Resource management in a cloud environment is a hard problem, due to: the scale of
modern data centers; the heterogeneity of resource types and their interdependencies; the …

Over the years middleboxes have become a fundamental part of today's networks. Despite
their usefulness, they come with a number of problems, many of which arise from the fact …

NetVM brings virtualization to the Network by enabling high bandwidth network functions to
operate at near line speed, while taking advantage of the flexibility and customization of low …

As a recent innovation, network functions virtualization (NFV)—with its core concept of
replacing hardware middleboxes with software network functions (NFs) implemented in …

Since the Spectre and Meltdown disclosure in 2018, the list of new transient execution
vulnerabilities that abuse the shared nature of microarchitectural resources on CPU cores …

Virtualization promised to dramatically increase server utilization levels, yet many data
centers are still only lightly loaded. In some ways, big data applications are an ideal fit for …

The energy consumption of cloud data centers has been growing drastically in recent years.
In particular, CPUs are the most power hungry components in the data center. On the one …

The traffic load sent to key-value (KV) stores varies over long timescales of hours to short
timescales of a few microseconds. Long-term variations present the opportunity to save …

Public clouds have become a popular platform for building Internet-scale applications. Using
virtualization, public cloud services grant customers full control of guest operating systems …

The traditional" trap and emulate" I/O paravirtualization model conveniently allows for I/O
interposition, yet it inherently incurs costly guest-host context switches. The newer" sidecore" …