Services/Application Performance Monitoring
Service · Application Performance Monitoring

Application Performance Monitoring

NIKSUN's application performance monitoring ties transaction-level APM to the underlying network and infrastructure — so you see the application and its root cause together.

What is application performance monitoring (APM)?

Application performance monitoring (APM) is the practice of measuring and analyzing how well applications perform for their users — tracking response times, error rates, throughput, and transaction health — and pinpointing the cause when something degrades. Great APM doesn't just tell you an application is slow; it tells you why, by connecting the user-facing symptom to the network, infrastructure, and dependencies behind it.

How does it work?

Application performance monitoring brings together several layers of visibility:

Who uses it and why?

DevOps and SRE teams, application owners, network, and operations teams, and the executives who answer for digital experience all depend on APM. Benefits include:

Let's get some context

As applications moved from monoliths to distributed, cloud-native architectures spread across services, containers, and third-party APIs, performance problems became harder to localize. Traditional APM tools instrument the application code but lose sight of the network underneath — so when a transaction is slow, they can't always say whether the cause is the app or the wire. NIKSUN approaches APM from the data up: because it already captures every packet and flow, it can tie application behavior directly to the infrastructure carrying it, closing the gap that leaves teams guessing.

So, what's the problem?

Getting APM right is difficult for several reasons:

  1. The app-vs-network blame game. When something is slow, separate app, and network tools each say it's the other's fault.
  2. Blind spots. Code-level APM that ignores the network misses an entire class of root causes.
  3. Sampling. Tools that sample transactions miss intermittent and tail-latency problems.
  4. Tool sprawl. Stitching together APM, NPM, and infrastructure tools is costly and slow.
  5. Cloud complexity. Distributed, ephemeral environments are hard to observe end to end.

NIKSUN has the solution

Let's look at how NIKSUN solves these challenges for application performance monitoring.

Problem

App and network teams blame each other when a transaction is slow.

Solution: NIKSUN ends the blame game by correlating application transactions with the underlying packets and flows in one platform. Because the app data and the network data live in the same data lake, you can see in one view whether a slowdown originates in the application, the network, or a dependency — and prove it.

Problem

Code-level APM that ignores the network misses entire classes of root cause.

Solution: NIKSUN analyzes performance from link to application, tying high-level transaction metrics to packet-level detail. When a transaction degrades, you can drill all the way to the exact retransmission, saturated link, or slow server responsible.

Problem

Sampling-based tools miss intermittent and tail-latency problems.

Solution: Because NIKSUN captures everything losslessly rather than sampling, it sees every transaction — including the rare, intermittent, and worst-case events that sampling tools miss but that users remember most.

Problem

Stitching together APM, NPM, and infrastructure tools is costly and slow.

Solution: NIKSUN consolidates application performance, network performance, and infrastructure observability onto one platform and one console. That replaces multiple point tools, cuts cost, and gives every team a single shared source of truth — across on-prem, cloud, virtual, and hybrid environments.


Frequently Asked Questions (FAQs)

NIKSUN approaches APM from the data up. It correlates application transactions with the actual packets and flows beneath them, so it can pinpoint whether a slowdown is caused by the application, the network, or a dependency — something code-only APM tools can't always do.

Yes — that's a core strength. Because application and network data share one data lake, NIKSUN shows the full path of a transaction and isolates the true root cause, ending the app-vs-network blame game.

Yes. NIKSUN operates seamlessly across on-prem, cloud, virtual, and hybrid infrastructure, providing end-to-end application performance visibility from a single pane of glass.

No. NIKSUN delivers APM, NPM, and infrastructure observability from one unified platform, replacing multiple point tools and giving every team a shared source of truth.


More about NIKSUN's platform

More about NIKSUN

NIKSUN is the recognized world leader in empowering organizations to Know the Unknown. Since 1997, we have been committed to delivering the most innovative solutions for securing and optimizing the networks of over a thousand customers, including Fortune 500 companies, government agencies, and service providers.

Our industry leading suite of scalable, forensics-based cyber security, and network performance monitoring products provide customers with in-depth and actionable insight into security threats, performance issues, and compliance risks. NIKSUN's patented real-time analysis and recording technology is the industry's most comprehensive solution for securing and maintaining dynamic network infrastructure.


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See the app and the cause — together.

See how NIKSUN ties transaction performance to the packets beneath it, live.