ITS maintains local NTP-based timeservers whose
time is derived from a GPS-based time standard.
- Network
Information Service (NIS) - ITS has multiple NIS
servers that provide centralized account authorization
information for UNIX and Linux systems.
- Windows
Domain and Name Services - ITS has multiple Windows
domain servers that provide centralized account authorization
information for Windows systems.
- Dynamic
Host Protocol Service (DHCP) - ITS provides managed
DHCP services that automatically configure network
parameters on computers. For Information Assurance
purposes, only properly registered systems are provided
configuration information.
- Domain
Name Service (DNS) - ITS provides redundant DNS
servers that provide internet domain translation for
all ARL:UT computers internally.
- Standardized
Account Authority - The ITS-developed "Ganymede" web-based meta-directory provides authorized
administrators in all ARL:UT laboratories a simple
method of administering computer account information.
"Ganymede " is an easy to use, error-free
means of controlling email, external access, and both
UNIX and Windows account information for users and
systems in their area of responsibility.
- Information
Assurance - Protecting proprietary information and networks:
- Policy
- ARL:UT has an extensive and detailed Information Assurance Policy designed to protect ARL:UT's networks and the University of Texas' and our sponsors' proprietary information.
- Firewall
- All external network connections are firewalled
to protect the ARL:UT Intranet.
- Demilitarized
Zone (DMZ) - Externally accessible services are
processed through a doubly firewall-protected DMZ
network, to help ensure services are resistant to
intrusion.
- Standardized
Account Authority - The ITS-developed "Ganymede" web-based meta-directory provides authorized administrators in all ARL:UT laboratories a simple method of administering computer account information. "Ganymede" keeps track of all changes and records a detailed history and keeps those affected informed with email messages. "Ganymede" also manages password aging, ensuring passwords are reasonable and changed as required by policy.
- Dynamic
Host Protocol Service (DHCP) - ITS provides managed
DHCP services that only allow properly registered
systems to be automatically configured.
- Intrusion
Detection and Prevention - ARL:UT monitors incoming and outgoing
Internet traffic to help ensure that "hackers"
and intruders are detected and neutralized.
- Consulting
and System Administration Services:
- UNIX System
Administration - ITS has Senior Operating Systems
Specialists experienced in a variety of UNIX disciplines
and operating systems. We support Sun Solaris, Linux,
HP/UX, and FreeBSD.
- Microsoft
Windows System Administration - ITS has Senior
Operating Systems Specialists experienced in Windows Server
products as well as Windows XP,
2000, NT, 98, and 95.
- Computer
Networking Administration - ITS has Senior Operating
Systems Specialists experienced in a variety of networking
equipment and services. We do our own network design,
installation and support.
- Network
Installation Services - ITS has on-site network
installation and repair staff certified and experienced
in both copper and fiber installation and termination.
- Special
Project Support - ITS can provide special services
needed by projects. Projected-oriented networks, servers,
data backups, and consulting can be provided as needed.
- ITS Portal
- ITS provides an online portal to keep ARL:UT
staff informed as to the latest information about
ITS services and events.
- Support
Web Pages - ITS maintains extensive internal and
password-protected external web pages that provide
information to the ARL:UT staff about how to configure
systems and software at ARL:UT.
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