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Trans Austria Gasleitung Moves to AWS to Fuel Innovation and Growth

Trans Austria Gasleitung (TAG) GmbH is a Transmission System Operator in Austria and the main artery of the natural gas network in central Europe. TAG also delivers about one-third of Italy’s total gas supply. The TAG pipeline network consists of about 1,140 km high-pressure natural gas pipes for the transport of natural gas from the Slovakian/Austrian border to the Austrian/Italian border. More than 30 billion cubic meters of natural gas are transported through the pipeline system of TAG GmbH every year.

The Challenge

To keep pace with growth while optimizing its business-critical workloads, such as a workforce management platform, data management, and reporting applications, TAG needed to upgrade their traditional data centers with limited scalability and significant operational overhead.

TAG was also pursuing a B2B commercial negotiation software-as-a-service (SaaS) solution, based on SAP technology and previously provided by a third party, so they needed a reliable infrastructure that could scale applications easily, maintain high availability, and reduce costs.

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The Approach

TAG worked with Avvale to define a migration strategy towards AWS Cloud in less than two months. In addition to designing the migration strategy, Avvale analyzed the main needs and the most appropriate native services and architectures.

The migration included the following systems: SAP ERP, a workforce management platform, data management and reporting applications, a commercial dispatching solution, a geographic information system (GIS) applications, the institutional website, and an employee portal.

Since TAG maintains some IT services on-premises to support physical servers located at stations along the pipelines, Avvale recommended an advanced hybrid cloud architecture to efficiently connect cloud and physical environments. 

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The Impact

By moving to the cloud, TAG gained the scalability and opportunity to deploy on-demand compute capacity when needed, ensuring high availability for business-critical applications and meeting strict SLA parameters.

With on-demand flexibility annual maintenance costs were decreased by more than a third and yearly costs for its formerly on-premises B2B solution were reduced by up to 45%. With improved service levels, TAG developed a dynamic capacity management concept, using scale up/down, autoscaling, start/stop, reservations methodologies, and more serverless computing. Compared to a traditional approach to IT capacity management, this concept has provided a 25% annual savings. 

The company began using microservices and Lambda functions to improve the resilience of data automation flows and to develop next-generation data analytics as well as data governance architecture. Additionally, TAG is gradually introducing AWS development tools and processes to maximize the use of AWS managed services.

Overall the introduced IT innovation enabled enhancement of its service delivery as the IT teams could focus more on innovation rather than operations management of IT infrastructure.

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