Blog #1: Fixing a Network Issue
Roswell, New Mexico-based Wireless Internet Service Provider (WISP)
What Exactly Happened?
During a routine network check-up, Preseem helped identify that a particular site had experienced a sudden change in Quality of Experience (QoE) for users. This indicated a possible major network issue. The site was experiencing massive latency and delivering reduced bandwidth to subscribers. This meant that the site was down and subscribers were also experiencing poor QoE, as shown in the images below.
Image 1: Many sites can be seen with high latency (touching 200 ms regularly) in the chart.
Image 2: Site 100 isolated with consistently high latency (implying that subscribers were also experiencing poor QoE)
We then worked with the customer to investigate and identify the possible causes for this issue. Preseem was able to pinpoint the exact time when the issue started. The site had a power outage at that time and this then explained the drastic performance issues. After the client rebooted all networking systems at the site, QoE performance then went up, as shown in the images below.
Image 3: Drastic improvement in latency for sites after the network issue issue was identified and also after devices were rebooted.
Image 4: Site 100 returned to low latency levels (also corresponding improvement in downstream throughput) after network issue was fixed.
Real-time QoE monitoring allows WISPs to identify network issues proactively. This also allows them to take action to keep subscribers happy and avoid support calls and costs. It’s important to know if network elements are up or down (using traditional tools). However, it’s also critical for WISPs to know the quality of data being delivered to customers. This information is available through QoE-based monitoring platforms.
Preseem is a QoE monitoring and optimization platform developed exclusively for WISPs. Click here to book a demo with us today.