FOLS is an iPMS (integrated property management system) developed by AccorHotels. It is completely interfaced with Accor distribution solutions (reservation, planning, price, pre-payment…) and with most of the business solutions which meet hoteliers’ needs (CRM, distribution, accountability, electronic money) Thus, FOLS offers a full functional coverage and allows a simple and efficient hotel management.

Apache Kafka is a distributed event store and stream-processing platform. It is an open-source system developed by the Apache Software Foundation written in Java and Scala. The project aims to provide a unified, high-throughput, low-latency platform for handling real-time data feeds. Kafka can connect to external systems (for data import/export) via Kafka Connect, and provides the Kafka Streams libraries for stream processing applications.