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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Min Zhu Wei Guo Shilin Xiao Wei, A. Yaohui Jin Weisheng Hu Geller, B. |
| Copyright Year | 2009 |
| Abstract | Optical grid systems have been viewed as a promising virtual computing environment to support distributed real-time directed acyclic graph (DAG) applications. For such a system involving many heterogeneous computing and network resources, faults seem to be inevitable. Therefore, a fault-tolerant DAG scheduling scheme is necessary to improve the performance of the optical grid system. However, existing joint task scheduling schemes for real-time DAG applications generally do not consider the availability issues when making scheduling decisions. We develop an availability-driven scheduling scheme that improves the DAG availability iteratively by allocating two copies of one communication task to two disjoint lightpaths for data transfer while satisfying application deadline requirements. Extensive simulation results demonstrate the effectiveness and the feasibility of the proposed scheduling scheme. |
| Starting Page | 469 |
| Ending Page | 480 |
| Page Count | 12 |
| File Size | 1293548 |
| File Format | |
| ISSN | 19430620 |
| Volume Number | 2 |
| Issue Number | 7 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-07-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | OSA |
| Subject Keyword | Processor scheduling Availability Optical fiber networks Real time systems Grid computing Optical computing Computer networks Optical fiber communication Distributed computing Fault tolerant systems Optical network Real-time scheduling Distributed applications Fault-tolerant |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Networks and Communications |
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