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The latest News and Information on IT Networks and related technologies.

Incident Review - What Was Behind the September 7 Spectrum Outage: A Case of Dr. BGP Hijack or Mr. BGP Mistake?

September 7, 2021, 16:36 UTC: an outage hit Spectrum cable customers in the Midwest of the U.S., including Ohio, Wisconsin and Kentucky. Users of their broadband and TV services hit social media to voice their annoyance at the disruption it was causing. Everything was resolved at around 18:11 UTC, and services were restored to users.

Rate Limiting with the HAProxy Kubernetes Ingress Controller

Add IP-by-IP rate limiting to the HAProxy Kubernetes Ingress Controller. DDoS (distributed denial of service) events occur when an attacker or group of attackers flood your application or API with disruptive traffic, hoping to exhaust its resources and prevent it from functioning properly. Bots and scrapers, too, can misbehave, making far more requests than is reasonable.

Painting a Complete Network Monitoring Picture: Why Context is Critical

In order to produce their masterpieces, artists like van Gough, Rembrandt, Picasso, and Monet painted with more than just one color. Being able to choose from multiple colors (not to mention an abundance of talent, inspiration, and creativity) is what allowed these artists to see their complete vision come to life on canvas. However, if you’re relying on a single set of data to troubleshoot network issues, it’s like you’re stuck painting with one color.

The 95th Percentile: How to Manage Capacity Before You Run Out

One of the largest challenges with network bandwidth metering is the way traffic flows. Traffic comes in bursts. It’s never a constant, predictable stream of data you can measure once, spec hardware for and be done with (wouldn’t that be nice?!). Instead, you need to account for the dynamic nature of bandwidth utilization and its impact on performance. You’ll never be able to predict every burst of traffic your network experiences.