Italian center for Astronomical Archives publishing solution: modular and distributed
Marco Molinaro, Nicola F. Calabria, Robert Butora, Sonia Zorba and, Riccardo Smareglia

TL;DR
The paper presents a modular, distributed solution for astronomical data publishing conforming to VO standards, emphasizing flexibility, scalability, and ease of maintenance for the Italian Astronomical Archives.
Contribution
It introduces a re-architected, modular messaging-based system for VO resource publishing, improving flexibility and adaptability over initial designs.
Findings
Successfully implemented Simple Cone Search protocol with flexible architecture
Demonstrated system adaptability with database backend changes
Developed initial tools for VO protocol management and maintenance
Abstract
The Italian center for Astronomical Archives tries to provide astronomical data resources as interoperable services based on IVOA standards. Its VO expertise and knowledge comes from active participation within IVOA and VO at European and international level, with a double-fold goal: learn from the collaboration and provide inputs to the community. The first solution to build an easy to configure and maintain resource publisher conformant to VO standards proved to be too optimistic. For this reason it has been necessary to re-think the architecture with a modular system built around the messaging concept, where each modular component speaks to the other interested parties through a system of broker-managed queues. The first implemented protocol, the Simple Cone Search, shows the messaging task architecture connecting the parametric HTTP interface to the database backend access module,…
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