Search For:

Displaying 1-46 out of 46 total
The Client Assignment Problem for Continuous Distributed Interactive Applications: Analysis, Algorithms, and Evaluation
Found in: IEEE Transactions on Parallel and Distributed Systems
By Lu Zhang,Xueyan Tang
Issue Date:March 2014
pp. 785-795
Interactivity is a primary performance measure for distributed interactive applications (DIAs) that enable participants at different locations to interact with each other in real time. Wide geographical spreads of participants in large-scale DIAs necessita...
 
Application Layer Multicast in P2P Distributed Interactive Applications
Found in: 2013 International Conference on Parallel and Distributed Systems (ICPADS)
By Yusen Li,Wentong Cai,Xueyan Tang
Issue Date:December 2013
pp. 396-403
By sharing resources among peers in peer-to-peer network, application layer multicast (ALM) has been shown an efficient way to improve the scalability and reduce the latency of communication. To deploy ALM in peer-to-peer distributed interactive applicatio...
 
On Server Provisioning for Distributed Interactive Applications
Found in: 2013 IEEE 33rd International Conference on Distributed Computing Systems (ICDCS)
By Hanying Zheng, Xueyan Tang
Issue Date:July 2013
pp. 500-509
Increasing geographical spreads of modern distributed interactive applications (DIAs) make distributed server deployment vital for combating network latency and improving the interactivity among participants. In this paper, we investigate the server provis...
 
Scheduling Sensor Data Collection with Dynamic Traffic Patterns
Found in: IEEE Transactions on Parallel and Distributed Systems
By Wenbo Zhao, Xueyan Tang
Issue Date:April 2013
pp. 789-802
The network traffic pattern of continuous sensor data collection often changes constantly over time due to the exploitation of temporal and spatial data correlations as well as the nature of condition-based monitoring applications. In contrast to most exis...
 
Green-aware workload scheduling in geographically distributed data centers
Found in: 2012 IEEE 4th International Conference on Cloud Computing Technology and Science (CloudCom)
By Changbing Chen,Bingsheng He,Xueyan Tang
Issue Date:December 2012
pp. 82-89
Renewable (or green) energy, such as solar or wind, has at least partially powered data centers to reduce the environmental impact of traditional energy sources (brown energy with high carbon footprint). In this paper, we propose a holistic workload schedu...
 
An Enhanced Genetic Algorithm for Server Placement in Distributed Interactive Applications
Found in: 2012 IEEE 18th International Conference on Parallel and Distributed Systems (ICPADS)
By Hanying Zheng,Xueyan Tang
Issue Date:December 2012
pp. 596-603
Recent years have witnessed the enormous popularity of distributed interactive applications (DIAs), which allow participants that are distributed in the network to interact with each other concurrently. The rapid growth of DIAs has raised stringent require...
 
RAMZzz: Rank-aware DRAM power management with dynamic migrations and demotions
Found in: 2012 SC - International Conference for High Performance Computing, Networking, Storage and Analysis
By Donghong Wu,Bingsheng He,Xueyan Tang,Jianliang Xu,Minyi Guo
Issue Date:November 2012
pp. 1-11
Main memory is a significant energy consumer which may contribute to over 40% of the total system power, and will become more significant for server machines with more main memory. In this paper, we propose a novel memory system design named RAMZzz with ra...
 
QoS-Aware Revenue-Cost Optimization for Latency-Sensitive Services in IaaS Clouds
Found in: 2012 IEEE/ACM 16th International Symposium on Distributed Simulation and Real Time Applications (DS-RT)
By Ta Nguyen Binh Duong,Xiaorong Li,Rick Siow Mong Goh,Xueyan Tang,Wentong Cai
Issue Date:October 2012
pp. 11-18
Recently, application service providers have been employing Infrastructure-as-a-Service (IaaS) clouds such as Amazon EC2 to scale their computing resources on-demand to adapt to dynamic workloads. Existing research has been focusing more on cloud resource ...
 
Fair and Efficient Dead Reckoning-Based Update Dissemination for Distributed Virtual Environments
Found in: 2012 ACM/IEEE/SCS 26th Workshop on Principles of Advanced and Distributed Simulation (PADS)
By Zengxiang Li,Xueyan Tang,Wentong Cai,Stephen John Turner
Issue Date:July 2012
pp. 13-22
Due to diverse network latencies, participants in a Distributed Virtual Environment (DVE) may observe different inconsistency levels of the simulated virtual world, which can seriously affect fair competition among them. In this paper, we investigate how t...
 
Interactivity-Constrained Server Provisioning in Large-Scale Distributed Virtual Environments
Found in: IEEE Transactions on Parallel and Distributed Systems
By Duong Nguyen Binh Ta, Thang Nguyen, Suiping Zhou, Xueyan Tang, Wentong Cai,R. Ayani
Issue Date:February 2012
pp. 304-312
Maintaining interactivity is one of the key challenges in distributed virtual environments (DVEs). In this paper, we consider a new problem, termed the interactivity-constrained server provisioning problem, whose goal is to minimize the number of distribut...
 
Dead Reckoning-Based Update Scheduling against Message Loss for Improving Consistency in DVEs
Found in: Parallel and Distributed Simulation, Workshop on
By Zengxiang Li,Wentong Cai,Xueyan Tang,Suiping Zhou
Issue Date:June 2011
pp. 1-9
Maintaining a consistent presentation of the virtual world among participants is a fundamental problem in the Distributed Virtual Environment (DVE). The problem is exacerbated due to the limited network bandwidth and errorprone transmission. This paper inv...
 
An Efficient Multi-path Data Collection Scheme in Wireless Sensor Networks
Found in: Distributed Computing Systems Workshops, International Conference on
By Hai Van Luu, Xueyan Tang
Issue Date:June 2011
pp. 198-207
Multi-path routing is essential in sensor data collection to overcome the high loss rates in wireless environments. In this paper, we investigate the construction of multi-path routing structures for sensor data collection and develop an enhanced scheme fo...
 
The Client Assignment Problem for Continuous Distributed Interactive Applications
Found in: Distributed Computing Systems, International Conference on
By Lu Zhang, Xueyan Tang
Issue Date:June 2011
pp. 203-214
Interactivity is a primary performance measure for distributed interactive applications (DIAs) that enable participants at different locations to interact with each other in real time. Wide geographical spreads of participants in large-scale DIAs necessita...
 
An Efficient Scheduling Algorithm for Data Collection through Multi-path Routing Structures in Wireless Sensor Networks
Found in: Mobile Ad-hoc and Sensor Networks, International Conference on
By Hai Van Luu, Xueyan Tang
Issue Date:December 2010
pp. 68-73
Multi-path routing is essential in wireless sensor data collection to overcome the high loss rates in wireless environments. In this paper, we propose an efficient distributed scheduling algorithm for data collection through multi-path routing structures i...
 
A Framework for Performance Evaluation of Large-scale Interactive Distributed Virtual Environments
Found in: Computer and Information Technology, International Conference on
By Duong Ta, Thang Nguyen, Suiping Zhou, Xueyan Tang, Wentong Cai, Rassul Ayani
Issue Date:July 2010
pp. 2744-2751
Interactivity is a key consideration in large-scale distributed virtual environments (DVEs), such as massively multi-player online games. Due to the Internet dynamics as well as the large-scale and distributed nature of many DVEs, it is difficult to quanti...
 
QoS-Aware Server Provisioning for Large-Scale Distributed Virtual Environments
Found in: Parallel and Distributed Simulation, Workshop on
By Duong N B Ta, Suiping Zhou, Wentong Cai, Xueyan Tang,Rassul Ayani
Issue Date:May 2010
pp. 1-8
Maintaining interactivity is one of the key challenges in distributed virtual environments (DVE) due to the large, heterogeneous Internet latency and the fact that clients in a DVE are usually geographically separated. Previous work in this area have dealt...
 
Update Scheduling for Improving Consistency in Distributed Virtual Environments
Found in: IEEE Transactions on Parallel and Distributed Systems
By Xueyan Tang, Suiping Zhou
Issue Date:June 2010
pp. 765-777
The fundamental goal of distributed virtual environments (DVEs) is to create a common and consistent presentation of the virtual world among a set of computers interconnected by a network. This paper investigates update scheduling algorithms to make effici...
 
Efficient Zone Mapping Algorithms for Distributed Virtual Environments
Found in: Parallel and Distributed Simulation, Workshop on
By Duong Nguyen Binh Ta, Suiping Zhou, Wentong Cai, Xueyan Tang, Rassul Ayani
Issue Date:June 2009
pp. 137-144
This paper deals with the zone mapping problem in large-scale distributed virtual environments (DVEs), e.g., massively multi-player online games, distributed military simulations, etc. To support such large-scale DVEs with real-time interactions among thou...
 
Communication-Efficient Support for Spatial Filtering of State Updates in Distributed Virtual Environments
Found in: Parallel and Distributed Simulation, Workshop on
By Xueyan Tang, Wentong Cai
Issue Date:June 2009
pp. 129-136
Spatial filtering is an interest management mechanism that eliminates unnecessary state updates transmitted in distributed virtual environments. This paper proposes a new protocol to reduce the communication overhead for supporting spatial filtering. The p...
 
Privacy-Conscious Location-Based Queries in Mobile Environments
Found in: IEEE Transactions on Parallel and Distributed Systems
By Jianliang Xu, Xueyan Tang, Haibo Hu, Jing Du
Issue Date:March 2010
pp. 313-326
In location-based services, users with location-aware mobile devices are able to make queries about their surroundings anywhere and at any time. While this ubiquitous computing paradigm brings great convenience for information access, it also raises concer...
 
Network-Aware Server Placement for Highly Interactive Distributed Virtual Environments
Found in: Distributed Simulation and Real Time Applications, IEEE/ACM International Symposium on
By Duong Ta, Suiping Zhou, Wentong Cai, Xueyan Tang, Rassul Ayani
Issue Date:October 2008
pp. 95-102
In distributed virtual environments, e.g., online gaming, collaborative designs and distributed military simulations, interactivity is one of the most important requirements. The users may notice serious degradations in quality of service when interacting ...
 
Impact of Parallel Download on Job Scheduling in Data Grid Environment
Found in: Grid and Cloud Computing, International Conference on
By Junwei Zhang, Bu-Sung Lee, Xueyan Tang, Chai-Kiat Yeo
Issue Date:October 2008
pp. 102-109
Data intensive applications, such as high energy physics, usually have a large amount of input data requires analysis. These data are often shared and replicated across the Data Grid. As the computing power increases, the delay caused by
 
Analysis of TTL-Based Consistency in Unstructured Peer-to-Peer Networks
Found in: IEEE Transactions on Parallel and Distributed Systems
By Xueyan Tang, Jianliang Xu, Wang-Chien Lee
Issue Date:December 2008
pp. 1683-1694
Consistency maintenance is important to the sharing of dynamic contents in peer-to-peer (P2P) networks. The TTL-based mechanism is a natural choice for maintaining freshness in P2P content sharing. This paper investigates TTL-based consistency maintenance ...
 
Adaptive Data Collection Strategies for Lifetime-Constrained Wireless Sensor Networks
Found in: IEEE Transactions on Parallel and Distributed Systems
By Xueyan Tang, Jianliang Xu
Issue Date:June 2008
pp. 721-734
Communication is a primary source of energy consumption in wireless sensor networks. Due to resource constraints, the sensor nodes may not have enough energy to report every reading to the base station over a required network lifetime. This paper investiga...
 
A New Storage Scheme for Approximate Location Queries in Object-Tracking Sensor Networks
Found in: IEEE Transactions on Parallel and Distributed Systems
By Jianliang Xu, Xueyan Tang, Wang-Chien Lee
Issue Date:February 2008
pp. 262-275
Energy efficiency is one of the most critical issues in the design of wireless sensor networks. Observing that many sensor applications for object tracking can tolerate a certain degree of imprecision in the location data of tracked objects, this paper stu...
 
Top-k Monitoring in Wireless Sensor Networks
Found in: IEEE Transactions on Knowledge and Data Engineering
By Minji Wu, Jianliang Xu, Xueyan Tang, Wang-Chien Lee
Issue Date:July 2007
pp. 962-976
Top-k monitoring is important to many wireless sensor applications. This paper exploits the semantics of top-k query and proposes an energy-efficient monitoring approach called FILA. The basic idea is to install a filter at each sensor node to suppress unn...
 
iPDA: Supporting Privacy-Preserving Location-Based Mobile Services
Found in: Mobile Data Management, IEEE International Conference on
By Jing Du, Jianliang Xu, Xueyan Tang, Haibo Hu
Issue Date:May 2007
pp. 212-214
No summary available.
 
Optimal Replica Placement under TTL-Based Consistency
Found in: IEEE Transactions on Parallel and Distributed Systems
By Xueyan Tang, Huicheng Chi, Samuel T. Chanson
Issue Date:March 2007
pp. 351-363
<p><b>Abstract</b>—Geographically replicating popular objects in the Internet speeds up content distribution at the cost of keeping the replicas consistent and up-to-date. The overall effectiveness of replication can be measured by the to...
 
Analysis of Replica Placement under Expiration-Based Consistency Management
Found in: IEEE Transactions on Parallel and Distributed Systems
By Xueyan Tang, Samuel T. Chanson
Issue Date:November 2006
pp. 1253-1263
<p><b>Abstract</b>—Expiration-based consistency management is widely used to keep replicated contents up-to-date in the Internet. The effectiveness of replication can be characterized by the communication costs of client accesses and cons...
 
An Energy-Efficient and Access Latency Optimized Indexing Scheme for Wireless Data Broadcast
Found in: IEEE Transactions on Knowledge and Data Engineering
By Yuxia Yao, Xueyan Tang, Ee-Peng Lim, Aixin Sun
Issue Date:August 2006
pp. 1111-1124
Data broadcast is an attractive data dissemination method in mobile environments. To improve energy efficiency, existing air indexing schemes for data broadcast have focused on reducing tuning time only, i.e., the duration that a mobile client stays active...
 
Monitoring Top-k Query inWireless Sensor Networks
Found in: Data Engineering, International Conference on
By Minji Wu, Jianliang Xu, Xueyan Tang, Wang-Chien Lee
Issue Date:April 2006
pp. 143
Top-k monitoring is important to many wireless sensor applications. This paper exploits the semantics of top-k query and proposes a novel energy-efficient monitoring approach, called FILA. The basic idea is to install a filter at each sensor node to suppre...
 
An Error-Resilient and Tunable Distributed Indexing Scheme for Wireless Data Broadcast
Found in: IEEE Transactions on Knowledge and Data Engineering
By Jianliang Xu, Wang-Chien Lee, Xueyan Tang, Qing Gao, Shanping Li
Issue Date:March 2006
pp. 392-404
Access efficiency and energy conservation are two critical performance concerns in a wireless data broadcast system. We propose in this paper a novel parameterized index called the exponential index that has a linear yet distributed structure for wireless ...
 
Time-Critical On-Demand Data Broadcast: Algorithms, Analysis, and Performance Evaluation
Found in: IEEE Transactions on Parallel and Distributed Systems
By Jianliang Xu, Xueyan Tang, Wang-Chien Lee
Issue Date:January 2006
pp. 3-14
<p><b>Abstract</b>—On-demand broadcast is an effective wireless data dissemination technique to enhance system scalability and deal with dynamic user access patterns. With the rapid growth of time-critical information services in emerging...
 
QoS-Aware Replica Placement for Content Distribution
Found in: IEEE Transactions on Parallel and Distributed Systems
By Xueyan Tang, Jianliang Xu
Issue Date:October 2005
pp. 921-932
<p><b>Abstract</b>—The rapid growth of new information services and business-oriented applications entails the consideration of quality of service (QoS) in content distribution. This paper investigates the QoS-aware replica placement prob...
 
Minimal Cost Replication of Dynamic Web Contents under Flat Update Delivery
Found in: IEEE Transactions on Parallel and Distributed Systems
By Xueyan Tang, Samuel T. Chanson
Issue Date:May 2004
pp. 431-439
<p><b>Abstract</b>—Dynamic Web contents are generated by running application programs on base data which often change frequently. Geographically replicating the applications that construct these contents (including the programs and the re...
 
The Minimal Cost Distribution Tree Problem for Recursive Expiration-Based Consistency Management
Found in: IEEE Transactions on Parallel and Distributed Systems
By Xueyan Tang, Samuel T. Chanson
Issue Date:March 2004
pp. 214-227
<p><b>Abstract</b>—The expiration-based scheme is widely used to manage the consistency of cached and replicated contents such as Web objects. In this approach, each replica is associated with an expiration time beyond which the replica h...
 
Session-Affinity Aware Request Allocation for Web Clusters
Found in: Distributed Computing Systems, International Conference on
By Xueyan Tang, Samuel T. Chanson, Huicheng Chi, Chuang Lin
Issue Date:March 2004
pp. 142-149
Persistent connections are increasingly being used in web retrieval due to wide adoption of HTTP/1.1 standards. With persistent connections, the request allocation algorithm used by web clusters is often session-grained. This paper studies the caching perf...
 
Performance Analysis of Location-Dependent Cache Invalidation Schemes for Mobile Environments
Found in: IEEE Transactions on Knowledge and Data Engineering
By Jianliang Xu, Xueyan Tang, Dik Lun Lee
Issue Date:March 2003
pp. 474-488
<p><b>Abstract</b>—Mobile location-dependent information services are gaining increasing interest in both academic and industrial communities. In these services, data values depend on their locations. Caching frequently accessed data on m...
 
Coordinated Management of Cascaded Caches for Efficient Content Distribution
Found in: Data Engineering, International Conference on
By Xueyan Tang, Samuel T. Chanson
Issue Date:March 2003
pp. 37
Large-scale content delivery systems such as the web often deploy multiple caches at different locations to reduce access latency and network traffic. These caches are usually organized in a cascaded fashion where requests not hitting a lower level cache a...
 
Streaming Media Caching Algorithms for Transcoding Proxies
Found in: Parallel Processing, International Conference on
By Xueyan Tang, Fan Zhang, Samuel T. Chanson
Issue Date:August 2002
pp. 287
Streaming media is expected to become one of the most popular types of web content in the future. Due to increasing variety of client devices and the range of access speeds to the Internet, multimedia contents may be required to be transcoded to match the ...
 
Coordinated En-Route Web Caching
Found in: IEEE Transactions on Computers
By Xueyan Tang, Samuel T. Chanson
Issue Date:June 2002
pp. 595-607
<p><b>Abstract</b>—Web caching is an important technique for reducing Internet access latency, network traffic, and server load. This paper investigates cache management strategies for the en-route web caching environment, where caches ar...
 
Optimal Hash Routing for Web Proxies
Found in: Distributed Computing Systems, International Conference on
By Xueyan Tang, Samuel T. Chanson
Issue Date:April 2001
pp. 0191
Abstract: Hash routing is an effective approach for coordinating a collection of web proxies. In this paper, we present a comprehensive analytical model for hash routing which takes into consideration a number of factors: original request distribution, obj...
 
Optimizing Static Job Scheduling in a Network of Heterogeneous Computers
Found in: Parallel Processing, International Conference on
By Xueyan Tang, Samuel T. Chanson
Issue Date:August 2000
pp. 373
This paper investigates static job scheduling schemes that distribute workload in a network of computers with different speeds. Static schemes involve very low overhead and complexity compared to dynamic schemes, but can still provide significant performan...
 
Synergy of Dynamic Frequency Scaling and Demotion on DRAM Power Management: Models and Optimizations
Found in: IEEE Transactions on Computers
By Yanchao Lu,Bingsheng He,Xueyan Tang,Minyi Guo
Issue Date:February 2015
pp. 1
Main memory (or DRAM) is one of the most significant components to the computer system’s performance and energy consumption. Dynamic frequency scaling (DFS) and DRAM low-power states (Demotion) are two main-stream techniques for DRAM power management. DFS ...
 
Multidomain load balancing
Found in: Network Protocols, IEEE International Conference on
By S.T. Chanson, Wantao Deng, Chi-Chung Hui, Xueyan Tang, Ming Yan To
Issue Date:November 2000
pp. 315
This paper investigates dynamic load balancing issues in the multidomain environment where local area networks (LANs) are interconnected by the Internet. Because of the much slower Internet communication speed and limited bandwidth, existing load balancing...
 
Brief announcement: on minimum interaction time for continuous distributed interactive computing
Found in: Proceedings of the 2013 ACM symposium on Principles of distributed computing (PODC '13)
By Bingsheng He, Lu Zhang, Xueyan Tang
Issue Date:July 2013
pp. 122-124
In this paper, we study the interaction times of continuous distributed interactive computing in which the application states change due to not only user-initiated operations but also time passing. We formulate the Minimum Interaction Time problem as a com...
     
 1