Telcos pivot to microservices to solve technology debt and AI hurdles
EY analysts advise telecom operators to transition from monolithic architectures to microservice-based systems using TM Forum's Open Digital Architecture. The transition aims to improve network operational efficiency, enable modular integration of AI tools, and facilitate faster service deployment for new revenue-generating applications.
Key Takeaways
- Telstra's July 2026 outage—affecting 45% of calls—traced back to a GPS card failure caused by undocumented design changes and uninstalled software updates.
- Microservice adoption reduced one African operator's contract signing time from one week to just 10 minutes while cutting hardware needs by 40%.
- IDC predicts the global telecom and network API market will reach $6.7 billion in annual revenue by 2028, driven by 5G and edge automation.
- While 85% of operators report using AI, fewer than 30% see a clear ROI, a gap EY attributes to skill shortages rather than technology flaws.
Why It Matters
The transition to microservices directly addresses the 'technology debt' that causes catastrophic failovers like the recent Telstra outage. For the video streaming ecosystem, this shift provides the foundational interoperability required for low-latency edge computing and programmable network APIs. By modularizing Operations Support Systems (OSS), telcos can finally move beyond commoditized connectivity to offer high-velocity, automated services for drones, IoT, and heavy-bandwidth video analytics. Watch for a rise in Agentic AI pilots in H2 2026 as carriers leverage these modular stacks to automate real-time service orchestration and billing.
Additional Context
The push toward modularity gained significant momentum at the TM Forum Accelerate conference in February 2026, where over 200 leaders focused on applying the Open Digital Architecture (ODA) roadmap to AI-native enterprise-grade systems. Per TM Forum, this evolved ODA from a simple cloud-native blueprint into an 'AI-ready execution environment' targeted at securing market relevance by 2030. These architectures are designed to move operators past fragmented pilots toward Level 4+ autonomous networks that are self-optimizing and self-healing, particularly in complex 5G Standalone environments.
Industrial demand for these capabilities is surging as telcos seek to capture the revenue shift from voice and messaging to high-value data insights. Per Mordor Intelligence (July 2026), the global OSS/BSS market was valued at $24.7 billion in 2025 and is projected to reach $54.06 billion by 2031. This growth is heavily driven by cloud-native migrations, which are expected to expand at an 17.55% CAGR. These modern systems are essential for managing the 'Race to 2030,' a directive tasking operators with deploying code-proven architectures that can integrate satellite and terrestrial networks.
Recent commercial implementations underscore the practical benefits of this shift. In early 2026, vendor SynaXG partnered with Red Hat and OREX SAI to demonstrate an AI-augmented Radio Access Network (AI-RAN) that leverages common APIs. This project allows same-hardware hosting for both 5G workloads and edge AI applications, such as real-time video analytics and autonomous driving. Such deployments suggest that the path to ROI for legacy telcos lies in consolidating underutilized hardware through flexible, microservice-led orchestration layers.
Read full article at sdxcentral.com
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