Presence and Availability Service at the Network Edge
Evelina Nikolova Pencheva, Ivaylo Ivanov Atanasov, Vladislav G. Vladislavov, Ventsislav G. Trifonov · 2021
Presence service enables to publish, store, and access presence information. Usually, it is used by humans along with voice and instant messaging services, but with the ubiquitous penetration of machine type communications it may by used also by smart devices. The paper presents a RESTful Presence service which may be deployed at the network edge. The main benefits are that the proposed service does not require deployment of Internet Protocol Multimedia Subsystem and saves network resources. In addition to information provided by the presentity, the service enables extension of published presence status with information provided by the radio access network.