People and systems work together to manage information infrastructure. Owners provide funding and set policies while users access applications to complete work. Custodians maintain systems and manage technology while vendors supplement their services. Together these roles ensure information infrastructure supports business operations.

1. People and Information
Systems
Information Infrastructure: A collection of owned, leased and vended hardware,
software, firmware and services, that provide an operational platform for business Owners: Provide, fund
applications and information. This is sometimes referred to as Information and and sponsor information
Communications Technology, or ICT. (Represented by the gray highlighted area below.) systems; develop policies
for use. They derive value
in the form of business
profit and are responsible
Management Systems Utility Business Applications to shareholders
Processes: Management Applications Allows users to access, manipulate, and
Systems and Services organize information. Applications affect the Users: Apply the
Management performance of business processes and may applications and
Procedures used enhance competitiveness information to complete
by IT E-mail, DBMS, job functions. These
professionals to Systems and calendaring, business subject matter
Information
maintain applications that fax servers, experts develop functional
monitor and directory requirements for
information Scientific information, business databases,
control the ‘core’ systems, etc. applications. They derive
systems: trade secrets, video programming, images,
IT systems business value in the form
sound recordings, and other media
of applications, services
Fault
and information.
Configuration
Performance
Operating Systems Custodians: Procure,
Capacity
construct, operate, and
Security
maintain information
Asset/Inventory Windows 7; Windows XP; MAC OS; iOS; Linux; MVS;
systems; subject matter
Change embedded functions in firmware and software
experts in technology.
Installation
They manage the
Content
technology base and
Service Level Networks End or User Peripherals provide services to users
Systems (e.g. training, help desk,
Switches, routers, installation, etc.)
lines, firewalls, Smartphones, PCs, Printers, scanners,
wireless access tablets, servers, external hard disks Vendors: Augment the
points, etc. mainframes, etc. cameras, etc. services provided by
custodians