Elasticity is a fundamental property in cloud computing that has recently witnessed major
developments. This article reviews both classical and recent elasticity solutions and …

Web application providers have been migrating their applications to cloud data centers,
attracted by the emerging cloud computing paradigm. One of the appealing features of the …

Performance unpredictability is a major roadblock towards cloud adoption, and has
performance, cost, and revenue ramifications. Predictable performance is even more critical …

User-facing, latency-sensitive services, such as websearch, underutilize their computing
resources during daily periods of low traffic. Reusing those resources for other tasks is rarely …

Cloud computing promises flexibility and high performance for users and high cost-efficiency
for operators. Nevertheless, most cloud facilities operate at very low utilization, hurting both …

Large-scale datacenters (DCs) host tens of thousands of diverse applications each day.
However, interference between colocated workloads and the difficulty to match applications …

High energy consumption has become a growing concern in the operation of complex cloud
data centers due to the ever-expanding size of cloud computing facilities and the ever …

Edge computing is an emerging paradigm for the increasing computing and networking
demands from end devices to smart things. Edge computing allows the computation to be …

Ensuring the quality of service (QoS) for latency-sensitive applications while allowing co-
locations of multiple applications on servers is critical for improving server utilization and …

Users of cloud services are presented with a bewildering choice of VM types and the choice
of VM can have significant implications on performance and cost. In this paper we address …