All green. Why the application is still slow (Observability Part 1).

A business-critical application is responding slowly at several branch offices. Employees are waiting for the system to respond, and the service desk is receiving complaints. Yet the network connections are up, no devices are reporting failures, and the monitored metrics remain within their thresholds. Where do you begin the root cause analysis?

This situation illustrates why companies with distributed sites should approach network operations from the perspective of the services they use. Observability helps put technical observations in context by linking them to the relevant dependencies. This enables a more focused investigation into why a service is degraded and which sites are affected.

What a green status actually tells you

Monitoring remains an important foundation for operations. It shows, for example, whether connections are available, network utilization is rising, or packet loss is occurring. A green status indicates that the parameters being monitored are within defined thresholds. It does not, on its own, tell you whether an application is performing satisfactorily for its users.

Several technical components sit between an employee’s device and the application. The local Wi-Fi network, the wide area network connection, DNS resolution, and security checks can all affect response times. There are also dependencies on providers and cloud services. An individual component may appear to be operating normally when viewed in isolation, while the way components interact along the entire network path degrades the user experience.

For central IT, analysis becomes particularly time-consuming when each team sees only part of the picture. Network operations checks connection metrics, the security team reviews its events, and cloud operations examines the platform. Each observation may be correct. What may still be missing is a shared explanation.

How observability broadens the analysis

Observability brings relevant signals together with information about sites, services, and technical dependencies. This includes the connection paths in use and any preceding changes. This context helps teams interpret individual anomalies and systematically investigate potential causes.

Returning to the example: the delays affect only branch offices whose traffic has been routed through the same security service since a policy change. The investigation now connects several observations: Which sites are reporting problems? Which path was used? When did the delay occur, and what changed beforehand?

This produces a testable hypothesis about the cause. The timing alone does not prove that the change is responsible, but it gives the team a concrete starting point for further tests. Alternatively, the investigation might reveal that the affected sites share a local Wi-Fi configuration, making the security service a less likely cause.

The distinction between monitoring and observability is not determined by product labels. Monitoring systems can also analyze relationships. What matters is how well the available information explains the behavior of a service across multiple technical domains.

Three questions to ask about your network operations

IT leaders can assess their starting point and observability maturity by asking three questions:

1. Can we identify which services and sites are affected? Technical alerts should be linked to their operational context. Only then can teams assess how urgently a service degradation needs to be addressed.

2. Can we connect observations across teams and providers? If every investigation begins with manual data reconciliation, a shared basis for analysis may be missing.

3. Can we link changes to their subsequent impact? Teams that can trace which path or policy was in effect at a given time can test hypotheses about the cause more precisely.

The next step is to select a recurring issue affecting an important service or application and map out the current investigation process. Where do teams need to piece information together? Which dependencies remain unclear? The answers reveal what additional visibility is actually needed for that service.

Would you like to assess where this context is missing from your network operations? Our experts can help you identify the relevant services and existing data sources, and determine your specific analysis needs.


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