Deutsche Telekom IT Monitoring Infrastructure Case Study

This case study outlines the monitoring infrastructure utilized by Deutsche Telekom IT, which is responsible for ensuring connectivity for approximately 226,300 employees across more than 1,300 locations. The document details the implementation of Icinga, an open-source monitoring solution, to manage over 16,000 hosts and 95,000 services. It highlights the challenges faced with previous monitoring tools, including a lack of flexibility and support, prompting the transition to Icinga. The case study explains how Icinga's features, such as Apply Rules for automation and integration with internal systems, have improved incident detection and response times. Additionally, it discusses the collaboration with NETWAYS for support and the ongoing evolution of the monitoring infrastructure, including future plans to adopt Icinga Director for data import and automation. The document emphasizes the importance of high availability and stability in the internal network to maintain productivity.