aircannonsinc Chapter 84 Assessment
Chapter 84 Assessment
The third-party evaluation arrived as scheduled.
The testing organization is the Information Technology Testing Center designated by the Provincial Department of Science and Technology, and it is highly authoritative in the industry. Three testing engineers arrived, brought professional testing equipment, and stayed in the pilot area of Xihu District for three days.
Director Zhao personally supervised the event, accompanied by the technical director of the Information Center throughout. Zuo Cheng, along with Ma Hao and Chen Hao, assisted on-site, and Yu Ying also arrived to answer questions regarding sensor accuracy.
"The first day we tested system stability, the second day we tested data accuracy, and the third day we tested extreme scenarios." The head of the evaluation team was a senior engineer in his fifties surnamed Sun, and he spoke very directly. "Mr. Zuo, how long has your system been online?"
"Sixty-three days of operation with zero failures," Zuo Cheng said.
"Okay, let's begin."
The first day's stability test went smoothly. The system ran for eight hours under standard load without any issues. Team Leader Sun checked the box on the record sheet and then requested a high-load stress test.
"We'll triple the sensor reporting frequency to simulate a large-scale deployment scenario," said Team Leader Sun.
Ma Hao adjusted the parameters on the console, increasing the sensor reporting frequency from once every thirty seconds to once every ten seconds. Data traffic surged instantly, but the edge scheduling system automatically activated predictive resource reservation, pre-allocating bandwidth and computing power.
"End-to-end latency was 9.3 milliseconds, and packet loss was zero," Ma Hao reported the data.
Team Leader Sun glanced at the monitoring screen and nodded: "Good. Continue running for another two hours."
Two hours later, the system remained stable. Latency fluctuated between 9 and 11 milliseconds, and the packet loss rate remained zero. Team Leader Sun checked off another box on the log sheet.
The next day, the accuracy of the data was tested. This was Yu Ying's main focus. She led three graduate students to verify the data collected by 200 sensors one by one. They compared the PM2.5 air quality data with the monitoring station data of the Municipal Environmental Protection Bureau, the noise level with the handheld sound level meter, and the traffic flow with manual counting.
"PM2.5 data deviation is within ±3 micrograms per cubic meter, noise data deviation is within ±1.5 decibels, and traffic flow deviation is within ±5%," Yu Ying said, holding the comparison report. "All are better than the accuracy targets promised in the plan."
Team Leader Sun flipped through the report, then looked up at Yu Ying: "You're from Huaxia University of Technology?"
"Yes, I am a doctoral student, and my research focuses on sensor networks and signal processing," Yu Ying said.
"No wonder the data is so solid," Team Leader Sun said truthfully.
The third day was the extreme scenario test, which was also the part Zuo Cheng was most worried about.
Team Leader Sun designed three extreme scenarios: widespread sensor node failure, single-point failure of the edge gateway, and a sudden drop in network bandwidth. Each scenario required testing the system's self-recovery capabilities and data integrity.
In the first scenario, Team Leader Sun requested that 50 sensor nodes be randomly shut down to see if the system could automatically identify and reschedule them.
Ma Hao executed a command on the console, and 50 nodes went offline. The system detected the anomaly within three seconds and automatically reassigned the coverage area tasks of these 50 nodes to neighboring nodes, ensuring uninterrupted data acquisition.
"Sensor fault detection time: 2.8 seconds; task redistribution time: 4.5 seconds; data acquisition was uninterrupted," Ma Hao reported.
"good."
The second scenario involves shutting down an edge gateway to simulate a single point of failure.
Zuo Cheng's heart pounded. The edge gateway is a critical node in the entire system; if a single point of failure leads to widespread data loss, the evaluation results will be significantly compromised.
Ma Hao executed the shutdown command. Gateway 1 went offline, and the 37 sensors it was responsible for instantly lost their aggregation node. However, the system activated the backup route within five seconds, redirecting the data from the 37 sensors to the adjacent Gateway 2.
"The gateway failover time was 5.2 seconds, and the data loss was 0.3%, which is within acceptable limits," Ma Hao reported.
Zuo Cheng breathed a sigh of relief. 0.3% data loss was far below the industry standard.
The third scenario involves compressing network bandwidth to 30% of normal levels to simulate extreme network congestion.
This is the scenario that most tests edge scheduling capabilities. Bandwidth is only one-third of normal, but sensor data continues to be reported. Ma Hao's priority scheduling and predictive reservation are activated simultaneously, with high-priority data transmitted first and low-priority data reported with a delay.
"Latency has increased to 23 milliseconds, high-priority data packet loss rate is zero, and low-priority data packet loss rate is 0.8%," Ma Hao reported.
Team Leader Sun remained silent for a few seconds before writing down the data on the record sheet.
After three days of evaluation, Team Leader Sun compiled the results into a report and handed it to Director Zhao.
"Director Zhao, 402 Technology's smart city pilot system has achieved excellent performance in three dimensions: stability, data accuracy, and resilience to extreme scenarios," said Team Leader Sun. "It's particularly worth mentioning that the end-to-end latency of 9 milliseconds is the lowest we've seen in similar systems."
Director Zhao took the report, flipped through a few pages, and a satisfied look appeared on his face.
"General Manager Zuo, you've done a good job," Director Zhao said. "You can start preparing the plan for city-wide rollout."
Zuo Cheng didn't hide his excitement: "Thank you, Director Zhao."
Emerging from the evaluation site, Ma Hao breathed a sigh of relief: "President Zuo, you passed!"
"It's not over yet," Zuo Cheng said. "The real battle is going to be fought across the entire city. But for now, at least we're qualified to be at the table."
Back in his office, Zuo Cheng closed the door and opened the system panel. The joy of passing the evaluation was still surging in his heart, but he knew he couldn't relax. He glanced at his current points and branch status.
Points: 145. Three branches, two fused leaves.
The synergistic efficiency enhancement of the Internet of Things (IoT) backbone played a crucial role in the evaluation, with an end-to-end latency of 9 milliseconds far exceeding the industry average. The two integrated blades, the Intelligent Adaptive Modulation System and the Intelligent Edge Scheduling System, each with a ×1.2 efficiency bonus, combined together allow the 402 technical solution to outperform all competitors in performance.
The tech tree is 402's biggest secret weapon and Zuo Cheng's deepest trump card.
He shut down the system panel and began drafting a plan for citywide rollout. The pilot area was two square kilometers with 200 sensors. Citywide rollout would cover six districts, requiring at least 5000 sensors and at least 150 edge gateways. This scale of deployment would necessitate more manpower and a more robust operation and maintenance system.
Han Lu knocked and entered: "President Zuo, Director Zhao just called to say that the city wants to submit the Xihu District pilot project as a benchmark smart city project for this year to the province. If it's selected as a provincial demonstration project, there will be additional policy support."
"Good news," Zuo Cheng said. "Keep following up and prepare a copy of the application materials for the province as well."
"clear."
Zuo Cheng looked out the window. The pilot program was just the beginning; the real battle had only just begun.