Tokyo Gas Triumphs in Cloud Native Case Study Competition
Tokyo Gas Triumphs in Cloud Native Case Study Competition
Company to present digital platform modernization success at KubeCon + CloudNativeCon Japan 2025
The Cloud Native Computing Foundation (CNCF), dedicated to fostering sustainable ecosystems for cloud-native software, has announced **Tokyo Gas** as the victor of the CNCF End User Case Study Contest. Recognized for its innovative application of **Kubernetes**, **Argo CD**, and **Istio** to modernize its largest digital membership platform, Tokyo Gas is set to share its cloud-native journey at KubeCon + CloudNativeCon Japan 2025, taking place in June.
Driving Change through Cloud Native Technologies
The myTOKYOGAS development team at Tokyo Gas initiated a strategic overhaul, navigating the challenges posed by its lift-and-shift cloud migration. Initially restricted by monolithic designs, static virtual machines, and sluggish release tempos, the team aspired to advance scalability and operational efficiency. This shift became ever more vital in the context of the energy retail market's recent deregulation, which underscored the necessity for agility and enhanced customer interactions.
A Journey of Transformation
Yusuke Sugiyama, a software engineer at Tokyo Gas, shared insights on tackling legacy systems, stating, "Modernizing a legacy system is never easy, but by embracing a cloud-native architecture, we have a flexible foundation for long-term innovation to compete in a rapidly changing market." He noted that leveraging Kubernetes, Argo CD, and Istio enabled the company to cut costs while improving customer engagement and operational practices.
Tokyo Gas serves around 13 million customers, and its commitment to integrating cloud-native technologies plays a pivotal role in reducing energy consumption within data centers, furthering its aim of a carbon-neutral future.
Achieving Measurable Results with Microservices
To meet emerging challenges, Tokyo Gas adopted Kubernetes for dynamic scaling, Argo CD to implement GitOps practices, and Istio for a microservices-based framework. These open-source strategies minimized operational burdens and reduced dependency on vendors, fostering a robust platform ready for future demands. Within a few months, a modest team introduced the first microservice, achieving significant milestones:
- 30% cost savings through dynamic scaling with Kubernetes.
- 30% reduction in operational effort through Kubernetes auto-healing.
- Accelerated deployments facilitated by GitOps and Argo CD.
- Substantial reduction in testing time from two months to two weeks utilizing k6 on Kubernetes.
Embracing Open Source for Innovation
Chris Aniszczyk, CTO of CNCF, remarked on Tokyo Gas's accomplishments, stating, "Kubernetes combined with Argo and Istio are transforming how organizations build and operate software at scale. Tokyo Gas exemplifies the possibilities when these technologies are integrated. By prioritizing open source and cloud-native best practices, it has made its systems more agile, sustainable, and prepared for the rapidly changing energy sector."
As the company continues to expand its microservices architecture, its journey is a testament to how open-source technologies can drive both innovation and environmental awareness. Their upcoming presentation at KubeCon + CloudNativeCon Japan is poised to deliver valuable insights for organizations embarking on their cloud-native evolution.
Frequently Asked Questions
1. What award did Tokyo Gas win?
Tokyo Gas won the CNCF End User Case Study Contest for its innovative use of cloud-native technologies.
2. What technologies did Tokyo Gas utilize?
Tokyo Gas leveraged Kubernetes, Argo CD, and Istio to modernize its digital membership platform.
3. How many customers does Tokyo Gas serve?
Tokyo Gas serves approximately 13 million customers in Japan.
4. Where will Tokyo Gas present its findings?
Tokyo Gas will present at KubeCon + CloudNativeCon Japan 2025 in June.
5. What significant results did Tokyo Gas achieve?
The company achieved 30% cost savings and reduced testing time from two months to two weeks.
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