Troubleshooting Chronic Conditions in Large IP Networks (2009)
Ajay Mahimkar, Jennifer Yates, Yin Zhang, Aman Shaikh, Jia Wang, Zihui Ge, ...
Chronic network conditions are caused by performance impairing events that occur intermittently over an extended period of time. Such conditions can cause repeated performance degradation to...
Ajay Mahimkar, Advisors Yin Zhang, Jennifer Yates, Advisors Harrick, M. Vin, Yin Zhang, ...
• My research interests span several areas of systems and networks, including network design & management, security, intrusion detection, and diagnosis. Education
Troubleshooting Chronic Conditions in Large IP Networks (2009)
Ajay Mahimkar, Jennifer Yates, Yin Zhang, Aman Shaikh, Jia Wang, Zihui Ge, ...
Chronic network conditions are caused by performance impairing events that occur intermittently over an extended period of time. Such conditions can cause repeated performance degradation to...
ABSTRACT Lightweight Application Classification for Network Management (2008)
Zihui Ge, Hongbo Jiang, Shudong Jin, Andrew W. Moore
Traffic application classification is an essential step in the network management process to provide high availability of network services. However, network management has seen limited use of traffic...
E. G. Coffman, Zihui Ge, Don Towsley, Vishal Misra
Recent studies [1] have revealed vulnerabilities in the routing infrastructure of the Internet. It has been conjectured that these vulnerabilities could lead to cascading failures. In this paper we...
ABSTRACT Lightweight Application Classification for Network Management (2008)
Zihui Ge, Hongbo Jiang, Shudong Jin, Andrew W. Moore
Traffic application classification is an essential step in the network management process to provide high availability of network services. However, network management has seen limited use of traffic...
ABSTRACT Lightweight Application Classification for Network Management (2008)
Zihui Ge, Hongbo Jiang, Shudong Jin, Andrew W. Moore
Traffic application classification is an essential step in the network management process to provide high availability of network services. However, network management has seen limited use of traffic...
Internet traffic and multiresolution analysis (2008)
Zhang, Y., Ge, Zihui, Diggavi, S., Mao, Morley, Roughan, Matthew, Vaishampayan, V., ...
Copyright © Institute of Mathematical Statistics, 2008
Internet traffic and multiresolution analysis (2008)
Zhang, Y., Ge, Zihui, Diggavi, S., Mao, Morley, Roughan, Matthew, Vaishampayan, V., ...
Copyright © Institute of Mathematical Statistics, 2008
Weifeng Chen, Zihui Ge, Chun Zhang, Jim Kurose, Don Towsley
Abstract. Subset Dierence Revocation (SDR) [8] has been proposed to perform group rekeying in a stateless manner. However, statelessness comes at a cost in terms of storage and message overhead when...
Micah Adler, Zihui Ge, James F. Kurose, Don Towsley, Stephen Zabele
In many large scale data dissemination systems, a large number of information flows must be delivered to a large number of information receivers. However, because of differences in interests among...
Matchmaker: A Distributed Publish/Subscribe Architecture (2007)
Zihui Ge, Ping Ji, Jim Kurose, Don Towsley
The publish/subscribe (pub/sub) paradigm provides content-oriented data dissemination in which communication channels are established between content publishers and content subscribers based on a...
Weifeng Chen, Zihui Ge, Chun Zhang, Jim Kurose, Don Towsley
Subset Difference Revocation (SDR) [7] has been proposed to perform group rekeying in a stateless manner. However, statelessness comes at a cost in terms of key storage and messaging overhead when...
Dynamic Cache Reconfiguration Strategies for a Cluster-Based Streaming Proxy (2007)
Yang Guo, Zihui Ge, Bhuvan Urgaonkar, Prashant Shenoy, Don Towsley
The high bandwidth and the relatively long-lived characteristics of digital video are key limiting factors in the wide-spread usage of streaming content over the Internet. The problem is further...
Path Protection Routing with SRLG Constraints to Support IPTV in WDM Mesh Networks (2006)
Cha, Meeyoung, Chaovalitwongse, W. Art, Ge, Zihui, Yates, Jennifer, Moon, Sue
The distribution of broadcast TV across large provider networks has become a highly topical subject as satellite distribution capacity exhausts and competitive pressures increase. In a typical IPTV...
Path Protection Routing with SRLG Constraints to Support (2006)
Meeyoung Cha, W. Art Chaovalitwongse, Zihui Ge, Jennifer Yates, Sue Moon
Abstract — The distribution of broadcast TV across large provider networks has become a highly topical subject as satellite distribution capacity exhausts and competitive pressures increase. In a...
Path Protection Routing with SRLG Constraints to Support (2006)
Meeyoung Cha, W. Art Chaovalitwongse, Zihui Ge, Jennifer Yates, Sue Moon
Abstract — The distribution of broadcast TV across large provider networks has become a highly topical subject as satellite distribution capacity exhausts and competitive pressures increase. In a...
Joint Traffic Blocking and Routing under Network Failures and Maintenances (2006)
Chao Liang, Zihui Ge, Yong Liu
Under device failures and maintenance activities, network resources reduce and congestion may arise inside networks. As a result, users experience degraded performance on packet delays and losses....
Yin Zhang, Zihui Ge, Albert Greenberg, Matthew Roughan
Anomaly detection is a first and important step needed to respond to unexpected problems and to assure high performance and security in IP networks. We introduce a framework and a powerful class of...
Yin Zhang, Zihui Ge, Albert Greenberg, Matthew Roughan
Anomaly detection is a first and important step needed to respond to unexpected problems and to assure high performance and security in IP networks. We introduce a framework and a powerful class of...
Yin Zhang, Zihui Ge, Albert Greenberg, Matthew Roughan
Anomaly detection is a first and important step needed to respond to unexpected problems and to assure high performance and security in IP networks. We introduce a framework and a powerful class of...
Yin Zhang, Zihui Ge, Albert Greenberg, Matthew Roughan
Anomaly detection is a first and important step needed to respond to unexpected problems and to assure high performance and security in IP networks. We introduce a framework and a powerful class of...
Ping Ji, Benyuan Liu, Don Towsley, Zihui Ge, Jim Kurose
We compare four different approaches to modeling frame-level errors in GSM channels. One of these, the Markov-based Trace Analysis (MTA) model, was developed explicitly for this purpose. The next...
Ping Ji, Benyuan Liu, Don Towsley, Zihui Ge, Jim Kurose
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Ping Ji, Benyuan Liu, Don Towsley, Zihui Ge, Jim Kurose
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Interest-based content retrieval and dissemination in distributed environments (2003)
In many networked applications, ranging from information dissemination services to distributed simulations and virtual worlds to file-sharing applications, a vast amount of information can...
Interest-based content retrieval and dissemination in distributed environments (2003)
In many networked applications, ranging from information dissemination services to distributed simulations and virtual worlds to file-sharing applications, a vast amount of information can...
Dynamic Cache Reconfiguration Strategies for A Cluster-Based Streaming Proxy (2003)
Yang Guo, Zihui Ge, Bhuvan Urgaonkar, Prashant Shenoy, Don Towsley
Abstract—The high bandwidth and the relatively longlived characteristics of digital video are key limiting factors in the wide-spread usage of streaming content over the Internet. The problem is...
Modeling Peer-Peer File Sharing Systems (2003)
Zihui Ge, Daniel R. Figueiredo, Sharad Jaiswal, Jim Kurose, Don Towsley
Abstract — Peer-peer networking has recently emerged as a new paradigm for building distributed networked applications. In this paper we develop simple mathematical models to explore and illustrate...
A Comparison of Hard-state and Soft-state Signaling Protocols (2003)
Ping Ji, Zihui Ge, Jim Kurose, Don Towsley
One of the key infrastructure components in all telecommunication networks, ranging from the telephone network, to VC-oriented data networks, to the Internet, is its signaling system. Two broad...
Dynamic Cache Reconfiguration Strategies for a Cluster-Based Streaming Proxy (2003)
Yang Guo, Zihui Ge, Bhuvan Urgaonkar, Prashant Shenoy, Don Towsley
The high bandwidth and the relatively longlived characteristics of digital video are key limiting factors in the wide-spread usage of streaming content over the Internet. The problem is further...
A Comparison of Hard-state and Soft-state Signaling Protocols (2003)
Ping Ji, Zihui Ge, Jim Kurose, Don Towsley
Abstract—One of the key infrastructure components in all telecommunication networks, ranging from the telephone network to VC-oriented data networks to the Internet, is its signaling system. Two...
A Comparison of Hard-state and Soft-state Signaling Protocols (2003)
Ping Ji, Zihui Ge, Jim Kurose, Don Towsley
Abstract — One of the key infrastructure components in all telecommunication networks, ranging from the telephone network, to VC-oriented data networks, to the Internet, is its signaling system....
A demand adaptive and locality aware (dala) streaming media server cluster architecture (2002)
Zihui Ge, Ping Ji, Prashant Shenoy
The wide availability of broadband networking technologies such as cable modems and DSL coupled with the growing popularity of the Internet has led to a dramatic increase in the availability and the...
Min-cost matchmaker problem in distributed publish/subscribe infrastructures (2002)
Zihui Ge, Ping Ji, Jim Kurose, Don Towsley
gezihui,jiping,kurose,towsley¡ The publish/subscribe (pub/sub) paradigm provides content-oriented data dissemination, where communication channels between content providers and content consumers are...
A Demand Adaptive and Locality Aware (DALA) Streaming (2002)
Media Server Cluster, Zihui Ge, Ping Ji, Prashant Shenoy
as cable modems and DSL coupled with the growing popularity of the Internet has led to a dramatic increase in the availability and the use of online streaming media. With the "last mile"...