基于结构化对等网络的资源发现模型的研究
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资料包括： 图纸 开题报告
说明：
1 论文选题的背景与意义
本课题来源于国家863项目，支持大规模分布式网络应用的自主计算环境的研究，本论文选题属于该课题的后续研究。
分布式系统的资源是系统中所有可以被主体请求使用的计算实体的总称。本研究的资源主要是指能够提供计算能力、存储能力的PC、工作站、PDA等。这些资源实体通过资源基础设施的概念组织到一起，对上层应用表现为统一的描述和透明的连通。把资源和用户请求进行匹配，把合适的可用资源提供给用户使用是分布式资源管理的核心内容。
随着网络技术的不断发展和桌面PC机功能的日益强大，目前分布式资源的范围在不断扩大，由原来的局域网扩展到广域网范围，越来越多Internet上PC资源被纳入到分布式系统中，目前的SETI@Home就是边缘资源应用的最好例子。资源范围不断扩大，使如何有效地管理和发现可用资源成为一个继续解决的问题。集中的目录服务器管理资源方式的性能会随着管理资源数量和用户请求数量的增加而急剧下降，成为整个系统的性能瓶颈，而且不可避免存在单点故障问题。
为了解决集中式目录服务的弊端，很多分布式系统采用了划分管理域，分布组织目录服务的策略。这些策略虽然缓解了目录服务的压力，但是在单个域上仍然是集中式管理，目录服务间存在一致性问题。而且管理域间的资源发现能力不够理想。目前的这种集中式目录服务无法满足大规模广域资源的扩展性问题。而良好的扩展性正是对等网的特点。 目录：
1论文选题的背景与意义1
2国内外研究现状及发展动态2
3论文的研究内容及拟采取的技术方案4
3.1论文的目标4
3.2主要研究内容5
3.2.1面向资源发现的结构化对等网络研究5
3.2.2资源基础设施的研究7
3.2.3资源描述与Peer Id的映射7
3.3拟采取的技术方案8
4关键技术或难点9
5论文研究计划9
5.1时间安排9
5.2预期成果10
6主要参考文献10
参考文献：
A. R. Butt, R. Zhang, Y. C. Hu, A Self-Organizing Flock of Condors, Proceedings of the ACM/IEEE SC2003 Conference,pp. 42, November 2003.
N. J. A. Harvey, M. B. Jones, S. Saroiu, M. Theimer, A.Wolman,SkipNet: A Scalable Overlay Network with Practical Locality Properties, Proceedings of the 4th USENIX Symposium on Internet Technologies and and Systems (USITS’03), pp. 113–126, March 2003.
A. Iamnitchi, Resource Discovery in Large Resource-Sharing Environments, Ph.D. Thesis, Department of Computer Science,The University of Chicago, December 2003.
A. Iamnitchi, M. Ripeanu, I. Foster, Locating Data in Small-World Peer-to-Peer Scientific Collaborations, Proceedings of the 1st International Workshop on Peer-to-Peer Systems (IPTPS’02), pp. 232–241, March 2002.
W. Li, Z. Xu, F. Dong, J. Zhang, Grid Resource Discovery Based on a Routing-Transferring Model, Proceedings of the 3rd International Workshop on Grid Computing (GRID 2002), pp.145–156, November 2002.
乐光学,李仁发,周祖德,基于Region多层结构P2P计算网络模型, 软件学报，Vol.16, No.6，2005.
S. Ratnasamy, P. Francis, M. Handley, R. Karp, S. Shenker, A Scalable Content- Addressable Network, Proceedings of ACM SIGCOMM 2001, pp. 161–172, August 2001.
A. Rowstron, P. Druschel, Pastry: Scalable, Distributed Object Location and Routing for Large-Scale Peer-to-Peer Systems, Proceedings of IFIP/ACM International Conference on Distributed Systems Platforms (Middleware 2001), pp. 329–350, November 2001.
D. Spence, T. Harris, XenoSearch: Distributed Resource Discovery in the XenoServer Open Platform, Proceedings of the 12th IEEE International Symposium on High Performance Distributed Computing (HPDC-12), pp. 216–225, June 2003.
I. Stoica, R. Morris, D. Karger, M. F. Kaashoek, H. Balakrishnan, Chord: A Scalable Peer-to-peer Lookup Service for Internet Applications, Proceedings of ACM SIGCOMM 2001, pp. 149–160, August 2001.
M. Aktas, M. Pierce and G. Fox, Designing Ontologies and Distributed Resource
Discovery Services for an Earthquake Simulation Grid, 2004
D. Oppenheimer, J. Albrecht, D. Patterson and A. Vahdat, Distributed Resource
Discovery on PlanetLab with SWORD, First Workshop on Real, Large Distributed
Systems 2004.
F. Heine, M. Hovestadt and O. Kao, Towards Ontology-Driven P2P Grid Resource Discovery, Proceedings of the Fifth IEEE/ACM International Workshop on Grid Computing 2004, pp. 76-83.
I Foster and A. Iamnichi, A Peer-to-Peer Approach to Resource Discovery in Grid Environments, Grid Resource Management, Kluwer Publishing, 2003.
[15] Y. Meng et al, A DHT-Based Grid Resource Indexing and Discovery Scheme, Singapore-MIT Alliance Annual Symposium 2005
[16] J. Gao and Peter Steenkiste. An Adaptive Protocol for Efficient Support of Range
Queries in DHT-based Systems. In Proceedings of The IEEE International Conference on Network Protocols 2004.
[17] S. Ratnasamy, J. Hellerstein, and S. Shenker. Range Queries over DHTs. Technical Report IRB-TR-03-009, Intel Corp., 2003.
[18] A. Andrzejak and Z. Xu. Scalable, Efficient Range Queries for Grid Information
Services. In Proceedings of the IEEE Conference on Peer-to-Peer Computing 2002.
[19] S. Ratnasamy, P. Francis, M. Handley, R. Karp, and S. Shenker. A Scalable Content-Addressable Network. In Proceedings of SIGCOMM 2001, pages 161–172,
[20] ScottO, Traversat B, Gong L. JXTA技术手册[M ]. 技桥译. 北京:清华大学出版社, 2004.
资料包括： 图纸 开题报告
说明：
1 论文选题的背景与意义
本课题来源于国家863项目，支持大规模分布式网络应用的自主计算环境的研究，本论文选题属于该课题的后续研究。
分布式系统的资源是系统中所有可以被主体请求使用的计算实体的总称。本研究的资源主要是指能够提供计算能力、存储能力的PC、工作站、PDA等。这些资源实体通过资源基础设施的概念组织到一起，对上层应用表现为统一的描述和透明的连通。把资源和用户请求进行匹配，把合适的可用资源提供给用户使用是分布式资源管理的核心内容。
随着网络技术的不断发展和桌面PC机功能的日益强大，目前分布式资源的范围在不断扩大，由原来的局域网扩展到广域网范围，越来越多Internet上PC资源被纳入到分布式系统中，目前的SETI@Home就是边缘资源应用的最好例子。资源范围不断扩大，使如何有效地管理和发现可用资源成为一个继续解决的问题。集中的目录服务器管理资源方式的性能会随着管理资源数量和用户请求数量的增加而急剧下降，成为整个系统的性能瓶颈，而且不可避免存在单点故障问题。
为了解决集中式目录服务的弊端，很多分布式系统采用了划分管理域，分布组织目录服务的策略。这些策略虽然缓解了目录服务的压力，但是在单个域上仍然是集中式管理，目录服务间存在一致性问题。而且管理域间的资源发现能力不够理想。目前的这种集中式目录服务无法满足大规模广域资源的扩展性问题。而良好的扩展性正是对等网的特点。 目录：
1论文选题的背景与意义1
2国内外研究现状及发展动态2
3论文的研究内容及拟采取的技术方案4
3.1论文的目标4
3.2主要研究内容5
3.2.1面向资源发现的结构化对等网络研究5
3.2.2资源基础设施的研究7
3.2.3资源描述与Peer Id的映射7
3.3拟采取的技术方案8
4关键技术或难点9
5论文研究计划9
5.1时间安排9
5.2预期成果10
6主要参考文献10
参考文献：
A. R. Butt, R. Zhang, Y. C. Hu, A Self-Organizing Flock of Condors, Proceedings of the ACM/IEEE SC2003 Conference,pp. 42, November 2003.
N. J. A. Harvey, M. B. Jones, S. Saroiu, M. Theimer, A.Wolman,SkipNet: A Scalable Overlay Network with Practical Locality Properties, Proceedings of the 4th USENIX Symposium on Internet Technologies and and Systems (USITS’03), pp. 113–126, March 2003.
A. Iamnitchi, Resource Discovery in Large Resource-Sharing Environments, Ph.D. Thesis, Department of Computer Science,The University of Chicago, December 2003.
A. Iamnitchi, M. Ripeanu, I. Foster, Locating Data in Small-World Peer-to-Peer Scientific Collaborations, Proceedings of the 1st International Workshop on Peer-to-Peer Systems (IPTPS’02), pp. 232–241, March 2002.
W. Li, Z. Xu, F. Dong, J. Zhang, Grid Resource Discovery Based on a Routing-Transferring Model, Proceedings of the 3rd International Workshop on Grid Computing (GRID 2002), pp.145–156, November 2002.
乐光学,李仁发,周祖德,基于Region多层结构P2P计算网络模型, 软件学报，Vol.16, No.6，2005.
S. Ratnasamy, P. Francis, M. Handley, R. Karp, S. Shenker, A Scalable Content- Addressable Network, Proceedings of ACM SIGCOMM 2001, pp. 161–172, August 2001.
A. Rowstron, P. Druschel, Pastry: Scalable, Distributed Object Location and Routing for Large-Scale Peer-to-Peer Systems, Proceedings of IFIP/ACM International Conference on Distributed Systems Platforms (Middleware 2001), pp. 329–350, November 2001.
D. Spence, T. Harris, XenoSearch: Distributed Resource Discovery in the XenoServer Open Platform, Proceedings of the 12th IEEE International Symposium on High Performance Distributed Computing (HPDC-12), pp. 216–225, June 2003.
I. Stoica, R. Morris, D. Karger, M. F. Kaashoek, H. Balakrishnan, Chord: A Scalable Peer-to-peer Lookup Service for Internet Applications, Proceedings of ACM SIGCOMM 2001, pp. 149–160, August 2001.
M. Aktas, M. Pierce and G. Fox, Designing Ontologies and Distributed Resource
Discovery Services for an Earthquake Simulation Grid, 2004
D. Oppenheimer, J. Albrecht, D. Patterson and A. Vahdat, Distributed Resource
Discovery on PlanetLab with SWORD, First Workshop on Real, Large Distributed
Systems 2004.
F. Heine, M. Hovestadt and O. Kao, Towards Ontology-Driven P2P Grid Resource Discovery, Proceedings of the Fifth IEEE/ACM International Workshop on Grid Computing 2004, pp. 76-83.
I Foster and A. Iamnichi, A Peer-to-Peer Approach to Resource Discovery in Grid Environments, Grid Resource Management, Kluwer Publishing, 2003.
[15] Y. Meng et al, A DHT-Based Grid Resource Indexing and Discovery Scheme, Singapore-MIT Alliance Annual Symposium 2005
[16] J. Gao and Peter Steenkiste. An Adaptive Protocol for Efficient Support of Range
Queries in DHT-based Systems. In Proceedings of The IEEE International Conference on Network Protocols 2004.
[17] S. Ratnasamy, J. Hellerstein, and S. Shenker. Range Queries over DHTs. Technical Report IRB-TR-03-009, Intel Corp., 2003.
[18] A. Andrzejak and Z. Xu. Scalable, Efficient Range Queries for Grid Information
Services. In Proceedings of the IEEE Conference on Peer-to-Peer Computing 2002.
[19] S. Ratnasamy, P. Francis, M. Handley, R. Karp, and S. Shenker. A Scalable Content-Addressable Network. In Proceedings of SIGCOMM 2001, pages 161–172,
[20] ScottO, Traversat B, Gong L. JXTA技术手册[M ]. 技桥译. 北京:清华大学出版社, 2004.