Results 81 to 90 of about 5,262 (215)

Tracing ext3 file system operations in the QEMU emulator

open access: yesТруды Института системного программирования РАН, 2018
The paper proposes an approach to monitoring file operations through capturing virtual disk accesses in the emulator. This method allows obtaining information about file operations in the OS-agnostic manner but requires a separate implementation for each
V. M. Stepanov   +2 more
doaj  

Impact of Xen and Virtual Box Virtualization Environments on Timing Precision under Stressful Conditions

open access: yesMATEC Web of Conferences, 2018
Sharing physical resources among virtual instances introduces time overhead in comparison with direct access to hardware. Such lag is not significant for most of the everyday tasks however it can influence much more in dealing with time-critical ...
Korniichuk Mykola   +6 more
doaj   +1 more source

PTfuzz: Guided Fuzzing With Processor Trace Feedback

open access: yesIEEE Access, 2018
Greybox fuzzing, such as american fuzzy lop (AFL), is very efficient in finding software vulnerability, which makes it the state-of-the-art fuzzing technology.
Gen Zhang   +4 more
doaj   +1 more source

Predicting financial markets with Google Trends and not so random keywords

open access: yes, 2013
We check the claims that data from Google Trends contain enough data to predict future financial index returns. We first discuss the many subtle (and less subtle) biases that may affect the backtest of a trading strategy, particularly when based on such ...
Ayed, Ahmed Bel Hadj, Challet, Damien
core   +3 more sources

Building Resilient Cloud Over Unreliable Commodity Infrastructure

open access: yes, 2012
Cloud Computing has emerged as a successful computing paradigm for efficiently utilizing managed compute infrastructure such as high speed rack-mounted servers, connected with high speed networking, and reliable storage.
Bansal, Sorav   +3 more
core   +1 more source

QLOOP: Linux driver to mount QCOW2 virtual disks [PDF]

open access: yes, 2010
Development of a Linux module that converts a QCOW2 file (a disk image format employed by QEMU and KVM projects) into a block ...
Zacarias Ribot, Francesc
core  

More Accurate Estimation of Working Set Size in Virtual Machines

open access: yesIEEE Access, 2019
Accurate working set size estimation is important to increase the consolidation ratio of data centers and to improve the efficiency of live migration. Thus, it is important to come up with a technique that provides an accurate estimation of the working ...
Ahmed A. Harby   +2 more
doaj   +1 more source

Virtual TPM for a secure cloud: fallacy or reality? [PDF]

open access: yes, 2014
The cloud technology has dramatically increased the virtualisation usage during the last years. Nevertheless, the virtualisation has also imposed some challenges on the security of the cloud.
Cucurull, Jordi, Guasch, Sandra
core  

On the Fly Orchestration of Unikernels: Tuning and Performance Evaluation of Virtual Infrastructure Managers

open access: yes, 2018
Network operators are facing significant challenges meeting the demand for more bandwidth, agile infrastructures, innovative services, while keeping costs low.
Lombardo, Francesco   +6 more
core   +1 more source

Automatic uninitialized value usage detection during full-system emulation

open access: yesТруды Института системного программирования РАН, 2018
Developed method, which is described in this paper, is capable of automated detection of uninitialized values within the scope of full-system emulation.
N. A. Belov
doaj   +1 more source

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