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Article: Scheduling soft real-time jobs over dual non-real-time servers
Title | Scheduling soft real-time jobs over dual non-real-time servers |
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Authors | |
Keywords | Distributed systems Dual servers Real-time systems Scheduling Soft deadlines |
Issue Date | 1996 |
Publisher | I E E E. The Journal's web site is located at http://www.computer.org/tpds |
Citation | Ieee Transactions On Parallel And Distributed Systems, 1996, v. 7 n. 1, p. 56-68 How to Cite? |
Abstract | In this paper, we consider soft real-time systems with redundant off-the-shelf processing components (e.g., CPU, disk, network), and show how applications can exploit the redundancy to improve the system's ability of meeting response time goals (soft deadlines). We consider two scheduling policies, one that evenly distributes load (Balance), and one that partitions load according to job slackness (Chop). We evaluate the effectiveness of these policies through analysis and simulation. Our results show that by intelligently distributing jobs by their slackness amount the servers, Chop can significantly improve real-time performance. ©1996 IEEE. |
Persistent Identifier | http://hdl.handle.net/10722/43641 |
ISSN | 2023 Impact Factor: 5.6 2023 SCImago Journal Rankings: 2.340 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Kao, B | en_HK |
dc.contributor.author | GarciaMolina, H | en_HK |
dc.date.accessioned | 2007-03-23T04:51:06Z | - |
dc.date.available | 2007-03-23T04:51:06Z | - |
dc.date.issued | 1996 | en_HK |
dc.identifier.citation | Ieee Transactions On Parallel And Distributed Systems, 1996, v. 7 n. 1, p. 56-68 | en_HK |
dc.identifier.issn | 1045-9219 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/43641 | - |
dc.description.abstract | In this paper, we consider soft real-time systems with redundant off-the-shelf processing components (e.g., CPU, disk, network), and show how applications can exploit the redundancy to improve the system's ability of meeting response time goals (soft deadlines). We consider two scheduling policies, one that evenly distributes load (Balance), and one that partitions load according to job slackness (Chop). We evaluate the effectiveness of these policies through analysis and simulation. Our results show that by intelligently distributing jobs by their slackness amount the servers, Chop can significantly improve real-time performance. ©1996 IEEE. | en_HK |
dc.format.extent | 1616142 bytes | - |
dc.format.extent | 25600 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | application/msword | - |
dc.language | eng | en_HK |
dc.publisher | I E E E. The Journal's web site is located at http://www.computer.org/tpds | en_HK |
dc.relation.ispartof | IEEE Transactions on Parallel and Distributed Systems | en_HK |
dc.rights | ©1996 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. | - |
dc.subject | Distributed systems | en_HK |
dc.subject | Dual servers | en_HK |
dc.subject | Real-time systems | en_HK |
dc.subject | Scheduling | en_HK |
dc.subject | Soft deadlines | en_HK |
dc.title | Scheduling soft real-time jobs over dual non-real-time servers | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1045-9219&volume=7&issue=1&spage=56&epage=68&date=1996&atitle=Scheduling+Soft+Real-Time+Jobs+Over+Dual+Non-Real-Time+Servers | en_HK |
dc.identifier.email | Kao, B:kao@cs.hku.hk | en_HK |
dc.identifier.authority | Kao, B=rp00123 | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.doi | 10.1109/71.481598 | en_HK |
dc.identifier.scopus | eid_2-s2.0-0029770360 | en_HK |
dc.identifier.hkuros | 31107 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0029770360&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 7 | en_HK |
dc.identifier.issue | 1 | en_HK |
dc.identifier.spage | 56 | en_HK |
dc.identifier.epage | 68 | en_HK |
dc.identifier.isi | WOS:A1996TU42400008 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Kao, B=35221592600 | en_HK |
dc.identifier.scopusauthorid | GarciaMolina, H=7005594983 | en_HK |
dc.identifier.issnl | 1045-9219 | - |