In Smart Manufacturing, Even One Minute of Downtime Is Too Long
In today's 24/7 manufacturing environment, even a single minute of interruption in quality monitoring, equipment data collection, or SPC dashboards can lead to missed abnormalities, uncontrolled process variation, and potentially significant losses caused by large batches of defective products.
As a leading SPC solution recognized by the manufacturing industry for multiple consecutive years, NexSPC (formerly Simple SPC) has always focused on providing practical, reliable, and enterprise-grade quality management solutions.
Today, we are introducing a major technological milestone:
NexSPC Enterprise Edition
Featuring a newly designed High Availability Architecture, Bingo SPC Enterprise Edition delivers industrial-grade reliability through a dual-server cluster designed to achieve true zero-downtime SPC operations.

Why High Availability Matters in SPC
SPC is no longer just a statistical analysis tool.
In modern factories, SPC systems are responsible for:
- Real-time process monitoring
- Automated quality alarms
- Equipment data acquisition
- Process capability analysis
- Shop-floor dashboards
- Traceability records
When SPC stops, quality visibility stops.
For manufacturers operating automated production lines, downtime is simply not an option.
1. Peer-to-Peer Dual-Active Architecture
NexSPC Enterprise Edition adopts a decentralized architecture that provides redundancy across:
- Network Layer
- Database Layer
- File Layer
All critical components are synchronized in real time between two servers, ensuring continuous operation even when hardware failures occur.
1.1 Network Layer: Seamless Failover with Keepalived
At the network layer, NexSPC Enterprise Edition integrates Keepalived to create a hot standby cluster.
Both servers are deployed as equal peers and share a single Virtual IP (VIP).
When the primary service node experiences an unexpected failure, the secondary node automatically takes over the VIP within seconds.
Benefits include:
- Automatic disaster recovery
- Seamless failover
- Continuous data acquisition
- Uninterrupted SPC dashboards
- No manual intervention required
For shop-floor users and production systems, the switch occurs so quickly that it is virtually invisible.
1.2 Database Layer: Active-Active MySQL Replication
At the database level, NexSPC Enterprise Edition adopts an Active-Active MySQL architecture.
Both servers:
- Operate as master nodes
- Support simultaneous read/write operations
- Replicate data continuously using GTID-based synchronization
This means that if one server unexpectedly loses power, all quality data already exists on the second server in real time.
Key advantages include:
- Real-time bidirectional synchronization
- Data consistency
- Data integrity
- High reliability
- Continuous operation
Your quality data remains fully protected at all times.
1.3 File Layer: Real-Time Synchronization with Unison
Modern SPC systems manage large amounts of files, including:
- Control chart reports
- Inspection images
- Quality documentation
- Statistical analysis reports
To ensure complete synchronization, NexSPC Enterprise Edition uses Unison, a high-performance peer-to-peer file synchronization solution.
Unlike traditional master-slave synchronization methods, Unison provides:
- Bidirectional synchronization
- Real-time updates
- Equal peer architecture
- Automatic conflict handling
Any file created or modified on one server is instantly synchronized to the other.
This eliminates the risk of file loss, synchronization delays, and incomplete backups.
Enterprise Licensing Without Double Costs
Many software vendors charge twice as much when customers require high-availability deployment.
NexSPC Enterprise Edition takes a different approach.
Dual-Server Authorization Included
A single Enterprise Edition license includes authorization for both servers required to build a high-availability cluster.
Customers can deploy:
- Two physical servers
- Two virtual servers
- Active-active redundancy
without purchasing an additional software license.
Perpetual Licensing
Like all NexSPC products, Enterprise Edition continues our popular perpetual licensing model.
Benefits include:
- One-time purchase
- No annual subscription fees
- No hidden software renewal costs
Unlimited Usage
Even under a dual-server architecture, NexSPC Enterprise Edition continues to provide:
- Unlimited users
- Unlimited concurrent users
- Unlimited inspection characteristics
- Unlimited SPC dashboards
making it ideal for enterprise-wide quality management initiatives.
Full SPC 4.0 Quality Engineering Capabilities Included
In addition to its advanced high-availability architecture, NexSPC Enterprise Edition includes the complete quality engineering toolkit available in Bingo SPC 4.0.
Comprehensive Control Chart Support
The system supports all major SPC chart types, including:
- I-MR Charts
- Xbar-R Charts
- Xbar-S Charts
- P Charts
- U Charts
It also includes:
- 13 built-in SPC detection rules
- Eight standard Western Electric-style abnormality rules
- Flexible inspection group management
One-Click Professional SPC Reporting
Generate professional reports within seconds, including:
- Cp / Cpk Analysis
- Pp / Ppk Analysis
- PPM Reports
- Normality Testing
- Box Plots
- Regression Analysis
- Correlation Analysis
These capabilities provide functionality comparable to expensive desktop statistical analysis software.
Integrated MSA Studies
Built-in Measurement System Analysis (MSA) tools include:
- Gage R&R (Crossed and Nested)
- Linearity Studies
- Bias Studies
- Attribute Agreement Analysis
Supporting compliance with major quality management standards and audit requirements.
Industrial IoT Data Collection
NexSPC Enterprise Edition supports automated data acquisition through:
- MQTT
- HTTP APIs
- TCP Listeners
- Excel Imports
The platform can connect directly to:
- Industrial weighing systems
- Bluetooth micrometers
- Inspection instruments
- PLC systems
- Automated production equipment
enabling real-time quality monitoring and instant abnormality alerts.
AI-Powered Quality Intelligence
The system supports:
- Public AI models
- Private AI deployments
- DeepSeek integration
- Intelligent abnormality analysis
AI capabilities assist users by:
- Identifying abnormal patterns
- Investigating root causes
- Recommending corrective actions
- Accelerating continuous improvement
Multi-Language Support
NexSPC Enterprise Edition supports 11 languages, including:
- English
- Chinese
- Japanese
- Korean
and additional languages for global manufacturing operations.
Flexible Alert Notifications
Quality alerts can be delivered through:
- WeCom
- DingTalk
- Feishu (Lark)
- APIs
- MQTT
allowing both personnel and automated systems to respond immediately.
Powerful Real-Time Dashboards
The platform includes multiple dashboard types:
- Real-Time SPC Dashboards
- Quality Overview Dashboards
- Executive KPI Dashboards
- Statistical Analysis Dashboards
ensuring that operators, engineers, and management all have access to the information they need.
Built for Mission-Critical Manufacturing
As our engineering team summarizes:
"By combining Active-Active MySQL replication, Keepalived-based failover, and peer-to-peer file synchronization, NexSPC Enterprise Edition delivers continuous operation, real-time data consistency, and second-level disaster recovery."
This is more than a technical achievement.
It is a commitment to helping manufacturers maintain uninterrupted quality control, demonstrate enterprise-grade reliability to customers, and build a more resilient supply chain.
Conclusion
If you are looking for an SPC platform that combines:
√ Professional statistical analysis
√ Enterprise-grade high availability
√ Industrial IoT connectivity
√ AI-powered quality intelligence
√ 24/7 uninterrupted operation
√ Private on-premises deployment
then NexSPC Enterprise Edition is designed for your manufacturing future.
Zero Downtime. Real-Time Quality Control. Enterprise-Class Reliability.