The IP Multimedia Subsystem (IMS) was specified as the application and service delivery platform of 3G telecommunication systems. It became the service delivery platform of 4G systems, and is now a strong contender for 5G systems.  However, it has several well documented deficiencies (e.g. scalability, elasticity).

The Cloud Architectures for Scalable and ElaStic IMS (CLASSI – IMS) project started in 2014. It aims at the design, prototyping, and performance evaluation of architectures for scalable and elastic IMS.  We will introduce platforms as a service (PaaS) that will enable the provisioning of scalable and elastic IMS functional entities and networks. We will also research the corresponding Infrastructure as a Service (IaaS).

 

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