Deutsche Telekom

Deutsche Telekom (DT) is one of the largest telecommunications providers in Europe, offering a wide range of services, including mobile communications, broadband, and fixed-line internet.

Case Details

Clients: Deutche Telekom

Period: May 2019 – Current

Tags: Telecommunications, Internet Services

Project Duration: 6 years+

Client Website: www.telekom.de

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The Story

Deutsche Telekom (DT) is one of the largest telecommunications providers in Europe, offering a wide range of services, including mobile communications, broadband, and fixed-line internet. With a reputation for innovation and reliability, DT is a key player in connecting millions of people and businesses across Germany and beyond.

At the heart of DT’s operations lies DTAG SEAL, an architectural solution that serves as the backbone of their provisioning, maintenance, and inventory systems. SEAL handles all business-critical requests, ensuring that customer demands are met efficiently and accurately. As DT expands its reach, leveraging copper and fiber internet technologies, SEAL plays a crucial role in maintaining seamless operations.

The Challenges

Operating at the scale of Deutsche Telekom presents unique challenges:

High Stakes in Production

Production issues can result in substantial financial losses and disrupt services for millions of customers. Minimizing errors and downtime was a top priority.

Diverse Vendor Ecosystem

DT values a multi-vendor approach to avoid dependency on a single provider. This results in a complex network of varying elements, each requiring seamless integration. All use cases and workflows needed to function uniformly across diverse vendor systems.

Stringent Security Requirements

As one of Germany’s largest internet providers, maintaining robust security protocols was non-negotiable. The architecture needed to safeguard sensitive data and protect against potential cyber threats.

The Solution

Initially engaged for Quality Assurance (QA), our team was instrumental in identifying and addressing production issues within SEAL. By implementing systematic testing processes and proactive monitoring, we significantly reduced the occurrence of bugs and eliminated production disruptions. Key steps included:

Enhanced QA Systems:
We introduced rigorous automated and manual testing frameworks, enabling comprehensive validation of workflows across all vendor systems. This ensured a uniform experience for all network elements, regardless of the provider.
Proactive Issue Mitigation:
Our QA team worked closely with DT to identify potential bottlenecks and vulnerabilities before they reached production, preventing costly disruptions.

Building on this success, our role expanded beyond QA. Recognizing our deep understanding of SEAL and DT’s business requirements, the client entrusted us with software development responsibilities. This transition included:

Collaborative Requirement Design:
Working alongside DT, we helped in designing business requirements to align with their operational goals and customer expectations.
Seamless Implementation:
Our development team implemented these requirements with precision, ensuring they met the highest standards of quality and security.

Through our partnership, DT has experienced:

Significant Reduction in Production Issues:
Operational efficiency has improved, resulting in better customer experiences and reduced financial risks.
Streamlined Multi-Vendor Compatibility:
SEAL now operates seamlessly across all vendor systems, upholding DT’s commitment to vendor diversity.
Enhanced Security Measures:
Robust security protocols protect DT’s infrastructure and customer data from emerging threats.

Deutsche Telekom has expressed high satisfaction with our contributions, valuing the proactive and collaborative approach we bring to the table. Our ongoing partnership continues to drive innovation and operational excellence within DTAG SEAL and beyond.

Used Tools

– JAVA 8 with migration done to 17
– Robot Framework
– GroovyScript
– Javascript
– Kafka
– Maven
– ActiveMQ
– JIRA
– RedHat Management
– Docker
– Kubernetes

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