The Truth About Stability at Business Locations | Why SD-WAN is the MSP’s Essential Tool 🧰


Connectivity at business sites is often taken at face value. If emails send and the WiFi works, it must be fine, right? 🤔
But in reality, most businesses operate in a vacuum of visibility when it comes to the true stability of their communications. Even worse — many ISPs do too. That’s not just inefficient; it's dangerous for continuity and service quality. ⚠️
📉 The Faulty Foundations of Connectivity Monitoring
ISPs often rely on intermittent ICMP polling — typically sending small ping packets every few minutes — to "validate" service availability. That may look good on a graph, but it completely ignores the real user experience. 🧍♂️💻
Why is this wrong?
ICMP probes are low priority and often deprioritised by networks.
Tiny packets don’t simulate actual user traffic like VoIP, video, or cloud transactions. 📦
Poll intervals are too wide to catch flaps or short-lived instability.
No understanding of packet loss on application-level traffic, which is what users feel. 😤
You can’t measure quality with a tool that can’t feel pain.
⚡ Power Blindness | Another Hidden Blind Spot
Another major issue is power continuity. Most ISPs and even some MSPs have no mechanism to detect power outages at client sites. 🔌
If a site goes offline, is it the router? A tripped DB board? An entire suburb blacked out? Eskom again? 🕯️
If you can’t answer that confidently, how do you enforce an SLA or troubleshoot accurately?
A simple telemetry beacon from a power-aware device could close this gap — yet most ISPs don’t bother. That’s foundational service awareness, and ignoring it undermines every layer above it. 📉
📶 Mobile = 🎲 Roulette for Business
LTE and 5G are often promoted as business-grade backups. But let’s be honest — cellular failover is Russian Roulette.
Signal can fluctuate wildly. 📡
SIMs can become deregistered. ❌
Users may unknowingly consume quota or be throttled. 🐢
Some routers never properly fall back to LTE, or get stuck on failed connections.
If you're relying on mobile backup without real-time telemetry and decision-making logic — you’re gambling. 🎰
🧑🤝🧑 Broadband Congestion | The Neighbour Effect
Broadband is a shared medium. That means congestion from nearby users impacts your performance. 📶🏙️
At 9am or 5pm, performance may tank — but ICMP polls still show “no loss.”
Only SD-WAN technologies with deep flow analysis and path scoring detect and actively reroute away from congested circuits.
ISPs rarely provide that — and MSPs without such tooling are left holding the bag.
🛠️ Stability Is About More Than Just the Link
Connectivity stability isn’t only about line conditions. It includes:
DNS failures (misconfigured or slow resolvers) 🌐
Conntrack exhaustion on overloaded routers 🧮
Firewall misconfigurations that cause flaky behaviour 🔥
WiFi interference and poorly planned LANs 📡
Cybersecurity vulnerabilities that compromise router performance 🦠
Botnet infections silently draining upstream bandwidth 💀
Any of these problems can manifest as "the internet is slow" complaints — but unless you have tools that can correlate symptoms with causes, you’re just guessing. 🎯
🧰 Enter Fusion’s SD-WAN | The Stability Toolkit MSPs Need
Fusion’s SD-WAN isn’t just another router with a cloud dashboard. It’s a complete overlay network that:
Aggregates multiple underlays for fault tolerance ✅
Scores path performance based on actual traffic metrics, not pings 📈
Detects brownouts and micro-failures before the user feels them 🟫
Can signal power outages, failover across mediums, and even integrate with environmental sensors ⚠️
Monitors DNS response times, conntrack health, and local misconfiguration 🚦
Provides security alerts from anomalous behaviour 🔐
It even empowers MSPs with remote visibility into what’s going on — down to the WiFi client, bandwidth hog, or broken DNS forwarder. 🕵️♀️
✅ Wrap | Stability Isn’t a Luxury — It’s a Necessity
Connectivity is the lifeline of modern business. Yet too many ISPs and MSPs rely on primitive techniques and blind assumptions to monitor it. 😐
The result? Instability, finger-pointing, and customers losing faith.
With Fusion’s SD-WAN, you bring true visibility, control, and resilience to every site you manage. From power outages to broadband congestion, from SIM status to WiFi instability — you have the eyes, ears, and tools to prevent issues before the customer notices.
And that, in today’s environment, isn’t just good service. It’s the bare minimum.
🛠️💡🌍
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Written by

Ronald Bartels
Ronald Bartels
Driving SD-WAN Adoption in South Africa