Recently, container orchestration technology has been widely adopted by telco companies
in network function virtualization (NFV) architecture. The communication between …

Most softwarized telco services are conveniently framed as service function chains (SFCs).
Indeed, being structured as a combination of interconnected nodes, service chains may …

Abstract The IP Multimedia Subsystem (IMS), already widely recognized as a fundamental
core component of Next Generation Networks (NGNs), enables proliferation of a huge …

Abstract Through Continual Service Improvement (CSI), IT service providers aim at
identifying, documenting, evaluating and prioritising improvement areas in services and …

The demand for various multimedia services has influenced the convergence of existing
communication networks, allowing the integration of multiple traffic types through a single …

End-to-end support for Quality-of-Service (QoS) guarantees is a central and critical issue in
the design of the future integrated services multimedia networks. Due to the bursty nature of …

The delivery of highly available and robust service offerings is a critical objective for Service
Providers. Despite current deployment of IMS-based architectures assumes a vertical …

A Virtual Network Function (VNF) is a software implementation of a network function (eg,
firewall, router, etc.), which can be deployed as Virtual Machines (VM) utilizing the resources …

The Open IMS Core is a testbed environment that allows researchers to experiment with
components of a next generation network, providing open source implementations of the IP …

Next Generation Network (NGN) research initially focused on access network convergence
by harmonizing the session control plane, giving birth to the IP multimedia subsystem (IMS) …