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The service industry encompasses many sectors, such as finance, transportation, utilities, government, and health care. These sectors increasingly depend on information technology (IT) to provide business services. Service solutions take advantage of a wide variety of critical IT-enabled business functions, including enterprise resource planning, customer relationship management, business intelligence, and Web-based communication, such as e-mail and Web sites. In some cases, such as online auction services, the entire business depends on IT. As businesses in all sectors continue to expand their use of IT, the complexity of managing this infrastructure also increases. In addition, compliance regulations impose the burdens of tracking changes to critical applications to support financial regulations and health-care regulations.
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