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      May 28, 2025

      The End of the Network Engineer as We Know It?

      The internet is your new enterprise network, but can you see beyond the firewall?

      5 min read

      Written by: Yann Guernion
      Key Takeaways
      • See why, now that the internet is your new enterprise backbone, traditional network boundaries no longer apply.
      • Learn how effective network engineering now demands deep visibility into external ISP and cloud networks.
      • Establish modern network observability to turn vast internet data into actionable insights for proactive operations.

      For decades, the enterprise network was a well-defined fortress and network engineers were its meticulous guardians. However, their visibility and control was largely confined within the parameters of their organization's infrastructure. The cloud revolution and the ubiquity of SaaS applications have shattered these traditional boundaries. Today, for virtually every organization, the internet is the new enterprise network. Critical applications, data, and user experiences now rely upon a complex web of ISP backbones and sprawling cloud provider networks, domains historically opaque to the enterprise engineer. This shift presents a stark challenge: Can network engineers effectively manage and troubleshoot a network they don't own and can't directly control?

      The uncomfortable truth

      The uncomfortable truth is that many can't. When application performance degrades or connectivity issues arise, the familiar blame game often ensues. Is it the corporate network? The application? The user's connection? Or is the problem lurking somewhere in the vast, intermediary expanse of an ISP’s or cloud provider's infrastructure? Without deep visibility into these external networks, network engineers are often left guessing, pointing fingers, and struggling with prolonged resolution times. The traditional toolkit, focused on internal device health and link status, offers little insight once traffic leaves the enterprise edge.

      This is where the concept of network observability takes on a new, critical dimension. It's no longer enough to simply monitor your own routers and switches. True, effective network observability in the modern era must extend outwards, providing meaningful insights into the performance and behavior of the internet paths and cloud networks that your business now depends upon. This means leveraging advanced techniques and tools capable of synthetic monitoring, BGP route analysis, path visualization, and end-to-end performance measurement across networks you don't own.

      The new network engineer

      The implications for the network engineer are profound. The role is evolving from an inward-facing infrastructure manager to an outward-facing service delivery guarantor. Understanding the intricate peering relationships of ISPs, the architecture of major cloud provider networks, and the common points of congestion or failure across the global internet is no longer niche knowledge; it's becoming table stakes. Engineers must develop cross-domain skillsets capable of piecing together clues from disparate data sources to identify and diagnose issues that lie far beyond their direct control.

      This demands a shift in mindset as much as in tooling. Engineers must move beyond a device-centric view to an experience-centric one. What matters is the user's experience accessing an application, regardless of where that application is hosted or how many intermediary networks the traffic traverses. Observability provides the data to understand that experience. Plus, through its analytical capabilities, it augments the engineer's own expertise and understanding of internet connectivity, streamlining the process of turning complex data into actionable insights.

      Drawing it all together

      So, is the network engineer who only understands their internal LAN/WAN destined for obsolescence? Perhaps not immediately, but their value is undeniably diminishing in a world where the enterprise network is increasingly borderless. The engineers who thrive will be those who embrace the challenge of internet-scale observability. They are the ones who can demystify the "black boxes" of ISP and cloud networks, proactively identify external dependencies that pose a risk, and work collaboratively with providers to resolve issues that impact their organization.

      The provocation is clear: If your enterprise relies on the internet (and whose doesn't?), your network engineering team needs the capability to see, understand, and navigate it. Without this extended visibility, you're essentially outsourcing a critical component of your IT operations to chance. In this new reality, the network engineers who can master the art and science of observing the internet will be the true guardians of enterprise connectivity and performance. Those who remain confined by the old perimeter risk becoming irrelevant in a networked world that has long since moved beyond it.

      Augment your team's expertise with powerful observability. DX NetOps Active Experience offers proactive, end-to-end performance assurance that extends your visibility where it's needed most.

      See it in action: Watch the 15-minute webcast now.

      Tag(s): DX NetOps , AppNeta , Network Monitoring , Network Observability , Network Management , DX NetOps Active Experience , ISP , Network Engineer , Cloud , End-to-End

      Yann Guernion

      Yann has several decades of experience in the software industry, from development to operations to marketing of enterprise solutions. He helps Broadcom deliver market-leading solutions with a focus on Network Management.

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