基于选择性马尔可夫模型的缓存预取策略
TN915; 通过分析研究现有流媒体缓存管理算法和用户的访问行为特征,提出了一种新的基于选择性马尔可夫模型的缓存预取策略.该策略通过序列合并方法对用户访问拖曳行为进行建模,采用状态剪枝优化方法FP_Vlike得到选择性马尔可夫模型FPMM_Vlike,并在此之上结合替换算法LRU-2构建出一种流媒体代理服务器缓存预取机制FPVlike_LRU_2.仿真结果表明,在访问延时降低量方面,FPVlike_LRU-2要比FP_LRU-2、SP_LRU-2、LRU-2分别高出10%、12%、17%,且在最佳的情况下该值能够达到60%以上....
Saved in:
| Published in | 通信学报 Vol. 31; no. 2; pp. 58 - 66 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
华南理工大学,电子与信息学院,广东,广州,510006
2010
汕头大学,计算机系,广东,汕头,515063%汕头大学,计算机系,广东,汕头,515063%华南理工大学,电子与信息学院,广东,广州,510006 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1000-436X |
| DOI | 10.3969/j.issn.1000-436X.2010.02.009 |
Cover
| Abstract | TN915; 通过分析研究现有流媒体缓存管理算法和用户的访问行为特征,提出了一种新的基于选择性马尔可夫模型的缓存预取策略.该策略通过序列合并方法对用户访问拖曳行为进行建模,采用状态剪枝优化方法FP_Vlike得到选择性马尔可夫模型FPMM_Vlike,并在此之上结合替换算法LRU-2构建出一种流媒体代理服务器缓存预取机制FPVlike_LRU_2.仿真结果表明,在访问延时降低量方面,FPVlike_LRU-2要比FP_LRU-2、SP_LRU-2、LRU-2分别高出10%、12%、17%,且在最佳的情况下该值能够达到60%以上. |
|---|---|
| AbstractList | TN915; 通过分析研究现有流媒体缓存管理算法和用户的访问行为特征,提出了一种新的基于选择性马尔可夫模型的缓存预取策略.该策略通过序列合并方法对用户访问拖曳行为进行建模,采用状态剪枝优化方法FP_Vlike得到选择性马尔可夫模型FPMM_Vlike,并在此之上结合替换算法LRU-2构建出一种流媒体代理服务器缓存预取机制FPVlike_LRU_2.仿真结果表明,在访问延时降低量方面,FPVlike_LRU-2要比FP_LRU-2、SP_LRU-2、LRU-2分别高出10%、12%、17%,且在最佳的情况下该值能够达到60%以上. |
| Abstract_FL | Through analyzing the existing streaming media cache management algorithm and user's watching behavior characteristics, a new cache prefetching strategy based on selective Markov model was presented. The strategy, by mod-eling the user's VCR action of choosing the merging sequence method, applied the FP_Vlike method to get the selective Markov model FPMM_Vlike and built a streaming media proxy cache prefetching mechanism FP_Vlike-LRU-2 by com-bining the replacement algorithm LRU-2.The experimental results show that, FP_Vlike-LRU-2 is 10%, 12%, 17% higher than FP_LRU-2, SP_LRU-2 and LRU-2 respectively in reducing latency experienced by users, and this value is able to reach over 60% in the ideal situation. |
| Author | 肖水 韦岗 黄敏华 蔡伟鸿 熊智 |
| AuthorAffiliation | 华南理工大学,电子与信息学院,广东,广州,510006;汕头大学,计算机系,广东,汕头,515063%汕头大学,计算机系,广东,汕头,515063%华南理工大学,电子与信息学院,广东,广州,510006 |
| AuthorAffiliation_xml | – name: 华南理工大学,电子与信息学院,广东,广州,510006;汕头大学,计算机系,广东,汕头,515063%汕头大学,计算机系,广东,汕头,515063%华南理工大学,电子与信息学院,广东,广州,510006 |
| Author_FL | XIAO Shui XIONG Zhi WEI Gang CAI Wei-hong HUANG Min-hua |
| Author_FL_xml | – sequence: 1 fullname: CAI Wei-hong – sequence: 2 fullname: XIAO Shui – sequence: 3 fullname: WEI Gang – sequence: 4 fullname: XIONG Zhi – sequence: 5 fullname: HUANG Min-hua |
| Author_xml | – sequence: 1 fullname: 蔡伟鸿 – sequence: 2 fullname: 肖水 – sequence: 3 fullname: 韦岗 – sequence: 4 fullname: 熊智 – sequence: 5 fullname: 黄敏华 |
| BookMark | eNo9j7tKA0EARaeIYIz5Cy13nffslBJ8QcAmhV2YmZ2RBNmAq5gyRRoJmEINwUJRFA0atA5-jrPL_oUritWFe-FczgqoJL3EArCGYEgklxvdsJOmSYgghAEl_CDEsJwgDiGUFVD975dBPU07GjJEBIcEVQH3d4uvxUUxOM9Gs2zwXMze_MeVH7_7x9fs5d7fjvKbYf556efT4mHox5N8Psmvn1bBklNHqa3_ZQ20trdajd2gub-z19hsBoYJGcSxcIYLLTUVGllKI8uZFcaIOGKIKswM4RRqTJ0RSgquIiu0w0xZIh0lpAbWf7FnKnEqOWx3e6fHSXnYPun39Y8kxKUi-QYkA155 |
| ClassificationCodes | TN915 |
| ContentType | Journal Article |
| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
| Copyright_xml | – notice: Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
| DBID | 2B. 4A8 92I 93N PSX TCJ |
| DOI | 10.3969/j.issn.1000-436X.2010.02.009 |
| DatabaseName | Wanfang Data Journals - Hong Kong WANFANG Data Centre Wanfang Data Journals 万方数据期刊 - 香港版 China Online Journals (COJ) China Online Journals (COJ) |
| DatabaseTitleList | |
| DeliveryMethod | fulltext_linktorsrc |
| DocumentTitle_FL | Cache prefetching strategy based on selective Markov model |
| EndPage | 66 |
| ExternalDocumentID | txxb201002009 |
| GrantInformation_xml | – fundername: 广东省现代信息服务业发展专项基金; 广东省部产学研合作基金; 广东省自然科学基金 funderid: (GDIID2008IS046); (2009B090300345); (07301411) |
| GroupedDBID | -0Y 2B. 4A8 92I 93N ALMA_UNASSIGNED_HOLDINGS CCEZO CUBFJ GROUPED_DOAJ PSX TCJ |
| ID | FETCH-LOGICAL-c579-dd7fc67b9b47b1e448e65e7cc7d8514a25c3640b24fc7a976a8e7bf25ae39f433 |
| ISSN | 1000-436X |
| IngestDate | Thu May 29 03:59:50 EDT 2025 |
| IsPeerReviewed | false |
| IsScholarly | true |
| Issue | 2 |
| Keywords | 代理服务器 proxy server 选择性马尔可夫模型 cache prefetching latency reduction ratio 缓存预取 延时降低量 selective Markov model |
| Language | Chinese |
| LinkModel | OpenURL |
| MergedId | FETCHMERGED-LOGICAL-c579-dd7fc67b9b47b1e448e65e7cc7d8514a25c3640b24fc7a976a8e7bf25ae39f433 |
| PageCount | 9 |
| ParticipantIDs | wanfang_journals_txxb201002009 |
| PublicationCentury | 2000 |
| PublicationDate | 2010 |
| PublicationDateYYYYMMDD | 2010-01-01 |
| PublicationDate_xml | – year: 2010 text: 2010 |
| PublicationDecade | 2010 |
| PublicationTitle | 通信学报 |
| PublicationTitle_FL | JOURNAL ON COMMUNICATIONS |
| PublicationYear | 2010 |
| Publisher | 华南理工大学,电子与信息学院,广东,广州,510006 汕头大学,计算机系,广东,汕头,515063%汕头大学,计算机系,广东,汕头,515063%华南理工大学,电子与信息学院,广东,广州,510006 |
| Publisher_xml | – name: 华南理工大学,电子与信息学院,广东,广州,510006 – name: 汕头大学,计算机系,广东,汕头,515063%汕头大学,计算机系,广东,汕头,515063%华南理工大学,电子与信息学院,广东,广州,510006 |
| SSID | ssib051376031 ssj0002912165 ssib058759023 ssib001102965 ssib023646527 ssib023168036 ssib036439991 ssib050281523 ssib000968473 |
| Score | 1.8604355 |
| Snippet | TN915; 通过分析研究现有流媒体缓存管理算法和用户的访问行为特征,提出了一种新的基于选择性马尔可夫模型的缓存预取策略.该策略通过序列合并方法对用户访问拖曳行为进行建... |
| SourceID | wanfang |
| SourceType | Aggregation Database |
| StartPage | 58 |
| Title | 基于选择性马尔可夫模型的缓存预取策略 |
| URI | https://d.wanfangdata.com.cn/periodical/txxb201002009 |
| Volume | 31 |
| hasFullText | 1 |
| inHoldings | 1 |
| isFullTextHit | |
| isPrint | |
| journalDatabaseRights | – providerCode: PRVHPJ databaseName: ROAD: Directory of Open Access Scholarly Resources issn: 1000-436X databaseCode: M~E dateStart: 19800101 customDbUrl: isFulltext: true dateEnd: 99991231 titleUrlDefault: https://road.issn.org omitProxy: true ssIdentifier: ssib058759023 providerName: ISSN International Centre |
| link | http://utb.summon.serialssolutions.com/2.0.0/link/0/eLvHCXMwnR1Na9RQMNQK4kUUFT9LD33Hrfl4X3N82WYpHjyt0FtJsol6WaFuofRQeuhFCvagFvGgKIoWLXou_hyzS_-FMy_ZJBXx6xIm783Mm3mTZGaSeXmOsxDEOc_zANNUnqYdHiRJByQaJMXYFgMOL1CxrfK9I5fv8tsrYmXm1Fqraml9lCymm79cV_I_VsU2tCutkv0Hy9ZMsQFhtC8e0cJ4_Csbs0gw6LHQsIjTUUcsAqpd0MAiyXTITAm4zCjqwlPTJarQZcAJ0D1megQYzkxIyEYz41nOEXGIFAPkzAkIuwwCi7zEQFuGvu2yfEASDnVZABBNtGPfSjYope1VoyC-kVZIM8VH-7NIk4CEwu2wPaIONdK1UbRvB5OkT8ibHiACYouaIopqehTTdiikAWRo2m89qspXukKtSkt2Qi0AyqrkEjUxRT3FdNZUo4bftWgosphOk2s10JZVrTaK4E3nvdQfSBycTb80DxBmSQjdk412dKAiVkFfTWTLrdD6fR7YPRtrv1N5vwet9L90IuW_7KtwpNyT5mdHF4AE6-iI_WLNvipVpH_QQuPg67LL0cZGQhhuueb1tE_vsKjcdStqp7QYsLTXWrs-NF_CfdroDKOe5lxyKfw6hA0owoXm_0sC41cMEWt-wqMqrObLs8B8Gap9q2z05IPne3YH2FqrM85CpfKt3ylsl90N83h4rxUh9s8756rUbt6U9-kFZ2bz_kVHFq-Pvh89Od5-PN49GG9_OD74XHx9Vux9Kd59Gn98U7zanbzcmXx7Why-OH67U-ztTw73J8_fX3L6vajfXe5Ue5XQUw06g4HKU6kSSLhKvIxznUmRqTRVA0xpeOyLFGfGTXyepyrGFCDWmUpyX8RZADkPgsvO7PDhMLvizEPGPY_nQnm54lQKmrpaBVmS6iThOh5cdeYqNVerR9Gj1ROGvfYnhOvO2bIGhl4k3nBmR2vr2U0MrUfJnL0WfgDoX5Um |
| linkProvider | ISSN International Centre |
| openUrl | ctx_ver=Z39.88-2004&ctx_enc=info%3Aofi%2Fenc%3AUTF-8&rfr_id=info%3Asid%2Fsummon.serialssolutions.com&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=%E5%9F%BA%E4%BA%8E%E9%80%89%E6%8B%A9%E6%80%A7%E9%A9%AC%E5%B0%94%E5%8F%AF%E5%A4%AB%E6%A8%A1%E5%9E%8B%E7%9A%84%E7%BC%93%E5%AD%98%E9%A2%84%E5%8F%96%E7%AD%96%E7%95%A5&rft.jtitle=%E9%80%9A%E4%BF%A1%E5%AD%A6%E6%8A%A5&rft.au=%E8%94%A1%E4%BC%9F%E9%B8%BF&rft.au=%E8%82%96%E6%B0%B4&rft.au=%E9%9F%A6%E5%B2%97&rft.au=%E7%86%8A%E6%99%BA&rft.date=2010&rft.pub=%E5%8D%8E%E5%8D%97%E7%90%86%E5%B7%A5%E5%A4%A7%E5%AD%A6%2C%E7%94%B5%E5%AD%90%E4%B8%8E%E4%BF%A1%E6%81%AF%E5%AD%A6%E9%99%A2%2C%E5%B9%BF%E4%B8%9C%2C%E5%B9%BF%E5%B7%9E%2C510006&rft.issn=1000-436X&rft.volume=31&rft.issue=2&rft.spage=58&rft.epage=66&rft_id=info:doi/10.3969%2Fj.issn.1000-436X.2010.02.009&rft.externalDocID=txxb201002009 |
| thumbnail_s | http://utb.summon.serialssolutions.com/2.0.0/image/custom?url=http%3A%2F%2Fwww.wanfangdata.com.cn%2Fimages%2FPeriodicalImages%2Ftxxb%2Ftxxb.jpg |