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Beyond the Firewall: Achieving True Observability in the Era of Hybrid Infrastructure 

Summary

In 2025, modern applications heavily rely on complex, distributed infrastructures and the internet, yet traditional observability tools fall short in monitoring external dependencies like the 'middle mile' and third-party services. This 'observability gap' leads to significant financial losses and impacts user experience. The article advocates for Internet Performance Monitoring (IPM) to bridge this gap, providing proactive, user-centric visibility into the entire delivery chain. IPM helps DevOps teams detect issues before customers are affected, pinpoint root causes, reduce resolution times, and shift from reactive firefighting to proactive prevention by monitoring internet routing, DNS, and synthetic transactions globally.

Why It Matters

A technical IT operations leader should read this article because it highlights a critical and often overlooked blind spot in modern observability strategies. As applications become increasingly dependent on external internet infrastructure and third-party services, traditional APM tools are insufficient. This article clearly articulates the financial and reputational risks associated with this gap and presents IPM as a vital solution. By understanding the benefits of IPM, leaders can make informed decisions to enhance their organization's reliability, performance, and customer trust, ultimately safeguarding revenue and brand reputation in an increasingly interconnected digital landscape.