Taking snapshots of virtual networked environments

The capture of global, consistent snapshots of a distributed computing session or system is essential to the system's reliability, manageability, and accountability. Despite the large body of work at the application, library, and operating system levels, we identify a void in the spectrum of di...

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Veröffentlicht in:Proceedings of the 2nd international workshop on Virtualization technology in distributed computing S. 1 - 8
Hauptverfasser: Kangarlou, Ardalan, Xu, Dongyan, Ruth, Paul, Eugster, Patrick
Format: Tagungsbericht
Sprache:Englisch
Veröffentlicht: New York, NY, USA ACM 12.11.2007
Schriftenreihe:ACM Conferences
Schlagworte:
Application software
checkpoint
Checkpointing
Computer network management
Computer networks
Computer science
Computer systems organization > Dependable and fault-tolerant systems and networks
Distributed computing
Environmental management
General and reference > Cross-computing tools and techniques > Performance
global snapshots
Libraries
Networks > Network performance evaluation
Operating systems
Virtual environment
virtual network
virtualization
checkpoint
virtual network
virtualization
global snapshots
ISBN:9781595938978, 1595938974, 0769529151, 9780769529158
Online-Zugang:Volltext
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Beschreibung
Zusammenfassung:The capture of global, consistent snapshots of a distributed computing session or system is essential to the system's reliability, manageability, and accountability. Despite the large body of work at the application, library, and operating system levels, we identify a void in the spectrum of distributed snapshot techniques: taking snapshots of the entire distributed runtime environment. Such capability has unique applicability in a number of application scenarios. In this paper, we realize such capability in the context of virtual networked environments. More specifically, by adapting and implementing a distributed snapshot algorithm, we enable the capture of causally consistent snapshots of virtual machines in a virtual networked environment. The snapshot-taking operations do not require any modification to the applications or operating systems running inside the virtual environment. Preliminary evaluation results indicate that our technique incurs acceptable overhead and small disruption to the normal operation of the virtual environment.
ISBN:9781595938978
1595938974
0769529151
9780769529158
DOI:10.1145/1408654.1408658