Group Aggregation for Scalable Anycast Routing (2009)
Zhibin Mai, Shengquan Wang, Dong Xuan, Wei Zhao
In this paper, we address the issues related to aggregation of anycast groups for scalable anycast routing. Anycast is a new network service that allows a sender to access anyone in a group that...
In this paper, we attempt to provide an extensive and detailed summary of existing work in the area of Structured Peer-to-Peer (P2P) systems resilience. The coverage in this paper includes resilience...
iLOC: An invisible LOCalization Attack to Internet Threat Monitoring Systems (2008)
Xun Wang, Wei Yu, Xinwen Fu, Dong Xuan, Wei Zhao
Abstract—Internet threat monitoring (ITM) systems have been deployed to detect widespread threats and attacks on the Internet in recent years. However, the integrity and functionality of these...
Deploying Four-Connectivity And Full-Coverage Wireless Sensor Networks (2008)
Xiaole Bai, Ziqiu Yun, Dong Xuan, Ten H. Lai, Weijia Jia
Abstract—We study the issue of optimal deployment to achieve four connectivity and full coverage for wireless sensor networks (WSNs) under different ratios of sensors ’ communication range...
On Detecting Camouflaging Worm (2008)
Wei Yu, Xun Wang, Dong Xuan, Wei Zhao
Active worms pose major security threats to the Internet. In this paper, we investigate a new class of active worms, i.e., Camouflaging Worm (C-Worm in short). The C-Worm has the capability to...
Xun Wang, Phillip Boyer, Dong Xuan
In the framework of a set of clients communicating with a critical server over the Internet, a recent approach to protect communication from Distributed Denial of Service (DDoS) attacks involves the...
Ten H. Lai, Feng Qin, Prasun Sinha, Dong Xuan, Lei Guo, Lei Guo
With the dramatic increase of media traffic on the Internet, existing media systems have shown their inefficiencies in resource utilization and performance bottlenecks on high qual-ity media...
Network Decoupling: A Methodology for Secure Communications in Wireless Sensor Networks (2008)
Wenjun Gu, Xiaole Bai, Dong Xuan
Many wireless sensor network (WSN) applications demand secure communications. The random key pre-distribution (RKP) protocol has been well accepted in achieving secure communications in WSNs. A host...
Deploying Wireless Sensor Networks under Limited Mobility Constraints (2008)
Wenjun Gu, Xiaole Bai, Dong Xuan, Bin Ma, Kaizhong Zhang
In this paper, we study the issue of sensor networks deployment using limited mobility sensors. By limited mobility, we mean that the maximum distance that sensors are capable of moving to is...
Defending against Search-based Physical Attacks in Sensor Networks (2008)
Wenjun Gu, Xun Wang, Dong Xuan, Ten H. Lai
Abstract — In this paper we study the defense of sensor networks
Policy-driven Physical Attacks in Sensor Networks: Modeling and Measurement (2008)
Xun Wang, Wenjun Gu, Wei Yu, Dong Xuan
Abstract — Sensor nodes being small in size and distributively deployed, are vulnerable to Physical Attacks that attempt to physically destroy sensors in the sensor network. Generally speaking,...
Design and Implementation of QoS-Provisioning System for Voice over IP (2008)
Shengquan Wang, Zhibin Mai, Student Member, Dong Xuan, Wei Zhao
Abstract—In this paper, we address issues in implementing Voice over IP (VoIP) services in packet switching networks. VoIP has been identified as a critical real-time application in the network QoS...
Deploying Wireless Sensor Networks under Limited Mobility Constraints (2008)
Student Member, Wenjun Gu, Xiaole Bai, Dong Xuan, Bin Ma, Kaizhong Zhang
Abstract—In this paper, we study the issue of sensor network deployment using limited mobility sensors. By limited mobility, we mean that the maximum distance that sensors are capable of moving to...
On Detecting Camouflaging Worm (2008)
Wei Yu, Xun Wang, Dong Xuan, Wei Zhao
Active worms pose major security threats to the Internet. In this paper, we investigate a new class of active worms, i.e., Camouflaging Worm (C-Worm in short). The C-Worm has the capability to...
A Study of Providing Statistical QoS in a Differentiated Sevices Network (2008)
Shengquan Wang, Dong Xuan, Riccardo Bettati, Wei Zhao
In this paper, we propose and analyze a methodology for providing statistical guarantees within the diffserv model in a network, that uses static-priority schedulers. We extend the previous work on...
Dong Xuan, Wei Zhao, Weijia Jia, Hongwen Zhu
An anycast packet is one that should be delivered to one member in a group of designated recipients. Using anycast services may considerably simplify some applications. Little work has been done on...
Shengquan Wang, Dong Xuan, Riccardo Bettati, Wei Zhao
Abstract—In this paper, we propose and analyze a methodology for pro-Glossary viding absolute differentiated services for real-time applications. We de- Term Description velop a method that can be...
P2P / Grid-based Overlay Architecture to Support VoIP Services in Large Scale IP Networks (2008)
Abstract: Communication services such as, Voice over IP (VoIP), over the Internet have gained much attention in recent years, as next generation Internet applications are requiring the integration of...
Distributed policy processing in active-service based infrastructures (2008)
Wei Yu, Dong Xuan, Wei Zhao, John Wiley
More and more applications in the Internet are requiring an intelligent service infrastructure to provide customized services. In this paper, we present an infrastructure, which can transparently and...
Resilience of Structured Peer to Peer Systems: Analysis and Enhancement (2008)
In this paper, we attempt to provide an extensive and detailed summary of existing work in the area of Structured Peer-to-Peer (P2P) systems resilience. Broadly speaking, resilience of a P2P system...
Network Decoupling: A Methodology for Secure Communications in Wireless Sensor Networks (2008)
Wenjun Gu, Xiaole Bai, Student Member, Dong Xuan, Weijia Jia
Abstract—Many wireless sensor network (WSN) applications demand secure communications. The random key predistribution ðRKPÞ protocol has been well accepted in achieving secure communications in...
Xiaole Bai, Bin Ma, Dong Xuan, Changqing Xu
An important phase of sensor networks operation is deployment of sensors in the field of interest. Critical goals during sensor networks deployment include coverage, connectivity, load balancing etc....
Xun Wang, Phillip Boyer, Dong Xuan
In the framework of a set of clients communicating with a critical server over the Internet, a recent approach to protect communication from Distributed Denial of Service (DDoS) attacks involves the...
An Efficient Fau It-Tolerant Multicast Routing Protocol with Core-Based Tree Techniques (2008)
Weijia Jia, E Computer Society, Wei Zhao, Senior Member, Dong Xuan, Gaochao Xu
Abstract-In this paper, we design and analyze an efficient fault-tolerant multicast routing protocol. Reliable multicast communication is critical for the success of many Internet applications....
A Study of Providing Statistical QoS in a Differentiated Sevices Network (2008)
Shengquan Wang, Dong Xuan, Riccardo Bettati, Wei Zhao
In this paper, we propose and analyze a methodology for providing statistical guarantees within the diffserv model in a network, that uses static-priority schedulers. We extend the previous work on...
A Study of Providing Statistical QoS in a Differentiated Sevices Network (2008)
Shengquan Wang, Dong Xuan, Riccardo Bettati, Wei Zhao
In this paper, we propose and analyze a methodology for providing statistical guarantees within the diffserv model in a network, that uses static-priority schedulers. We extend the previous work on...
Design and Implementation of QoS-Provisioning System for Voice over IP (2008)
Shengquan Wang, Zhibin Mai, Dong Xuan, Wei Zhao
In this paper, we address issues in implementing Voice over IP (VoIP) services in packet switching networks. VoIP has been identified as a critical real-time application in the network QoS research...
Use of anycast service can considerably simplify many communication applications. Two approaches can be used for routing anycast packets. Single-path routing always uses the same path for anycast...
Distributed Policy Processing in Active-Service based Infrastructures (2008)
More and more applications in the Internet are requiring an intelligent service infrastructure to provide customized services. In this paper, we present an infrastructure, which can transparently and...
Shengquan Wang, Dong Xuan, Riccardo Bettati, Wei Zhao
In this paper, we propose and analyze a methodology for providing absolute differentiated services with statistical performance guarantees for real-time applications in networks that use static...
Glossary Term Description f (i) (2007)
Shengquan Wang, Dong Xuan, Riccardo Bettati, Wei Zhao
Abstract--- In this paper, we propose and analyze a methodology for providing absolute differentiated services for real-time applications in networks that use static priority scheduler. We extend the...
Shengquan Wang, Dong Xuan, Riccardo Bettati, Wei Zhao
Abstract--- In this paper, we propose and analyze a methodology for providing statistical guarantees within the diffserv model in a network, that uses static-priority schedulers. We extend the...
1 A Routing Protocol for Anycast Messages (2007)
Dong Xuan, Weijia Jia, Wei Zhao, Hongwen Zhu
An anycast packet is one that should be delivered to one member in a group of designated recipients. Using anycast services may considerably simplify some applications. Little work has been done on...
Weijia Jia, Dong Xuan, Wei Zhao
Use of anycast service can considerably simplify many communication applications. Two approaches can be used for routing anycast packets. Single path routing always uses the same path for anycast...
DSSSbased flow marking technique for invisible traceback (2007)
Wei Yu, Xinwen Fu, Steve Graham, Dong Xuan, Wei Zhao
Law enforcement agencies need the ability to conduct electronic surveillance to combat crime, terrorism, or other malicious activities exploiting the Internet. However, the proliferation of anonymous...
A design of overlay anonymous multicast protocol (2006)
Li Xiao, Xiaomei Liu, Wenjun Gu, Dong Xuan, Yunhao Liu
Multicast services are demanded by a variety of applications. Many applications require anonymity during their communication. However, there has been very little work on anonymous multicasting and...
Network decoupling for secure communications in wireless sensor networks (2006)
Wenjun Gu, Xiaole Bai, Dong Xuan
Abstract — Secure communications are highly demanded by many wireless sensor network (WSN) applications. The random key pre-distribution (¢¤£¦ ¥ ) scheme has become well accepted to achieve...
Network decoupling for secure communications in wireless sensor networks (2006)
Wenjun Gu, Xiaole Bai, Dong Xuan
Abstract — Secure communications are highly demanded by many wireless sensor network (WSN) applications. The random key pre-distribution ( ) scheme has become well accepted in achieving secure...
Deploying wireless sensors to achieve both coverage and connectivity (2006)
Xiaole Bai, Santosh Kumar, Dong Xuan, Ziqiu Yun, Ten H. Lai
It is well-known that placing disks in the triangular lattice pattern is optimal for achieving full coverage on a plane. With the emergence of wireless sensor networks, however, it is now no longer...
A design of overlay anonymous multicast protocol (2006)
Li Xiao, Xiaomei Liu, Wenjun Gu, Dong Xuan, Yunhao Liu
Multicast services are demanded by a variety of applications. Many applications require anonymity during their communication. However, there has been very little work on anonymous multicasting and...
Sensor Networks Deployment Using Flip-Based Sensors (2005)
Abstract — In this paper, we study the issue of mobility based sensor networks deployment. The distinguishing feature of our work is that the sensors in our model have limited mobilities. More...
On Defending Peer-to-Peer System-based Active Worm Attacks (2005)
Wei Yu, Corey Boyer, Dong Xuan
Abstract—Recent active worm propagation events show that active worms can spread in an automated fashion and flood the Internet in a very short period of time. Due to the recent surge of...
Lifetime optimization of sensor networks under physical attacks (2005)
Xun Wang, Wenjun Gu, Kurt Schosek, Dong Xuan, Xun Wang, Wenjun Gu, ...
Abstract—In this paper, we address a Resource Constrained Lifetime Problem in sensor networks in an operating environment subject to physical node destructions. Specifically, given a limited number...
Mobility limited flip-based sensor networks deployment (2005)
Xiaole Bai, Bin Ma, Dong Xuan, Changqing Xu
An important phase of sensor networks operation is deployment of sensors in the field of interest. Critical goals during sensor networks deployment include coverage, connectivity, load balancing etc....
Search-based physical attacks in sensor networks: Modeling and defense (2005)
Xun Wang, Wenjun Gu, Wei Yu, Dong Xuan
Abstract — The small form factor of the sensors, coupled with the unattended and distributed nature of their deployment expose sensors to Physical Attacks that physically destroy sensors in the...
Sensor network configuration under physical attacks (2004)
Xun Wang, Wenjun Gu, Kurt Schosek, Dong Xuan
Abstract. Sensor networks typically operate in hostile outdoor environments. In such environments, sensor networks are highly susceptible to physical attacks that can result in physical node...
Empirical and theoretical evaluation of active probing attacks and their countermeasures (2004)
Xinwen Fu, Bryan Graham, Dong Xuan, Riccardo Bettati, Wei Zhao
Abstract. A variety of remote sensing attacks allow adversaries to break flow confidentiality and gather mission-critical information in distributed systems. Such attacks are easily supplemented by...
Analyzing the Secure Overlay Services Architecture under Intelligent DDoS Attacks (2004)
Dong Xuan, Xun Wang, Shengquan Wang
Distributed Denial of Service (DDoS) attacks are currently major threats to communication in the Internet. A secure overlay services (SOS) architecture has been proposed to provide reliable...
Distributed admission control for anycast flows (2004)
An anycast ow is a sequence of packets that can be sent to any one of the members in a group of designated recipients. Using anycast services can signicantly simplify some applications. Little work...
Empirical and theoretical evaluation of active probing attacks and their countermeasures (2004)
Xinwen Fu, Bryan Graham, Dong Xuan, Riccardo Bettati, Wei Zhao
Abstract. A variety of remote sensing attacks allow adversaries to break flow confidentiality and gather mission-critical information in distributed systems. Such attacks are easily supplemented by...
Distributed admission control for anycast flows (2004)
Weijia Jia, Dong Xuan, Wanqing Tu, Lidong Lin, Wei Zhao
Abstract—Anycasting has recently become an important research topic, especially for replicated servers. With anycasting, applications can request the “nearest ” server for provision of desired...
Empirical and theoretical evaluation of active probing attacks and their countermeasures (2004)
Xinwen Fu, Bryan Graham, Dong Xuan, Riccardo Bettati, Wei Zhao
Abstract. A variety of remote sensing attacks allow adversaries to break flow confidentiality and gather mission-critical information in distributed systems. Such attacks are easily supplemented by...
RChord: an enhanced chord system resilient to routing attacks (2003)
Dong Xuan, Muralidhar Krishnamoorthy
Abstract — In this paper, we propose a variant of Chord system that is resilient to routing attacks. By routing attacks, we mean the attacks which detour the looking up messages, aiming to disrupt...
Analytical and empirical analysis of countermeasures to traffic analysis attacks (2003)
Xinwen Fu, Bryan Graham, Riccardo Bettati, Wei Zhao, Dong Xuan
This paper studies countermeasures to traffic analysis attacks. A common strategy for such countermeasures is link padding. We consider systems where payload traffic is padded so that packets have...
Utilization-Based Admission Control for Scalable Real-Time (2003)
Dong Xuan, Wei Zhao, Chengzhi Li
Abstract. We propose a utilization-based schedulability and admission control mechanism for distributed systems with workload aggregation to achieve scalability. We use the differentiated services...
Analytical and empirical analysis of countermeasures to traffic analysis attacks (2003)
Xinwen Fu, Bryan Graham, Riccardo Bettati, Wei Zhao, Dong Xuan
This paper studies countermeasures to traffic analysis attacks. A common strategy for such countermeasures is link padding. We consider systems where payload traffic is padded so that packets have...
Implementation of QoS-Provisioning System for Voice over IP (2002)
Shengquan Wang, Zhibin Mai, Walt Magnussen, Dong Xuan, Wei Zhao
In this paper, we address issues related to implementing Voice-over-IP (VoIP) services in packet switching networks. VoIP has been identified as a critical real-time application in the network QoS...
Group aggregation for scalable anycast routing (2002)
Zhibin Mai, Shengquan Wang, Dong Xuan, Wei Zhao
In this paper. we address the issues related to aggrega-tion of anycast groups for scalable anycast routing. Any-cast is a new network service that allows a sender to ac-cess anyone in a group that...
Implementation of QoS-Provisioning System for Voice over IP (2002)
Shengquan Wang, Zhibin Mai, Walt Magnussen, Dong Xuan, Wei Zhao
In this paper, we address issues related to implementing Voice-over-IP (VoIP) services in packet switching networks. VoIP has been identified as a critical real-time application in the network QoS...
Routing support to enhance network services / (2001)
Thesis (Ph. D.)--Texas A & M University, 2001.
Shengquan Wang, Dong Xuan, Riccardo Bettati, Wei Zhao
Abstract — In this paper, we propose and analyze a methodology for providing absolute differentiated services for real-time applications in networks that use static-priority schedulers. We extend...
Shengquan Wang, Dong Xuan, Riccardo Bettati, Wei Zhao
Abstract--- In this paper, we propose and analyze a methodology for providing absolute differentiated services for real-time applications in networks that use static-priority schedulers. We extend...
Shengquan Wang, Dong Xuan, Riccardo Bettati, Wei Zhao
We propose and analyze a methodology for providing absolute differentiated services with statistical performance guarantees for real-time applications in networks that use class-based (as opposed to...
Providing Absolute Differentiated Services with Statistical Guarantees (2001)
Shengquan Wang, Dong Xuan, Riccardo Bettati, Wei Zhao
In this paper; we propose and analyze a methodology for providing absolute digerentiated services with statisti-cal pe formance guarantees for real-time applications in networks that use...
Shengquan Wang, Dong Xuan, Riccardo Bettati, Wei Zhao
Abstract—In this paper, we propose and analyze a methodology for providing absolute differentiated services for real-time applications. We develop a method that can be used to derive delay bounds...
NetCamo: Camouflaging Network Traffic for QoS-Guaranteed Mission Critical Applications (2001)
Yong Guan, Student Member, Xinwen Fu, Dong Xuan, Prashanth Umesh Shenoy, Riccardo Bettati, ...
Abstract—This paper presents the general approach, design, implementation, and evaluation of NetCamo, which is a system to prevent traffic analysis in systems with real-time requirements....
A gateway-based defense system for distributed dos attacks in high-speed networks (2001)
Dong Xuan, Shengquan Wang, Ye Zhu, Riccardo Bettati, Wei Zhao
Abstract — We describe a defense system to contain Distributed Denial-of-Service (DDoS) flooding attacks in highspeed networks. We aim at protecting TCP friendly traffic, which forms a large...
Providing Absolute Differentiated Services for (2001)
Shengquan Wang, Dong Xuan, Riccardo Bettati, Wei Zhao
In this paper, we propose and analyze a methodology for providing absolute differentiated services for real-time applications in networks that use static-priority schedulers. We extend previous work...
Shengquan Wang, Dong Xuan, Riccardo Bettati, Wei Zhao
Abstract — In this paper, we propose and analyze a methodology for providing absolute differentiated services for real-time applications in networks that use static-priority schedulers. We extend...
Scalable QoS Guaranteed Communication Services for Real-Time Applications (2000)
Byung-kyu Choi, Dong Xuan, Riccardo Bettati, Wei Zhao
In this paper, we propose an approach to flow-unaware admission control, which is combination with an aggregate packet forwarding scheme, improves scalability of networks while guaranteeing...
A Routing Protocol for Anycast Messages (2000)
Dong Xuan, Weijia Jia, Wei Zhao, Senior Member, Hongwen Zhu
AbstractÐAn anycast packet is one that should be delivered to one member in a group of designated recipients. Using anycast services may considerably simplify some applications. Little work has been...
Scalable QoS Guaranteed Communication Services for Real-Time Applications (2000)
Byung-kyu Choi, Dong Xuan, Chengzhi Li, Riccardo Bettati, Wei Zhao
Tel:1-409-845-5469, Fax:1-409-847-8578 In this paper, we propose a system of admission control and packet forwarding scheme to improve scalability of networks while guaranteeing end-to-end delay...
Scalable QoS Guaranteed Communication Services for Real-Time Applications (2000)
Byung-kyu Choi, Dong Xuan, Riccardo Bettati, Wei Zhao, Chengzhi Li
In this paper, we propose an approach to flow-unaware admission control, which is combination with an aggregate packet forwarding scheme, improves scalability of networks while guaranteeing...
Utilization-based admission control for real-time applications (2000)
Dong Xuan, Chengzhi Li, Riccardo Bettati, Jianer Chen, Wei Zhao
In this paper, we present a methodology to apply utilization-based admission control to provide hard real-time communication in a scalable fashion. We make admission control scalable by using a...
Utilization-based admission control for real-time applications (2000)
Dong Xuan, Chengzhi Li, Riccardo Bettati, Jianer Chen, Wei Zhao
In this paper, we present a methodology to use utilization-based admission control in guaranteed real-time communication in a scalable fashion. We make admission control scalable by using a...
Utilization-based admission control for real-time applications (2000)
Dong Xuan, Chengzhi Li, Riccardo Bettati, Jianer Chen, Wei Zhao
In this paper; we present a methodology to use utilization-based admission control in guaranteed real-time communication in a scalable fashion. We make admission control scalable by using a...
Scalable QoS Guaranteed Communication Services for Real-Time Applications (2000)
Byung-kyu Choi, Dong Xuan, Riccardo Bettati, Wei Zhao, Chengzhi Li
In this paper, we propose an approach to flow-unaware admission control, which is combination with an aggregate packet forwarding scheme, improves scalability of networks while guaranteeing...
Scalable QoS Guaranteed Communication Services for Real-Time Applications (2000)
Byung-kyu Choi, Dong Xuan, Riccardo Bettati, Wei Zhao
In this paper, we propose an approach to flow-unaware admission control, which is combination with an aggregate packet forwarding scheme, improves scalability of networks while guaranteeing...
An Efficient Fault-Tolerant Multicast Routing Protocol with Core-Based Tree Techniques (1999)
Weijia Jia, Wei Zhao, Dong Xuan, Gaochao Xu
In this paper, we study an efficient fault-tolerant CBT multicast routing protocol. With our strategy, when a faulty component is detected, some pre-defined backup path(s) is (are) used to bypass the...
Preventing Traffic Analysis for Real-Time Communication Networks (1999)
Dong Xuan, Chengzhi Li, Dong Xuan, Riccardo Bettati, Wei Zhao
In this paper, we address issues related to preventing traffic analysis in computer networks used for realtime mission-critical applications. We consider an IP-based network where headers of packets,...
Preventing Traffic Analysis for Real-Time Communication Networks (1999)
Yong Guan, Chengzhi Li, Dong Xuan, Riccardo Bettati, Wei Zhao
Abstract-In this paper, we address issues related to preventing traffic analysis in computer networks used for realtime mission-critical applications. We consider an IP-based network where headers of...
Preventing Traffic Analysis for Real-Time Communication Networks (1999)
Yong Guan, Chengzhi Li, Dong Xuan, Riccardo Bettati, Wei Zhao
Abstract-In this paper, we address issues related to preventing traffic analysis in computer networks used for real-time mission-critical applications. We consider an IP-based network where headers...
A Routing Protocol for Anycast Messages
Dong Xuan Weijia, Dong Xuan, Weijia Jia, Wei Zhao, Senior Member, Hongwen Zhu
this paper, we propose and analyze a routing protocol for anycast message. It is composed of two subprotocols: the routing table establishment subprotocol and the packet forwarding subprotocol. In...