Browse > Article

A Construction of TMO Object Group Model for Distributed Real-Time Services  

신창선 (원광대학교 전기ㆍ전자 및 정보공학부)
김명희 (원광 디지털대학교 게임소프트웨어학과)
주수종 (원광대학교 전기ㆍ전자 및 정보공학부)
Publication Information
Journal of KIISE:Computer Systems and Theory / v.30, no.5_6, 2003 , pp. 307-318 More about this Journal
Abstract
In this paper, we design and construct a TMO object group that provides the guaranteed real-time services in the distributed object computing environments, and verify execution power of its model for the correct distributed real-time services. The TMO object group we suggested is based on TINA's object group concept. This model consists of TMO objects having real-time properties and some components that support the object management service and the real-time scheduling service in the TMO object group. Also TMO objects can be duplicated or non-duplicated on distributed systems. Our model can execute the guaranteed distributed real-time service on COTS middlewares without restricting the specially ORB or the of operating system. For achieving goals of our model. we defined the concepts of the TMO object and the structure of the TMO object group. Also we designed and implemented the functions and interactions of components in the object group. The TMO object group includes the Dynamic Binder object and the Scheduler object for supporting the object management service and the real-time scheduling service, respectively The Dynamic Binder object supports the dynamic binding service that selects the appropriate one out of the duplicated TMO objects for the clients'request. And the Scheduler object supports the real-time scheduling service that determines the priority of tasks executed by an arbitrary TMO object for the clients'service requests. And then, in order to verify the executions of our model, we implemented the Dynamic Binder object and the Scheduler object adopting the binding priority algorithm for the dynamic binding service and the EDF algorithm for the real-time scheduling service from extending the existing known algorithms. Finally, from the numerical analyzed results we are shown, we verified whether our TMO object group model could support dynamic binding service for duplicated or non-duplicated TMO objects, also real-time scheduling service for an arbitrary TMO object requested from clients.
Keywords
TMO; Distributed Real-Time Service; Object Management; TMO; Object Group; Duplicated Object; Dynamic Binding; Real-Time Scheduling.;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
연도 인용수 순위
1 M. Takemoto., 'Fault-Tolerant Object on Network-wide Distributed Object-Oriented Systems for Future Telecommunications Applications', In IEEE PRFTS, pp.139-146, 1997
2 E.D. Jensen, C.D. Locky, and H. Tokuda., 'A Time-Driven Scheduling Model for Real-Time Operating Systems', In Proc. 6th IEEE Real-Time System Symposium, pp.112-122, 1985
3 W.J. Lee, C.W. Jeong, M.H. Kim, and S.C. Joo., 'Design and Implementation of An Object Group in Distributed Computing Enviroments', Journal of Electronics & Computer Science, Vol.2, No.l, 2000
4 P.M. Melliar-Smith, L.E. Moser, and P. Narasimhan., 'Consistent object replication in the Eternal System', Theory and Practice of Object System, Vol.4, No.2, pp.81 -92, 1998   DOI   ScienceOn
5 V. Kalogeraki, P.M. Melliar-Smith, and L.E. Moser., 'Dynamic Scheduling for Soft Real-Time Distributed Object Systems', In Proc. IEEE 3rd Int'l Symp. on Object-Oriented Real-Time Distributed Computing, pp. 114-121, 2000   DOI
6 C.S. Shin, M.S. Kang, Y.S. Jeong, S.K. Han, S.C Joo, 'TMO-Based Object Group Model for Distributed Real-Time Services', In Proc. IASTED Int'l Conference Networks, Parallel and Distributed Processing, and Applications(NPDPA'02), pp.178- 183, 2002
7 Object Management Group, 'The Common Object Request Broker: Architecture and Specification 2.2', http://www.omg.org/corba/corbaCB.htm, 1998
8 L. Kristiansen, P.Farley, R.Minetti, M. Mampaey, P.F. Hansen, and C.A. Licciardi., 'TINA Service Architecture and Specifications', http://www.tinac.com/specifications
9 OMG Real-time Platform SIG., 'Real-time CORBA A White Paper-Issue 1.0', http://www.omg.org /realtime/real-time_whitepapers. html, 1996
10 C.S. Shin, M.H. Kim, Y.S. Jeong, S.K. Han, S.C. Joo, 'Construction of CORBA Based Object Croup Platform for Distributed Real-Time Services', In Proc. 7th IEEE Int'l Workshop on Object-oriented Real-time Dependable Systems(WORDS'02), pp.229 -302, 2002   DOI
11 Victor Fay Wolfe, et al., 'Expressing and Enforcing Timing Constraints in a Dynamic Real-Time CORBA System', http://www.cs.uri.edu/rtsorac/publication.htm, 1997
12 K.H. Kim., 'Object-Oriented Real-Time Distributed Programming and Support Middleware', In Proc. 7th Int'l Conf. on Parallel & Distributed System, pp. 10-20, 2000
13 K.H. Kim, Seok-Joong Kang, and Yuqing Li., 'GUI Approach to Generation of Code-Framworks of TMO', In Proc. 7th IEEE Int'l Workshop on Object-oriented Real-time Dependable Systems(WORDS), pp.17-25, 2002
14 Eltefaat Shokri, Patrick Crane, and KH. Kim, 'An Implementation Model for Time-Triggered Message-Triggered Object Support Mechanism in CORBA-Compliant COTS Platforms', In Proc. IEEE 1st Int'l Symp. on Object-oriented Real-time dependable ComputingdSORC), pp. 12-21, 1998   DOI
15 John A. Stankovic, Marco Spuri, Krithi Ramamrithm, Giorgio C. Buttazzo., Deadline Scheduling for Real-Time Systems., p.31, Kluwer Academic Publishers, 2002
16 K.H. Kim, Juqiang Liu, Masaki Ishida, and Inho Kim., 'Distributed Object_Oriented Real-Time Simulation of Ground Transportation Network with TMO Structure Scheme', In Proc. IEEE CS 23rd Int'l Computer Software & Application Conference, pp. 130-138, 1999
17 C.L. Liu., 'Fundamentals of real-Time Scheduling (Extended Abstract)', In Proc. NATO Advances Study Institute on Real Time Computing, pp. 1-7, 1992
18 E. Damiani., 'A Fuzzy Stateless Approach to Load Distribution for Object-Oriented Distributed Environments', International Journal of Knowledge-Based Intelligent Engineering Systems, Vol.3, No.4, pp.240-253, 1999
19 주수종, '분산처리환경에서 객체그룹 모델링 및 성능분석에 관한 연구', 한국전자통신연구원 최종보고서, 1997
20 신창선, 강명석, 김명희, 주수종, 'TMO 기반 분산 실시간 객체그룹 관리방안에 대한 연구', 한국인터넷정보학회 추계 학술발표논문집, Vo!.2, No.2, pp.123-126, 2001
21 김명희, 주수종, '분산 실시간 서비스를 위한 CORBA 객체그룹 플랫폼의 구축', 정보과학회 논문지, Vol. 7, No.6, 2001   과학기술학회마을
22 K.H. Kim, D. Beck, J.Q. Liu, H. Miyazaki, and E.H Shokri., 'A CORBA Service Enabling Programming-Friendly Object-Oriented Real-Time Distributed Computing', In Proc. 5th IEEE Int'l Workshop on Object-oriented Real-time Dependable SystemsfWORDS), pp.101-107, 1999