If you’ve ever experienced a sudden fibre outage in Johannesburg while sipping your morning ☕ and wondering why your Zoom meeting isn’t connecting… chances are, the culprit wasn’t a cyber-attack or solar flare — it was a burst water pipe and a cowboy...
In the world of technology, there’s a familiar, if crude, expression: SHIT happens. But in IT, it’s not just an offhand remark—it’s an inevitable reality. Significant Havoc in Technology (SHIT) is always lurking, waiting to disrupt operations, affect...
Outages are never just technical glitches—they are symptoms of deeper issues, poor design choices, unvalidated assumptions, or breakdowns in operational processes. Every service interruption is both an opportunity and a responsibility: to investigate...
There’s an unspoken rule in network operations: if you’re asking your customer to run an MTR (My Traceroute) to diagnose a problem, you have already failed at your job. It’s that simple. The moment a network operator or service provider shifts the bu...
One of the most powerful features of SD-WAN is its ability to continuously monitor the health of network tunnels. It tracks key performance metrics such as packet loss, latency, jitter, out-of-order packet percentages, and Mean Opinion Score (MOS). T...
In Layer 2 Ethernet networks, resilience is key. Unlike Layer 3, where routing protocols dynamically reroute traffic, Layer 2 has limited options when it comes to path redundancy. Enter Link Aggregation (LAG)—a method that allows multiple physical li...
It always happens at the worst possible time. You’re in the middle of something important—maybe a Teams call with your biggest client, maybe just ordering pizza—when suddenly, your internet dies. At first, you stay calm. It’s probably nothing. Then r...
When London Heathrow Airport—one of the busiest airports in the world—grounded to a halt due to a power failure, it wasn’t just a minor inconvenience. It was a textbook example of why relying on a single point of failure (SPOF) is a recipe for disast...
Internet outages can bring businesses to a standstill, disrupt communications, and cause widespread frustration. When an outage occurs, the usual suspects are immediately blamed: last-mile connectivity issues, ISP failures, or faulty network hardware...
If you’ve ever relied on legacy networking gear to detect a link failure, you’ll know that it’s about as effective as waiting for a minibus taxi to leave the rank before it’s full—painfully slow and frustratingly unpredictable. The biggest problem wi...
