This is a series of blog post from Tekai's personnel sharing their past working experience and how those experience can help Tekai's future clients.

Project Overview

The project was carried out at a leading technology enterprise focusing on the development of an advanced 5G system. This system handles core operations such as call switching, billing, messaging, and ensuring superior call quality via VoLTE. It is designed to operate in real-time, processing large-scale data with a reliability rate of 99.99%.

Key modules of the system include:

• Configuration management.

• Call flow routing.

• Radar signal routing.

• VoLTE call quality management.

Technology and Development Team

The development team, consisting of 15+ skilled members, utilized cutting-edge technologies:

• Backend: Python, Erlang, Golang, Kafka, Mnesia, SOAR, REST, Linux.

• Frontend: Angular, ReactJS, Java JSP.

• DevOps: Jenkins, Docker, ELK Stack, Kubernetes.

Project Highlights

The project demonstrated unique characteristics, including:

• Large-scale and integrated system:

Designed to process real-time data at high volumes within short intervals, ensuring comprehensive integration and reliability.

• Complex algorithms and data management:

Leveraging advanced algorithms and data structures to handle signal processing and message flow routing.

• Rigorous release and feature control processes:

Comprehensive test cases created collaboratively by developers and testers.

A combination of manual and automated testing to ensure functionality stability.

Incremental feature releases with extensive load testing to maintain error-free production environments.

• Real-time synchronization and backup systems: Implemented robust data and packet backup strategies to ensure uninterrupted system operations even in unforeseen disruptions.

Challenges and Solutions

Real-time data processing: Successfully employed distributed systems and flexible network infrastructures.

System stability under heavy load: Utilized performance testing tools to evaluate system behavior under maximum load conditions.

Lessons Learned

This project provided several key takeaways:

• Proactiveness: Early identification of potential issues and proposing effective solutions.

• Requirement analysis: Clear understanding of client and user requirements to prevent scope changes.

• Adaptability: Flexibility to embrace changes in technology and project objectives.

• Technology selection: Choosing optimal tools and frameworks to ensure scalability and reliability.

• Team collaboration: Strengthening teamwork in high-pressure environments to achieve project goals.

Conclusion

The 5G system project showcased a seamless blend of advanced technology, meticulous planning, and effective collaboration. Its success underscores the importance of proactivity, rigorous testing, and adaptive methodologies, setting a robust foundation for tackling future technological challenges.