Federation of clouds is the future of cloud computing, mobile cloud computing, Internet of
things, and big data applications. The utilization of federated resources is envisioned to …

In recent years, Storm, an open source distributed real-time computation system, has gained
significant amount of popularity in cloud computing industry due to its high reliability and …

Systems enabling the continuous processing of large data streams have recently attracted
the attention of the scientific community and industrial stakeholders. Data Stream Processing …

Storm is a distributed stream processing system that has recently gained increasing interest.
We extend Storm to make it suitable to operate in a geographically distributed and highly …

Following recent technological advancements in software systems, like microservices,
containers and cloud systems, DevOps has risen as a new development paradigm. Its aim is …

Monitoring is a key feature to enhance systems with the capability to anticipate, detect,
predict, and mitigate failures, while providing Quality of Service (QoS) monitoring and …

Fault tolerance is becoming increasingly important for upcoming exascale systems,
supporting distributed data processing, due to the expected decrease in the Mean Time …

VM startup time is an essential factor in designing elastic cloud applications. VM autoscaling
can reduce the under-/over-provisioning period of VMs with a precise estimation of VM …

Cloud services must be continuously monitored to guarantee that misbehaviors can be
timely revealed, compensated, and fixed. While simple applications can be easily monitored …

The management of distributed systems infrastructure requires dedicated set of tools. The
one tool that helps visualize current operational state of all systems and notify when failure …