This assessment explores the complexities of IT infrastructure management through a case study analysis of AstraZeneca's terminated outsourcing contract with IBM. It delves into the mistakes made by both parties, examines the reasons behind long-term outsourcing contracts, and analyzes the effectiveness of SLAs in protecting both vendors and AstraZeneca. The assessment also discusses the advantages of arbitration over court proceedings in resolving IT-related disputes. Furthermore, the assessment explores the topic of Enterprise Systems and Applications, examining their functionalities, architecture, and applications across various industries. It highlights the importance of Enterprise Systems in enhancing business strategies and managing organizational data effectively.