Abstract Wireless Body Area Networks (WBANs) deal with variety of healthcare services with
diverse Quality of Service (QoS) requirements. However, QoS handling is a challenging …

In the context of Network Function Virtualization (NFV), Network Services (NS) are realized
by interconnecting Virtual Network Functions (VNF) using Virtual Links (VL). Service …

This paper proposes a Session Initiation Protocol (SIP) message classification and
prioritization scheme. This three-priority classification of SIP messages is implemented in …

Network Function Virtualization (NFV) is utilized to simplfy the deployment and management
of constantly evolving and highly complex networking services. In this paper, we propose a …

The security of telecommunications infrastructures is a major issue for satisfied it in terms of
confidentiality, integrity, availability and in terms of quality of services (QoS) and it is difficult …

VoLTE (Voice over LTE) based on the IP Multimedia Subsystem (IMS) architecture provides
real-time and multimedia communications services in 4G. To provide telecom-grade …

In legacy computer systems, network functions (eg, routers, firewalls, etc.) have been
provided by specialized hardware appliances to realize Network Services (NS). In recent …

Abstract The IP Multimedia Subsystem (IMS) framework is a Next Generation Network (NGN)
technology which enables telecommunication operators to provide multimedia services over …

For the actual use of existing security problems and lack of existing solutions for cloud
computing, we introduce the SLA (Service Level Agreement) ideas to the security capability …

Abstract The 3GPP IP Multimedia Subsystem (IMS) specified as the service delivery platform
of 3G networks. Later this aim is updated by 3GPP, 3GPP2 and TISPAN for supporting …