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Scheduling and Priority Mapping for Static Real-Time Middleware [chapter]

Lisa Cingiser Dipippo, Victor Fay Wolfe, Levon Esibov, Gregory Cooper, Ramachandra Bethmangalkar, Russell Johnston, Bhavani Thuraisingham, John Mauer
2001 Challenges in Design and Implementation of Middlewares for Real-Time Systems  
This paper presents a middleware real-time scheduling technique for static, distributed, real-time applications.  ...  This paper also presents the implementation of these real-time middleware scheduling techniques in a Scheduling Service that meets the interface proposed for such a service in the Real-Time CORBA 1.0 standard  ...  Conclusion This paper has described a technique for real-time fixed priority scheduling in middleware for static applications.  ... 
doi:10.1007/978-1-4615-1695-8_3 fatcat:sga7wjrdbbenpc6guszeuptlsy

Challenges in Design and Implementation of Middlewares for Real-Time Systems: Guest Editor's Introduction [chapter]

Wei Zhao
2001 Challenges in Design and Implementation of Middlewares for Real-Time Systems  
The second paper, "Scheduling and Priority Mapping for Static Real-Time Middleware," proposes and analyzes a middleware real-time scheduling technique for static, distributed, real-time applications.  ...  for real-time systems that use open architectures and commercial off-the-shelf technologies.  ...  The second paper, "Scheduling and Priority Mapping for Static Real-Time Middleware," by Lisa C. DiPippo, Victor F.  ... 
doi:10.1007/978-1-4615-1695-8_1 fatcat:cgkbt67xj5f4tpciy4f2fzgx7i

Integrated development of distributed real-time applications with asynchronous communication

Marc Schanne
2007 Proceedings of the 5th international workshop on Java technologies for real-time and embedded systems - JTRES '07  
Strategic focuses of the proposed methodology and middleware framework are real-time and embedded applications.  ...  The framework builds on top of real-time Java with an asynchronous communication model for broadcast networks and eldbusses.  ...  HIJA identied the need of xed priority scheduling with RTSJ for hard real-time systems [21].  ... 
doi:10.1145/1288940.1288959 dblp:conf/jtres/Schanne07 fatcat:4w2eracxtjeddffyehgrcgc5ay

RapidSched: static scheduling and analysis for real-time CORBA

Wolfe, DiPippo, Bethmag, Cooper, Johnston, Kortmann, Watson, Wohlever
1999 Engineering Solutions for the Next Millennium 1999 IEEE Canadian Conference on Electrical and Computer Engineering (Cat No 99TH8411) CCECE-99  
This paper presents a real-time CORBA Scheduling Service called RapidSched.  ...  RapidSched uses a global, distributed deadline monotonic priority assignment, enforcement of priorities by commercial real-time operating systems, and distributed priority ceiling resource management.  ...  Conclusion This paper has described RapidSched's technique for real-time fixed priority scheduling in middleware for static applications.  ... 
doi:10.1109/words.1999.806558 dblp:conf/words/WolfeDBCJKWW99 fatcat:pie2poz5jvar5bjppszga5nonq

Enhancing adaptivity via standard dynamic scheduling middleware

Christopher Gill, Louis Mgeta, Yuanfang Zhang, Stephen Torri, Yamuna Krishnamurthy, Irfan Pyarali, Douglas C. Schmidt
2004 Journal of the Brazilian Computer Society  
This paper makes three contributions to research on QoS-enabled middleware for open distributed real-time embedded (DRE) systems.  ...  First, it describes the design and implementation of a dynamic scheduling framework based on the OMG Real-Time CORBA 1.2 specification (RTC1.2) that provides capabilities for (1) propagating QoS parameters  ...  implementation of Real-time CORBA 1.0 [1] ) and its Real-time Scheduling Service (which supports both static [7] and dynamic scheduling [8] ).  ... 
doi:10.1590/s0104-65002004000200003 fatcat:xvgaxbeh5jay7kv6rsh4ky7qxi

Enhancing adaptivity via standard dynamic scheduling middleware

Christopher Gill, Louis Mgeta, Yuanfang Zhang, Stephen Torri, Yamuna Krishnamurthy, Irfan Pyarali, Douglas C. Schmidt
2004 Journal of the Brazilian Computer Society  
This paper makes three contributions to research on QoS-enabled middleware for open distributed real-time embedded (DRE) systems.  ...  First, it describes the design and implementation of a dynamic scheduling framework based on the OMG Real-Time CORBA 1.2 specification (RTC1.2) that provides capabilities for (1) propagating QoS parameters  ...  implementation of Real-time CORBA 1.0 [1] ) and its Real-time Scheduling Service (which supports both static [7] and dynamic scheduling [8] ).  ... 
doi:10.1007/bf03192351 fatcat:bl7oytk62nhdporgqbkcsfhi24

The Design and Performance of a Real-Time CORBA Scheduling Service [chapter]

Christopher D. Gill, David L. Levine, Douglas C. Schmidt
2001 Challenges in Design and Implementation of Middlewares for Real-Time Systems  
However, conventional CORBA middleware does not define standard features to dynamically schedule operations for applications that possess deterministic and/or statistical real-time requirements.  ...  Second, we describe the flexible scheduling service framework in our real-time CORBA implementation, TAO, which efficiently supports core scheduling strategies like RMS, EDF, MLF, and MUF.  ...  We gratefully acknowledge the support and direction of the Boeing Principal  ... 
doi:10.1007/978-1-4615-1695-8_2 fatcat:t34rfj73grfj7oyal5djxahea4

Empirical Differences between COTS Middleware Scheduling Strategies [chapter]

Christopher D. Gill, Fred Kuhns, Douglas C. Schmidt, Ron K. Cytron
2002 Lecture Notes in Computer Science  
In previous work, we showed how applying different scheduling strategies in middleware can allow COTSbased solutions to provide both assurance and optimization of real-time constraints for important classes  ...  These contributions address and highlight the importance of the following issues to real-time scheduling in COTS environments: (1) careful mapping of scheduling policies into implementation mechanisms  ...  Acknowledgments We gratefully acknowledge the support and direction of the AFRL program manager for ASFD, Kenneth Littlejohn, and of Boeing Bold Stroke Principal Investigators Bryan Doerr and David Sharp  ... 
doi:10.1007/3-540-36124-3_60 fatcat:32wkemuggvg6lfxsgrj7eyarjy

Multiparadigm scheduling for distributed real-time embedded computing

C.D. Gill, R.K. Cytron, D.C. Schmidt
2003 Proceedings of the IEEE  
Our results show that applying a flexible scheduling framework to COTS hardware, OSs, and middleware improves real-time QoS assurance and performance for mission-critical DRE systems. agencies that formulates  ...  His research interests are patterns, optimization principles, and empirical analyzes of object-oriented techniques that facilitate the development of distributed real-time embedded middleware running over  ...  ACKNOWLEDGMENT The authors would like to thank the AFRL program manager for ASFD, K. Littlejohn, and Boeing Bold Stroke Principal Investigators B. Doerr and D. Sharp, for support and direction.  ... 
doi:10.1109/jproc.2002.805822 fatcat:pygohod3enennib42buoyrovmi

Evaluating policies and mechanisms to support distributed real-time applications with CORBA

Carlos O'Ryan, Douglas C. Schmidt, Fred Kuhns, Marina Spivak, Jeff Parsons, Irfan Pyarali, David L. Levine
2001 Concurrency and Computation  
For example, the real-time extensions in IEEE POSIX 1003.1c [27] define a static priority FIFO scheduling policy that meets this requirement. 3.  ...  Subject Areas: Real-time CORBA; Patterns and Frameworks; Distributed and Real-Time Middleware deployment of efficient, predictable, and scalable middleware for real-time systems.  ...  Application developers then apply the resulting schedule to statically map periodic events, activities, and ORB threads to fixed real-time priorities, based on the rate at which operations execute.  ... 
doi:10.1002/cpe.558 fatcat:dwkvmjsdvrds3csl6us4cuz6ru

A survey on standards for real-time distribution middleware

Héctor Pérez, J. Javier Gutiérrez
2014 ACM Computing Surveys  
A survey on standards for real-time distribution middleware. 49:3 transformation of data into a representation suitable for transmission over the network, (3) dispatching or assignment of each request  ...  are sufficient to guarantee determinism throughout the whole application, and identify a set of features and deployment options that would be desirable in any real-time distribution middleware regardless  ...  ACKNOWLEDGMENTS The authors want to thank the anonymous reviewers for their many detailed comments that have allowed the article to be enhanced significantly.  ... 
doi:10.1145/2532636 fatcat:gjgkut7szzbkxnuxrkfvqmq2km

A Comparison of Partitioning Operating Systems for Integrated Systems [chapter]

Bernhard Leiner, Martin Schlager, Roman Obermaisser, Bernhard Huber
2007 Lecture Notes in Computer Science  
In this paper we will discuss fundamental properties of partitioning OSs and compare features of existing solutions.  ...  In present-day electronic systems, application subsystems from different vendors and with different criticality levels are integrated within the same hardware.  ...  Acknowledgments We would like to thank our colleague Bernhard Wenzl and the anonymous reviewers for their comments on earlier versions of this paper.  ... 
doi:10.1007/978-3-540-75101-4_33 fatcat:c7tgxiplkvanlddxohcfnz3gyu

QUICKER: A Model-Driven QoS Mapping Tool for QoS-Enabled Component Middleware

Amogh Kavimandan, Krishnakumar Balasubramanian, Nishanth Shankaran, Aniruddha Gokhale, Douglas C. Schmidt
2007 10th IEEE International Symposium on Object and Component-Oriented Real-Time Distributed Computing (ISORC'07)  
The development and operational life-cycles of distributed real-time and embedded (DRE) systems can be improved by using component middleware.  ...  QoS configuration bindings can be performed at several time scales, including statically, e.g., directly hard coded into the application or middleware, semi-statically, e.g., configured at deployment time  ...  A Real-time Portable Object Adapter created within a Real-time ORB is available, and the range of priorities (for the different lanes) and the type of priority mapping scheme chosen are compatible, i.e  ... 
doi:10.1109/isorc.2007.50 dblp:conf/isorc/KavimandanBSGS07 fatcat:l5ufmna655c6zpjr7w6jipmbeu

A Multi-Agent System Architecture for Coordination of the Real-Time Control Functions in Complex Industrial Systems

Jiang Wu, Raynitchka Tzoneva
2011 International Journal of Computers Communications & Control  
Multi-agent system architecture for coordination of the real-time control functions in complex industrial systems is presented.  ...  A general three level multi-agent system is introduced to manage the interactions and schedule of tasks. A framework of building of the schedule of the tasks is also presented.  ...  The data in the Mapping Agent is static and should only be read.  ... 
doi:10.15837/ijccc.2011.4.2108 fatcat:xvr54g4cgbbaffnglllw37eame

A framework accommodating categorized multiprocessor real-time scheduling in the RTSJ

Jinsan Kwon, Hyeonjoong Cho, Binoy Ravindran
2012 Proceedings of the 10th International Workshop on Java Technologies for Real-time and Embedded Systems - JTRES '12  
In this paper, we present a framework for various multiprocessor scheduling algorithms by minimal modification of current Real-Time Specification for Java (RTSJ) [6] .  ...  Although the current version of RTSJ provides a secure platform and rich functionalities for real-time Java applications, it lacks multiprocessor support mechanisms, e.g., absence of functions to support  ...  Fundamentally, this scheduler maps a task's priority from middleware, which is a Java virtual machine, to operating system level, and the one-to-one priority level mapping between the framework and OS,  ... 
doi:10.1145/2388936.2388941 dblp:conf/jtres/KwonCR12 fatcat:zjdytcgxybeqfd6rafeoues7g4
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