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10th IEEE International Workshop on Object-Oriented Real-Time Dependable Systems最新文献

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DoD towards software services 面向软件服务的国防部
10th IEEE International Workshop on Object-Oriented Real-Time Dependable Systems Pub Date : 2005-02-02 DOI: 10.1109/WORDS.2005.30
R. Paul
{"title":"DoD towards software services","authors":"R. Paul","doi":"10.1109/WORDS.2005.30","DOIUrl":"https://doi.org/10.1109/WORDS.2005.30","url":null,"abstract":"Department of Defense is moving rapidly towards service-oriented computing (SOC) recently as evidence of DoD 5 projects such as network centric enterprise services (NCES), global information grid enterprise services (GES), and joint battle management command and control (JBMC2). SOC represents a completely new and emerging paradigm of computing instead of thinking in terms of products. Systems will be constructed by reusable services. SOC is different from the traditional computing paradigms as it involves at least three parties in computing: service providers, service consumers, and service brokers.","PeriodicalId":335355,"journal":{"name":"10th IEEE International Workshop on Object-Oriented Real-Time Dependable Systems","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131476188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 44
An RBAC framework for time constrained secure interoperation in multi-domain environments 多域环境中时间约束安全互操作的RBAC框架
10th IEEE International Workshop on Object-Oriented Real-Time Dependable Systems Pub Date : 2005-02-02 DOI: 10.1109/WORDS.2005.18
Smithi Piromruen, J. Joshi
{"title":"An RBAC framework for time constrained secure interoperation in multi-domain environments","authors":"Smithi Piromruen, J. Joshi","doi":"10.1109/WORDS.2005.18","DOIUrl":"https://doi.org/10.1109/WORDS.2005.18","url":null,"abstract":"In emerging e-commerce applications, time constrained information sharing between different systems is becoming a common phenomenon. A flexible and efficient mechanism is needed to support short term time-based sharing policies between transient partners. In particular, the interacting domains need to establish a time-based inter-domain access policy without violating the original time-based security policies of the individual systems. In this paper, we address this issue using the generalized temporal role based access control (GTRBAC) framework. The proposed mechanism involves a system processing an inter-domain access requirement specification to extend or restructure its local GTRBAC policy with proper temporal constraints to allow its external partner domain to access its resources. The transformed local GTRBAC policy facilitates the inter-domain accesses while still conforming to the original local policy requirements.","PeriodicalId":335355,"journal":{"name":"10th IEEE International Workshop on Object-Oriented Real-Time Dependable Systems","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131898369","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 42
Error recovery for a boiler system with OTS PID controller 带有OTS PID控制器的锅炉系统误差恢复
10th IEEE International Workshop on Object-Oriented Real-Time Dependable Systems Pub Date : 2005-02-02 DOI: 10.1109/WORDS.2005.34
T. Anderson, Mei Feng, S. Riddle, A. Romanovsky
{"title":"Error recovery for a boiler system with OTS PID controller","authors":"T. Anderson, Mei Feng, S. Riddle, A. Romanovsky","doi":"10.1109/WORDS.2005.34","DOIUrl":"https://doi.org/10.1109/WORDS.2005.34","url":null,"abstract":"We have previously presented initial results of a case study which illustrated an approach to engineering protective wrappers as a means of detecting errors or unwanted behaviour in systems employing an OTS (off-the-shelf) item. The case study used a Simulink model of a steam boiler system together with an OTS PID (proportional, integral and derivative) controller. The protective wrappers are developed for the model of the system in such a way that they allow detection and tolerance of typical errors caused by unavailability of signals, violations of range limitations, and oscillations. In this paper, we extend the case study to demonstrate how forward error recovery based on exception handling can be systematically incorporated at the level of the protective wrappers.","PeriodicalId":335355,"journal":{"name":"10th IEEE International Workshop on Object-Oriented Real-Time Dependable Systems","volume":"357 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115850908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Improving the real-time behaviour of a multithreaded Java microcontroller by control theory and model based latency prediction 利用控制理论和基于模型的延迟预测提高多线程Java微控制器的实时性
10th IEEE International Workshop on Object-Oriented Real-Time Dependable Systems Pub Date : 2005-02-02 DOI: 10.1109/WORDS.2005.38
U. Brinkschulte, Mathias Pacher
{"title":"Improving the real-time behaviour of a multithreaded Java microcontroller by control theory and model based latency prediction","authors":"U. Brinkschulte, Mathias Pacher","doi":"10.1109/WORDS.2005.38","DOIUrl":"https://doi.org/10.1109/WORDS.2005.38","url":null,"abstract":"Our aim is to investigate if it is possible to control and to stabilize the throughput (IPC rate) of a thread running on a multithreaded Java processor by a closed feedback loop and a model based latency predictor. We implemented a PID controller and a model based latency predictor in the processor simulator of the Komodo microcontroller developed at the universities of Karlsruhe and Augsburg to simulate both as additional hardware modules. GP (guaranteed percentage) scheduling is used to control the thread. Evaluations show that the aimed IPC rate of a thread is achieved by the controller and stabilized by the latency predictor thus improving the real-time capabilities of the Java processor.","PeriodicalId":335355,"journal":{"name":"10th IEEE International Workshop on Object-Oriented Real-Time Dependable Systems","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129343424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
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