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  1. Transactions on Programming Languages and Systems (TOPLAS)
  2. ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 27
  3. Issue 4, July 2005
  4. The KaffeOS Java runtime system
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ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 38
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 37
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 36
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 35
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 34
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 33
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 32
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 31
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 30
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 29
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 28
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 27
Issue 6, November 2005
Issue 5, September 2005
Issue 4, July 2005
The KaffeOS Java runtime system
Cost and precision tradeoffs of dynamic data slicing algorithms
Interprocedural parallelization analysis in SUIF
Design and evaluation of dynamic optimizations for a Java just-in-time compiler
Analysis of recursive state machines
Issue 3, May 2005
Issue 2, March 2005
Issue 1, January 2005
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 26
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 25
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 24
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 23
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 22
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 21
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 20
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 19
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 18
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 17
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 16
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 15
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 14
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 13
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 12
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 11
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 10
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 9
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 8
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 7
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 6
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 5
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 4
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 3
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 2
ACM Transactions on Programming Languages and Systems (TOPLAS) : Volume 1

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The KaffeOS Java runtime system

Content Provider ACM Digital Library
Author Hsieh, Wilson C. Back, Godmar
Copyright Year 2005
Abstract Single-language runtime systems, in the form of Java virtual machines, are widely deployed platforms for executing untrusted mobile code. These runtimes provide some of the features that operating systems provide: interapplication memory protection and basic system services. They do not, however, provide the ability to isolate applications from each other. Neither do they provide the ability to limit the resource consumption of applications. Consequently, the performance of current systems degrades severely in the presence of malicious or buggy code that exhibits ill-behaved resource usage. We show that Java runtime systems can be extended to support $\textit{processes},$ and that processes can provide robust and efficient support for untrusted applications.We have designed and built KaffeOS, a Java runtime system that provides support for processes. KaffeOS isolates processes and manages the physical resources available to them: CPU and memory. Unlike existing Java virtual machines, KaffeOS can safely terminate processes without adversely affecting the integrity of the system, and it can fully reclaim a terminated process's resources. Finally, KaffeOS requires no changes to the Java language. The novel aspects of the KaffeOS architecture include the application of a user/kernel boundary as a structuring principle for runtime systems, the employment of garbage collection techniques for resource management and isolation, and a model for direct sharing of objects between untrusted applications. The difficulty in designing KaffeOS lay in balancing the goals of isolation and resource management against the goal of allowing direct sharing of objects.For the SpecJVM benchmarks, the overhead that our KaffeOS prototype incurs ranges from 0&percent; to 25&percent;, when compared to the open-source JVM on which it is based. We consider this overhead acceptable for the safety that KaffeOS provides. In addition, our KaffeOS prototype can scale to run more applications than running multiple JVMs. Finally, in the presence of malicious or buggy code that engages in a denial-of-service attack, KaffeOS can contain the attack, remove resources from the attacked applications, and continue to provide robust service to other clients.
Starting Page 583
Ending Page 630
Page Count 48
File Format PDF
ISSN 01640925
e-ISSN 15584593
DOI 10.1145/1075382.1075383
Volume Number 27
Issue Number 4
Journal ACM Transactions on Programming Languages and Systems (TOPLAS)
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2005-07-01
Publisher Place New York
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Robustness Garbage collection Isolation Language runtimes Resource management Termination Virtual machines
Content Type Text
Resource Type Article
Subject Software
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