Fog computing, an extension of cloud computing services to the edge of the network to
decrease latency and network congestion, is a relatively recent research trend. Although …

Availability is a non-functional requirement defined as the percentage of time a system or a
service is accessible. This percentage determines the acceptable total outage time for any …

Recent years have seen the massive migration of enterprise applications to the cloud. One
of the challenges posed by cloud applications is Quality-of-Service (QoS) management …

In a large Infrastructure-as-a-Service (IaaS) cloud, component failures are quite common.
Such failures may lead to occasional system downtime and eventual violation of Service …

Accurate performance evaluation of cloud computing resources is a necessary prerequisite
for ensuring that quality of service parameters remain within agreed limits. In this paper, we …

Cloud computing has become increasingly popular by obviating the need for users to own
and maintain complex computing infrastructures. However, due to their inherent complexity …

During the past years, sending data to the cloud servers was a prominent trend, making the
cloud computing paradigm dominate the technology landscape. However, the internet of …

As server virtualization is used in a number of IT systems, the unavailability of virtual
machines (VM) on server virtualized systems becomes a significant concern. Software …

The growth of mobile cloud computing (MCC) is challenged by the need to adapt to the
resources and environment that are available to mobile clients while addressing the …

Byzantine fault-tolerant (BFT) systems are able to maintain the availability and integrity of IoT
systems, in the presence of failure of individual components, random data corruption or …