Filters








638 Hits in 2.4 sec

On fault resilience of OpenStack

Xiaoen Ju, Livio Soares, Kang G. Shin, Kyung Dong Ryu, Dilma Da Silva
2013 Proceedings of the 4th annual Symposium on Cloud Computing - SOCC '13  
Our findings shed light on defects in the design and implementation of state-of-the-art cloudmanagement stacks from a fault-resilience perspective.  ...  This paper presents a systematic study of the fault resilience of OpenStack-a popular open source cloud-management stack.  ...  The work reported in this paper was supported in part by the US Air Force Office of Scientific Research under Grant No. FA9550-10-1-0393.  ... 
doi:10.1145/2523616.2523622 dblp:conf/cloud/JuSSRS13 fatcat:ywt6upbnhrdwtnfh2okzcvwxsu

A Methodology for Continuous Evaluation of Cloud Resiliency

Long Wang, Tiancheng Liu, Yue Zhang, Xiaoyong Yuan
2016 American Journal of Engineering and Applied Sciences  
Our experiment results on OpenStack cloud platform show that resiliency of OpenStack is needed to be improved especially in heavy workloads.  ...  With the growth of cloud computing, resiliency of cloud is critical for enterprises' business. However, the continuous-changing of cloud makes evaluation of cloud resiliency more difficult.  ...  Acknowledgement We thank Yanqi Wang for her discussions about the OpenStack resiliency, which is quite valuable for our understanding of OpenStack and experiment setup.  ... 
doi:10.3844/ajeassp.2016.264.273 fatcat:xwywkfcikzejfdics5tbewz6pq

Experimental Assessment of Cloud Software Dependability Using Fault Injection [chapter]

Lena Herscheid, Daniel Richter, Andreas Polze
2015 IFIP Advances in Information and Communication Technology  
When testing resiliency by means of fault injection, the representativeness of the emulated faults should be of major concern.  ...  Our approach is targeted at testing a wide range of software artifacts: OpenStack services themselves, as well as applications deployed on top of OpenStack IaaS, get tested.  ... 
doi:10.1007/978-3-319-16766-4_13 fatcat:6rzcbdwtf5eoho44tneavcydue

Resilient deployment of virtual network functions

Marcus Scholler, Martin Stiemerling, Andreas Ripke, Roland Bless
2013 2013 5th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT)  
We have based our prototype on OpenStack and have identified some shortcomings of it that need to be overcome to make an automated resilienceaware deployment and operation system reality.  ...  These services are usually composed from a set of components, each with individual resilience and scalability requirements.  ...  ACKNOWLEDGMENT The research presented in this paper has been funded by the European Commission in the context of the Research Framework Program Seven (FP7) project SECCRIT (Grant Agreement No. 312758).  ... 
doi:10.1109/icumt.2013.6798428 dblp:conf/icumt/SchollerSRB13 fatcat:zhf3wnizpfh6dd7gxtqr7mpotq

Network Function Virtualization: Challenges and Directions for Reliability Assurance

D. Cotroneo, L. De Simone, A.K. Iannillo, A. Lanzaro, R. Natella, Jiang Fan, Wang Ping
2014 2014 IEEE International Symposium on Software Reliability Engineering Workshops  
In this paper, we discuss the challenges for reliability in NFVIs, and present an industrial research project on their reliability assurance, which aims at developing novel fault injection technologies  ...  Nevertheless, the "softwarization" of network functions imposes software reliability concerns on future networks, which will be exposed to software issues arising from virtualization technologies.  ...  Fault Injection Testing of Cloud Management Stack A systematic study on fault resilience of OpenStack [15] is reported in [18] .  ... 
doi:10.1109/issrew.2014.48 dblp:conf/issre/CotroneoSILNFP14 fatcat:dlpy6x3hjjbllcw3aha4hzr4cy

Design of a small-scale and failure-resistant IaaS cloud using OpenStack

Samuel Heuchert, Bhaskar Prasad Rimal, Martin Reisslein, Yong Wang
2021 Applied Computing and Informatics  
boundaries.Originality/valueThe authors adopt the multinode-capable PackStack utility in favor of an all-in-one OpenStack build for a true demonstration of resiliency, elasticity and scalability in a  ...  of resiliency and elasticity in IaaS and PaaS, the authors design a private distributed system cloud platform using OpenStack and its core services of Nova, Swift, Cinder, Neutron, Keystone, Horizon and  ...  ACI Although OpenStack in the capacity demonstrated in this paper may not be ideal for all deployments, the concept of using a highly-supported and developed tool on a small scale presents many advantages  ... 
doi:10.1108/aci-04-2021-0094 fatcat:teu2sdq25jburh43uy3eodc2gy

How bad can a bug get? an empirical analysis of software failures in the OpenStack cloud computing platform

Domenico Cotroneo, Luigi De Simone, Pietro Liguori, Roberto Natella, Nematollah Bidokhti
2019 Proceedings of the 2019 27th ACM Joint Meeting on European Software Engineering Conference and Symposium on the Foundations of Software Engineering - ESEC/FSE 2019  
In this paper, we investigate the impact of failures in the context widespread OpenStack cloud management system, by performing fault injection and by analyzing the impact of the resulting failures in  ...  system, which call for more thorough run-time checks and fault containment.  ...  We are grateful to Alfonso Di Martino for his help in the early stage of this work.  ... 
doi:10.1145/3338906.3338916 dblp:conf/sigsoft/CotroneoSLNB19 fatcat:4fkudetaj5bilp7n2gkhttfbqq

LUMEN: A global fault management framework for network virtualization environments

Sihem Cherrared, Sofiane Imadali, Eric Fabre, Gregor Goessler
2018 2018 21st Conference on Innovation in Clouds, Internet and Networks and Workshops (ICIN)  
LUMEN includes the canonical steps of the fault management process and proposes a monitoring solution for all types of Network virtualization Environments.  ...  Network Function Virtualization (NFV) is one promising attempt at solving some of those challenges that were widely adopted by the industry and the standardization bodies.  ...  Acknowledgment Authors would like to thank their colleague, Ayoub Bousselmi, for his early review of the paper.  ... 
doi:10.1109/icin.2018.8401622 dblp:conf/icin/CherraredIFG18 fatcat:mzuk2f6oibbyfktoauq4zv54ca

Hansel

Dhruv Sharma, Rishabh Poddar, Kshiteej Mahajan, Mohan Dhawan, Vijay Mann
2015 Proceedings of the 11th ACM Conference on Emerging Networking Experiments and Technologies - CoNEXT '15  
We present HANSEL, a system that leverages non-intrusive network monitoring to expedite root cause analysis of such faults manifesting in OpenStack operations.  ...  With majority of the world's data and computation handled by cloud-based systems, cloud management stacks such as Apache's CloudStack, VMware's vSphere and OpenStack have become an increasingly important  ...  In this paper, we focus on the problem of automatically determining the cause of such hard to diagnose faults manifesting in OpenStack operations.  ... 
doi:10.1145/2716281.2836108 dblp:conf/conext/SharmaPMDM15 fatcat:zcjbvji7hzhffardn2duzegtnu

ThorFI: A Novel Approach for Network Fault Injection as a Service [article]

Domenico Cotroneo, Luigi De Simone, Roberto Natella
2022 arXiv   pre-print
faults in one virtual network segment can propagate to other segments, and can affect the throughput and response time of the cloud application as a whole, by about 3 times in the worst case.  ...  We present the solution in the context of the OpenStack cloud management platform, and release this implementation as open-source software.  ...  Roberto Natella (Ph.D.) is an Assistant Professor at the University of Naples Federico II, Italy.  ... 
arXiv:2201.07521v2 fatcat:iyqlk5kv4ndwfdd6jtc3m3np3u

NetO-App: A Network Orchestration Application for Centralized Network Management in Small Business Networks [article]

Dewang Gedia, Levi Perigo
2018 arXiv   pre-print
This research proposes a network architecture that can abstract, orchestrate, and scale configurations based on small business network requirements.  ...  Small business networks require flexibility, like service provider networks, to scale, deploy, and self-heal network infrastructure that comprises of cloud operating systems, virtual machines, containers  ...  Currently, this research focused on small business networks, but a future scope could enhance this by targeting other sectors with similar requirements, such as academia.  ... 
arXiv:1808.01519v1 fatcat:dhvkzwtq4vajdam4so7z4qs5bm

An energy-efficient and error-resilient server ecosystem exceeding conservative scaling limits

Georgios Karakonstantis, Konstantinos Tovletoglou, Lev Mukhanov, Hans Vandierendonck, Dimitrios S. Nikolopoulos, Peter Lawthers, Panos Koutsovasilis, Manolis Maroudas, Christos D. Antonopoulos, Christos Kalogirou, Nikos Bellas, Spyros Lalis (+14 others)
2018 2018 Design, Automation & Test in Europe Conference & Exhibition (DATE)  
The main idea lies on the realization of the intrinsic hardware heterogeneity and the development of mechanisms that will automatically expose the unique varying capabilities of each hardware component  ...  Our characterization results on a 64-bit ARMv8 micro-server in 28nm process reveal large voltage margins in terms of Vmin variation among the 8 cores of the CPU chip, among 3 different sigma chips, and  ...  In order to improve the fault resilience of Linux/KVM itself, we also break their SMP assumptions and implement mechanisms that allow the migration of critical system operations to reliable cores.  ... 
doi:10.23919/date.2018.8342175 dblp:conf/date/KarakonstantisT18 fatcat:q7nxvds5mnhn7nv2pouokoayu4

Enhancing Failure Propagation Analysis in Cloud Computing Systems [article]

Domenico Cotroneo, Luigi De Simone, Pietro Liguori, Roberto Natella, Nematollah Bidokhti
2019 arXiv   pre-print
We evaluated the proposed approach in the context of the OpenStack cloud computing platform.  ...  To address these issues, we propose a novel approach that joins fault injection with anomaly detection to identify the symptoms of failures.  ...  [8] applied fault injection on OpenStack to create signatures of the failures, in order to support problem diagnosis when the same failures happen in production.  ... 
arXiv:1908.11640v1 fatcat:g7bjevcyj5dydgdwppyk4gszzm

A Survey of Fault Management in Network Virtualization Environments: Challenges and Solutions

Sihem Cherrared, Sofiane Imadali, Eric Fabre, Gregor Gossler, Imen Grida Ben Yahia
2019 IEEE Transactions on Network and Service Management  
Fault management represents one of the most important X-management axes since a failure can cause important losses and impact the business image and credibility.  ...  The supervision should be done before building the 5G architecture by adding resiliency to the architecture and self-healing actions making use of the dynamism and reproducibility of NVEs.  ...  We also thank Christian JACQUENET and Ian HAY for their careful reading of the survey and their constructive remarks.  ... 
doi:10.1109/tnsm.2019.2948420 fatcat:r5xzkybqmjfebdoturu2g72uaa

A survey on security in network functions virtualization

Wei Yang, Carol Fung
2016 2016 IEEE NetSoft Conference and Workshops (NetSoft)  
Instead of deploying hardware equipments for each network functions, virtualized network functions in NFV are realized through virtual machines (VMs) running various software on top of industry standard  ...  However, potential security issues is a major concern of NFV. In this paper, we survey the challenges and opportunities in NFV security.  ...  TABLE II COMPARISION II OF FAULT INJECTION METHODS [2] Method Used tool Target Fault injection technology Fault injection testing of virtual machines D-Cloud [30]; Server software Simulation of  ... 
doi:10.1109/netsoft.2016.7502434 dblp:conf/netsoft/YangF16 fatcat:7o6oadtctrftppxemibdd6stvi
« Previous Showing results 1 — 15 out of 638 results