An On-Line Capacity-Based Admission Control for Real-Time Service Processes
- Authors
- Nie, Weiran; Zhou, Sen; Lin, Kwei-Jay; Kim, Soo Dong
- Issue Date
- Sep-2014
- Publisher
- IEEE COMPUTER SOC
- Keywords
- Real-time admission control; schedulability analysis; service-oriented architecture
- Citation
- IEEE TRANSACTIONS ON COMPUTERS, v.63, no.9, pp.2134 - 2145
- Journal Title
- IEEE TRANSACTIONS ON COMPUTERS
- Volume
- 63
- Number
- 9
- Start Page
- 2134
- End Page
- 2145
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/9961
- DOI
- 10.1109/TC.2013.100
- ISSN
- 0018-9340
- Abstract
- This paper presents an on-line admission control methodology for periodic and aperiodic service processes with end-to-end real-time constraints. Both types of service process requests dynamically join and leave a system at run time. During the admission test, the schedulability of a periodic task is determined by using its fixed task capacity. Aperiodic tasks are admitted using the available capacity after admitted periodic tasks. At run time, the earliest deadline first (EDF) scheduling is used to schedule the mixed periodic and aperiodic workloads. Simulation results show that the proposed algorithm may achieve up to 90% in system utilization, while incurring a low admission overhead for each service request.
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