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Cloud & Automation: Changing CSPs’ OpEx outlook
A consortium of telcos, including Torry Harris and other participants, initiated a TM Forum Catalyst project to enhance interoperability between TM Forum Open APIs and MEF standards.
Telcos faced challenges in exposing APIs that support interoperability between industry standards, specifically TM Forum and MEF. Despite efforts to align these standards, telcos still needed to develop and manage two sets of APIs with different specifications, leading to increased complexity, longer integration times, and higher operational costs.
The Catalyst team implemented "Coupler" as a business orchestration layer with Torry Harris API Manager (TH-APIM), creating a unified service exposure layer. This enabled customers to access a single API supporting both TM Forum Open APIs and MEF standards via a unified Swagger specification. It also ensured seamless service interoperability, integrated systems, and provided built-in security and centralized management for streamlined configuration and oversight.
As part of their digital transformation journey, telcos must expose APIs that enable interoperability across industry standards for seamless service delivery. Two of the leading standards in telecom APIs are TM Forum and MEF. In October 2020, these organizations expanded their long-standing partnership by aligning their API standards—TM Forum Open APIs and MEF LSO Sonata APIs—to automate B2B services and offer end-users a similar experience to purchasing from cloud providers.
While this alignment was a significant step forward, telcos still face the challenge of developing and exposing two separate API sets, each with different Swagger specifications for the respective standards. This creates hurdles in integration timelines, conformance with varying standards, and managing multiple API versions. The complexity increases when multiple standards are required, resulting in two sets of APIs for the same process but with different payloads, ultimately raising operational costs.
To address this, the key to successful API interoperability is reducing the time required to expose a single, secure API that can support both TM Forum Open APIs and MEF payloads. A group of telcos, in collaboration with Torry Harris and other industry participants, launched a TM Forum Catalyst project to drive this initiative forward. The intended outcome was to create an API orchestration and composition layer that securely exposed API endpoints for provisioning of inter-carrier services and global carrier interoperability.
The Catalyst team deployed Coupler as the business orchestration layer and Torry Harris API Manager (TH-APIM) (formally DigitMarketTM API Manager) as the service exposure layer.
Torry Harris API Manager (TH-APIM) provided built-in security and served as a central platform for managing all configuration and management activities.
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