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Displaying 1-24 out of 24 total
SecMon: A Secure Introspection Framework for Hardware Virtualization
Found in: 2013 21st Euromicro International Conference on Parallel, Distributed and Network-Based Processing (PDP)
By Xiaolong Wu,Yunwei Gao,Xinhui Tian,Ying Song,Bing Guo,Baiming Feng,Yuzhong Sun
Issue Date:February 2013
pp. 282-286
With the fusion of cloud computing and virtualization technology, system security under virtualization becomes a key point in recent research. As a foundational technology to construct a secure system, virtual machine introspection receives more attention ...
A Two-Tiered On-Demand Resource Allocation Mechanism for VM-Based Data Centers
Found in: IEEE Transactions on Services Computing
By Ying Song,Yuzhong Sun,Weisong Shi
Issue Date:January 2013
pp. 116-129
In a shared virtual computing environment, dynamic load changes as well as different quality requirements of applications in their lifetime give rise to dynamic and various capacity demands, which results in lower resource utilization and application quali...
LVMCI: Efficient and Effective VM Live Migration Selection Scheme in Virtualized Data Centers
Found in: 2012 IEEE 18th International Conference on Parallel and Distributed Systems (ICPADS)
By Wei Zhang,Mingfa Zhu,Yiduo Mei,Limin Xiao,Li Ruan,Tao Gong,Tao Li,Yunwei Gao,Yuzhong Sun
Issue Date:December 2012
pp. 368-375
Virtualization can provide significant benefits in virtualized data centers by enabling efficient and effective live migration to ensure service level agreement(SLA). Most of existing studies make decision on which bad virtual machines (VMs) should be migr...
Beyond Green: Evolution to Adaptability and Recyclability
Found in: IEEE/ACM International Conference on Green Computing and Communications
By Yuzhong Sun,Ying Song
Issue Date:August 2011
pp. 234-237
In current social computing system, not only hardware but also software experiences a directly discarded mode. Such directly discarded mode may result in huge waste. The major challenge in green computing is the recyclability of the computing system. In or...
VMGuard: An Integrity Monitoring System for Management Virtual Machines
Found in: Parallel and Distributed Systems, International Conference on
By Haifeng Fang, Yiqiang Zhao, Hongyong Zang, H. Howie Huang, Ying Song, Yuzhong Sun, Zhiyong Liu
Issue Date:December 2010
pp. 67-74
A cloud computing provider can dynamically allocate virtual machines (VM) based on the needs of the customers, while maintaining the privileged access to the Management Virtual Machine that directly manages the hardware and supports the guest VMs. The cust...
Optimizing Inter-Domain Communication
Found in: Parallel and Distributed Systems, International Conference on
By Hongyong Zang, Yuzhong Sun, Kuiyan Gu
Issue Date:December 2009
pp. 355-360
Virtual machine technology has played an important role in data center. Distributed services deployed in multiple virtual machines, may reside on one physical machine. This situation requires an efficient inter-domain communication channel with transparenc...
A Highly Efficient Inter-domain Communication Channel
Found in: Computer and Information Technology, International Conference on
By Hongyong Zang, Kuiyan Gu, Yaqiong Li, Yuzhong Sun, Dan Meng
Issue Date:October 2009
pp. 369-374
With virtual machine technology, distributed services deployed in multiple cooperative virtual machines, such as multi-tier web services, may reside on one physical machine. This situation requires an efficient inter-domain communication channel, and meanw...
Multi-Tiered On-Demand Resource Scheduling for VM-Based Data Center
Found in: Cluster Computing and the Grid, IEEE International Symposium on
By Ying Song, Hui Wang, Yaqiong Li, Binquan Feng, Yuzhong Sun
Issue Date:May 2009
pp. 148-155
The trend of using virtualization for server consolidation is more and more popular in enterprise data center. However, on-demand resource allocation among the concurrent hosted services in such a virtualized environment is still a challenge. In order to o...
An Adaptive Resource Flowing Scheme amongst VMs in a VM-Based Utility Computing
Found in: Computer and Information Technology, International Conference on
By Ying Song, Yuzhong Sun, Hui Wang, Xining Song
Issue Date:October 2007
pp. 1053-1058
In order to optimize the using of server resources which host different services such as web services, this paper describes an adaptive and dynamic resource flowing scheme amongst VMs in a VM-based utility computing environment called ADVM (Adaptive and Dy...
Redar: A Remote Desktop Architecture for the Distributed Virtual Personal Computing
Found in: Grid and Cloud Computing, International Conference on
By Yuedong Zhang, Zhenhua Song, Dingju Zhu, Zhuan Chen, Yuzhong Sun
Issue Date:October 2006
pp. 1-8
Some popular computing technologies, such as ubiquitous computing, grid computing and thin-client computing, bring people to a much more distributed and pervasive computing environment. Based on these innovative technologies, a distributed virtual personal...
How to avoid herd: a novel stochastic algorithm in grid scheduling
Found in: High-Performance Distributed Computing, International Symposium on
By Qinghua Zheng, Haijun Yang, Yuzhong Sun
Issue Date:June 2006
pp. 267-278
Grid technologies promise to bring the grid users high performance. Consequently, scheduling is being becoming a crucial problem. Herd behavior is a common phenomenon, which causes the severe performance decrease in grid environment with respect to bad sch...
Modeling and PerformanceAnalysis of the VEGA Grid System
Found in: e-Science and Grid Computing, International Conference on
By Haijun Yang, Zhiwei Xu, Yuzhong Sun, Qinghua Zheng
Issue Date:December 2005
pp. 296-303
In this paper, we propose four general queueing models based on input and server distributions, to analyze a special Grid system, VEGA grid system version 1.1 (VEGA1.1). The mean queue lengths and mean waiting times of these models are deduced. The two cla...
Self-Organizing Communication-aware Resource Management for Scheduling in Grid Environment
Found in: High Performance Computing and Grid in Asia Pacific Region, International Conference on
By Qinghua Zheng, Haijun Yang, Yuzhong Sun
Issue Date:December 2005
pp. 346-353
<p>Rapid advances in network and computer technologies are making networked computers, organized in the form of Grid, an appealing vehicle for cost-effective parallel computing. But how to handle efficiently the communications in scheduling is still ...
Performance Analysis ofWonGoo System
Found in: Computer and Information Technology, International Conference on
By Tianbo Lu, Binxing Fang, Yuzhong Sun, Xueqi Cheng
Issue Date:September 2005
pp. 716-723
<p>Privacy and anonymity on the Internet are gaining increasing attention from both the scientific and the large Internet user community. WonGoo is a peer-to-peer scalable anonymous communication system that provides strong anonymity and high efficie...
Building Scale-Free Overlay Mix Networks with Small-World Properties
Found in: Information Technology and Applications, International Conference on
By Tianbo Lu, Binxing Fang, Yuzhong Sun, Xueqi Cheng, Li Guo
Issue Date:July 2005
pp. 529-534
Anonymity likes company. Hence peer-to-peer networks, represented by Tarzan [14] and MorphMix [26], have become a significant paradigm for anonymous communications because they are scaleable, self-organizing and reliable. However, little work has been done...
A C/S and P2P Hybrid Resource Discovery Framework in Grid Environments
Found in: Parallel Processing, International Conference on
By Yili Gong, Wei Li, Yuzhong Sun, Zhiwei Xu
Issue Date:June 2005
pp. 261-268
Resource discovery is crucial to efficient deployment of a grid system whose dynamic, heterogeneous characteristics make it difficult. In this paper, Vega Infrastructure for Resource Discovery (VIRD) is developed, then augmented with new features (i.e., so...
Parallel Algorithm for Multiple Genome Alignment on the Grid Environment
Found in: Parallel and Distributed Processing Symposium, International
By Nova Ahmed, Yi Pan, Art Vandenberg, Yuzhong Sun
Issue Date:April 2005
pp. 254a
The multiple genome sequence alignment problem falls in the domain of problems that can be parallelized to address large sequence lengths. Although there is communication required for the computation of the aligned sequences, the proper distribution can re...
Grid Replication Coherence Protocol
Found in: Parallel and Distributed Processing Symposium, International
By Yuzhong Sun, Zhiwei Xu
Issue Date:April 2004
pp. 232b
In this paper we present two efficient coherence protocols for data grid applications. The data intensive grid applications often adopt the replica strategy to solve the data access bottleneck. It is important to keep coherence among all replicas of a copy...
Recursive Cube of Rings: A New Topology for Interconnection Networks
Found in: IEEE Transactions on Parallel and Distributed Systems
By Yuzhong Sun, Paul Y.S. Cheung, Xiaola Lin
Issue Date:March 2000
pp. 275-286
<p><b>Abstract</b>—In this paper, we introduce a family of scalable interconnection network topologies, named Recursive Cube of Rings (RCR), which are recursively constructed by adding ring edges to a cube. RCRs possess many desirable top...
Fault Tolerant All-to-All Broadcast in General Interconnection Networks
Found in: Parallel and Distributed Systems, International Conference on
By Yuzhong Sun, Paul Y.S. Cheung, Xiaola Lin, Keqin Li
Issue Date:December 1998
pp. 240
With respect to scalability and arbitrary topologies of the underlying networks in multiprogramming and multithread environment, fault tolerance in acknowledged ATAB and concurrent communications become a challenge to reliable general wormhole routing mult...
A Hybrid Time Synchronization Implemented Through Special Ring Array for Mesh or Torus
Found in: Parallel Processing Symposium, International
By Yuzhong Sun, Zhiwei Xu, Mingfa Zhu
Issue Date:April 1997
pp. 565
In this paper, we present a new efficient hybrid time synchronization scheme for a mesh or torus interconnection networks, called ROCTS. ROCTS comprises two levels, one for the lower level that is implemented over a special high-speed ring array, one for t...
Architectual Implications of the NAS MG and FT Parallel Benchmarks
Found in: Advances in Parallel and Distributed Computing Conference
By Yuzhong Sun, Jianyong Wang, Zhiwei Xu
Issue Date:March 1997
pp. 235
This paper characterizes the structure and resource requirements of the NAS Parallel Benchmarks(NPB), a popular benchmark suite used to evaluate various parallel computers. The phase model is used to obtain parameter values for memory, I/O, and communicati...
Insight and reduction of MapReduce stragglers in heterogeneous environment
Found in: 2013 IEEE International Conference on Cluster Computing (CLUSTER)
By Xia Zhao,Kai Kang,YuZhong Sun,Yin Song,Minhao Xu,Tao Pan
Issue Date:September 2013
pp. 1-8
Speculative and clone execution are existing techniques to overcome the problems of task stragglers and performance degradation in heterogeneous clusters for big data processing. In this paper, we propose an alternative approach to solving the problems bas...
Can VoD streaming service co-exist with other services on a VM-based virtualized computing platform?
Found in: Proceedings of the 2007 Asian technology information program's (ATIP's) 3rd workshop on High performance computing in China: solution approaches to impediments for high performance computing (CHINA HPC '07)
By Hui Wang, Yaqiong Li, Ying Song, Yu Zeng, Yuzhong Sun
Issue Date:November 2007
pp. 305-305
Trend towards providing heterogeneous services concurrently by ISPs and low utilization of servers make it necessary to consolidate various services computing into a single platform. In such a shared environment, meeting application-level QoS goals and avo...