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Journal Article
Advanced Performance Enhancing Mechanisms for Supporting Real-Time Services on DVB-RCS System Environments
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- Authors
- Nam Kyung Lee, Soo Hoan Chae, Deock Gil Oh, Ho Jin Lee
- Issue Date
- 2005-07
- Citation
- IEICE Transactions on Communications, v.E88-B, no.7, pp.2777-2787
- ISSN
- 0916-8516
- Publisher
- 일본, 전자정보통신학회 (IEICE)
- Language
- English
- Type
- Journal Article
- Abstract
- This paper describes two way satellite system environments on geostationary orbit (GEO) and performance enhancement mechanisms which reduces round trip time (RTT) and supports real-time services. We use performance enhancing proxy (PEP) for reducing round trip time and user-level real-time scheduler for reducing deadline violation tasks. The user-level real-time scheduling method classifies priority of user process into four types and those are reflected in kernel. With these dual performance enhancement mechanisms, we can improve quality of service (QoS) of end-user who connects to the DVB-RCS system. Copyright © 2005 The Institute of Electronics, Information and Communication Engineers.
- KSP Keywords
- DVB-RCS, Deadline violation, Dual performance, End users, Enhancement mechanism, Geostationary Orbit, Information and communication, Performance Enhancing Proxy, Real-Time Scheduler, Real-time Scheduling, Real-time services