Part 1: Why current infrastructure is already obsolete
Sports fan? Still playing the same way? Think you can always win with a defensive scheme and a legendary roster? Just like in sports, when your infrastructure isn’t built to handle the pace of the modern game, you don’t just lose- you get dismantled!
AI has materially changed what the network is being asked to do.
Performance is increasingly measured in time- time to first token, time to remediation, and ultimately, time to value. AI workloads are pushing bandwidth, power and infrastructure requirements to new levels. Meanwhile, frontier AI models such as Mythos are accelerating vulnerability discovery, shrinking the mean time to exploit from days to hours, or even minutes. The security equation has fundamentally changed.
Why “one more year” is a losing strategy
Your customers aren’t just starting with blank sheets of paper. They are running aging infrastructure alongside VMs, Kubernetes, bare metal, cloud and increasingly AI. The architecture still needs to behave like one system. That’s why data center modernization can’t wait and is not merely just a refresh cycle.
The data center is the nervous system of modern business. The reality is simple: the data center is either a launchpad for your customer’s future or an anchor dragging them into obsolescence.
The myth that aging infrastructure can “go one more year” is a liability. Between looming Last Day of Support (LDoS) deadlines, escalating security threats and the massive, non-negotiable requirements of AI build outs, the cost of inaction has never been higher. Modern business demands infrastructure that isn’t just “there” but is predictive, secure and ready to scale at the speed of thought.
The answer: Cisco Nexus One.
Let’s break down why modernization can’t wait and how Cisco Nexus One meets customers where they are, and how the new Agentic AI Data Center Networking Modernization Playbook helps your customers succeed while selling smarter. With Cisco Nexus One we offer our customers a unified network architecture that helps teams operate heterogeneous infrastructure as one system. One platform, open choices, no compromises.
Choice at every layer:
You aren’t just offering hardware; we are offering a blueprint for resilience. Cisco Nexus One gives customers choice at every layer of the stack-
- Silicon layer: spanning Cisco Cloud Scale, Silicon One and Nvidia Spectrum-X Ethernet switch silicon. Match performance and power to AI training, inferencing, storage, or other workloads.
- Systems layer: The flagship Cisco N9000 Systems is the hardware anchor, paired with the most advanced Cisco optics.
- Software layer: Run Cisco ACI, NX-OS or SONiC; and align the network operating system to your customer’s operational strategy and talent pool.
- Operating model: Deploy the on-premises power of Nexus dashboard or embrace the cloud managed efficiency of Nexus Hyperfabric.
Built on open standards and designed for interoperability and backward compatibility, Nexus one lets customers modernize without a “rip and replace” mandate. It meets them where they are today while creating a secure, scalable, and AI-ready foundation for what comes next. As our customers have spoken and the market has taken note, the Forrester Wave report on data center switching names Cisco a leader, earning top Strategy honors and perfect scores in half of all evaluated criteria.
AgenticOps With Cisco Cloud Control
Nexus One integrates into Cisco Cloud Control, our unified AgenticOps platform for managing the entire portfolio, by both humans and AI agents. AI agents inside the AI Canvas tap the MCP server API on Nexus One controllers to fast-track diagnostics, triage and issue resolution. That means faster time to remediation and a network your customers can operate as code.
Security Fused Into Every Layer
In the era of AI-driven threats, security can’t be bolted on. Nexus One infuses it into the fabric:
- Live Protect delivers zero-downtime CVE shielding, protecting infrastructure during the vulnerability window without patching or reloading switches.
- Cisco N9300 Smart Switches enforce stateful, DPU-powered micro-segmentation right at the workload.
- Endpoint Security Groups (ESGs) extend group-based policy across multiple fabrics, standardized through the IETF for real-time segmentation.
The time to lean in is NOW
You don’t want to belong to a team that “rebuilds” in the middle of a playoff run. If you aren’t actively helping your customers modernize their installed base with future proof, secure and AI ready networking, your competition is already signing up for the talent you’re ignoring. “The cost of waiting is becoming greater than the cost of modernizing!”
Partners weigh in, why the time to modernize is urgent
“ Modernization is no longer driven by infrastructure age—it is driven by business urgency. AI readiness, speed to market, resilience, security and operational efficiency are forcing organizations to rethink whether their data center networks are ready for what the business needs next. Cisco’s DCN Modernization strategy helps us move faster, position the right solution, and differentiate from our competition.”- Jeff Jennings, Field CTO, Networking, Computacenter
“AHEAD doesn’t want to participate in an AI infrastructure transaction—it wants to orchestrate it. Data-center modernization gives them the entry point: assess the existing environment, architect for the future state, integrate the ecosystem, industrialize deployment through Foundry, and own the lifecycle afterward. Cisco’s Modernization strategy empowers AHEAD to determine where to play, why to engage, who to engage, and what to recommend—creating a pipeline for AHEAD’s advisory, integration, Foundry, and lifecycle services.” – Tom Koppelman, Vice President Sales Strategy & Alliances & Tony Jaroszewski Director, Specialist Solutions Engineering, AHEAD
“The rapid rise of AI has underscored a reality that many organizations already face: a modern, resilient network foundation is no longer optional. Coupled with growing technical debt across data center environments, the urgency to modernize has never been greater. With Cisco we are working on more informed customer prioritization and tailored modernization strategies that ultimately help clients secure, optimize, and modernize their networks faster” – Christine Fierro, Sr, Director, Networking, World Wide Technology
What’s next
This is just the beginning of the conversation. In the coming weeks, we’ll explore how AI, security, infrastructure and operations are changing the modernization equation—and hear directly from partners and Cisco in how we are together helping customers navigate that transition.
Up next: Security Changes the Modernization Equation: Why Proactive Is the New Imperative AND the network will have to move faster.
Additional Resources:
Learn more at the DCN Modernization Campaign & Partner Playbook Sales Connect Landing Page: https://salesresources.cisco.com/Link/Content/DCQBpJFGPBmFTGmCBm9pRVRT6GFG“
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