Big data as a Service (BDaaS) refers to services that provide analysis of large or complex data sets, typically over the Internet as cloud-hosted services. Similar types of services include software as a service (SaaS) and infrastructure as a service (IaaS), where specific Big data as a Service options are used to assist businesses in dealing with what the IT world refers to as big data, or sophisticated aggregated data sets that provide a lot of value to today's businesses. Other common marketing strategies for Big data as a Service have been identified by experts. One instance is the placement of cloud data storage resources in conjunction with analytics, so that hot or cold data is stored close to where it will be manipulated for analysis.