write:Data CentersTraditionally data and database technologies were kept in data centers that were typically run by an in-house IT department (Figure 2.15) and consisted of on-premises

Data Governance
and Cloud Computing 2.4 Data Centers and Cloud ComputingData centers and cloud computing are types of IT infrastructures or computing systems. Data center also refers to the building or facility that houses the servers and equipment. In the past
there were few IT infrastructure options. Companies owned their servers
storage
and network components to support their business applications and these computing resources were on their premises. Now
there are several choices for an IT infrastructure strategy―including cloud computing. As is common to IT investments
each infrastructure configuration has strengths
weaknesses
and cost considerations.Data CentersTraditionally
data and database technologies were kept in data centers that were typically run by an in-house IT department (Figure 2.15) and consisted of on-premises hardware and equip-ment that store data within an organizationÕs local area network.Today
companies may own and manage their own on-premises data centers or pay for the use of their vendorsÕ data centers
such as in cloud computing
virtualization
and software-as-a-service arrangements (Figure 2.16).© Oleksiy Mark/Shutterstock FIGURE 2.15 A row of network servers in a data center.© Michael D Brown/Shutterstock FIGURE 2.16 Data centers are the infrastructure underlying cloud computing
virtualization
networking
security
delivery systems
and software-as-a-service.