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Displaying 1-19 out of 19 total
DARD: Distributed Adaptive Routing for Datacenter Networks
Found in: 2012 IEEE 32nd International Conference on Distributed Computing Systems (ICDCS)
By Xin Wu,Xiaowei Yang
Issue Date:June 2012
pp. 32-41
Data center networks typically have many paths connecting each host pair to achieve high bisection bandwidth for arbitrary communication patterns. Fully utilizing the bisection bandwidth may require flows between the same source and destination pair to tak...
 
Comparing Public-Cloud Providers
Found in: IEEE Internet Computing
By Ang Li, Xiaowei Yang,Srikanth Kandula, Ming Zhang
Issue Date:March 2011
pp. 50-53
As cloud computing becomes increasingly popular among enterprises, developers, and organizations, it's time to consider the practical problem: how do you choose from the growing number of providers? To help users make this decision, researchers first deter...
 
Gray Relational Evaluation Model with Preferences Based on Characteristics-AHP
Found in: Electrical and Control Engineering, International Conference on
By Li Gang, Zhang Xiaowei, Yang Chao
Issue Date:June 2010
pp. 1100-1103
An evaluation model of Gray Relational Analysis with preferences of decision makers based on Characteristics-AHP is built. This model makes fully use of the advantage of gray theory on the fields of performance evaluation for small sample and poor data. Co...
 
An Accelerated SMO-Type Online Learning Algorithm
Found in: Computational Intelligence and Security, International Conference on
By Zhifeng Hao, Zhenhua He, Xiaowei Yang
Issue Date:December 2007
pp. 65-69
In order to accelerate the learning speed for online learning algorithm, a fast support vector machine online learning algorithm is presented in this paper. In the proposed algorithm, the learning condition is relaxed and a novel learning strategy is prese...
 
Successive Overrelaxation for Mamdani Fuzzy Systems
Found in: Fuzzy Systems and Knowledge Discovery, Fourth International Conference on
By Qianfeng Cai, Zhifeng Hao, Xiaowei Yang
Issue Date:August 2007
pp. 699-705
To design a Mamdani fuzzy system with good generalization ability in high dimensional feature space, a novel learning algorithm based on the struct- ural risk minimization (SRM) inductive principle is presented in this paper. Firstly, the parameter estimat...
 
A Local-Density-Ratio Based Algorithm for Setting Weight in Weighted Least Squares Support Vector Machine
Found in: Intelligent Systems Design and Applications, International Conference on
By Zhuangfeng Shao, Xiaowei Yang, Wen Wen, Zhifeng Hao
Issue Date:October 2006
pp. 167-171
How to assign weights on samples is an important subject in weighted least squares support vector machine (WLS-SVM) for regression problems, which largely influences the robustness of the WLS-SVM. Based on the local outlier factor (LOF), a useful factor fo...
 
PacketCloud: an open platform for elastic in-network services
Found in: Proceedings of the eighth ACM international workshop on Mobility in the evolving internet architecture (MobiArch '13)
By Ang Li, Bingyang Liu, Jun Bi, Xiaowei Yang, Yang Chen, Yu Chen
Issue Date:October 2013
pp. 17-22
The Internet was designed with the end-to-end principle where the network layer provided merely the best-effort forwarding service. This design makes it challenging to add new services to the network layer. However, as the Internet connectivity becomes a c...
     
Leveraging Social Feedback to Verify Online Identity Claims
Found in: ACM Transactions on the Web (TWEB)
By Jian Wei Gan, Kyungbaek Kim, Michael Sirivianos, Xiaowei Yang
Issue Date:March 2014
pp. 1-38
Anonymity is one of the main virtues of the Internet, as it protects privacy and enables users to express opinions more freely. However, anonymity hinders the assessment of the veracity of assertions that online users make about their identity attributes, ...
     
NetPilot: automating datacenter network failure mitigation
Found in: Proceedings of the ACM SIGCOMM 2012 conference on Applications, technologies, architectures, and protocols for computer communication (SIGCOMM '12)
By Chao-Chih Chen, Daniel Turner, David A. Maltz, Lihua Yuan, Ming Zhang, Xiaowei Yang, Xin Wu
Issue Date:August 2012
pp. 419-430
Driven by the soaring demands for always-on and fast-response online services, modern datacenter networks have recently undergone tremendous growth. These networks often rely on commodity hardware to reach immense scale while keeping capital expenses under...
     
FaaS: filtering IP spoofing traffic as a service
Found in: Proceedings of the ACM SIGCOMM 2012 conference on Applications, technologies, architectures, and protocols for computer communication (SIGCOMM '12)
By Bingyang Liu, Jun Bi, Xiaowei Yang
Issue Date:August 2012
pp. 113-114
With the rapid growth of data centers, minimizing the queueing delay at network switches has been one of the key challenges. In this work, we analyze the shortcomings of the current TCP algorithm when used in data center networks, and we propose to use lat...
     
CloudProphet: towards application performance prediction in cloud
Found in: Proceedings of the ACM SIGCOMM 2011 conference on SIGCOMM (SIGCOMM '11)
By Ang Li, Ming Zhang, Srikanth Kandula, Xiaowei Yang, Xuanran Zong
Issue Date:August 2011
pp. 426-427
Choosing the best-performing cloud for one's application is a critical problem for potential cloud customers. We propose CloudProphet, a trace-and-replay tool to predict a legacy application's performance if migrated to a cloud infrastructure. CloudProphet...
     
CloudCmp: comparing public cloud providers
Found in: Proceedings of the 10th annual conference on Internet measurement (IMC '10)
By Ang Li, Ming Zhang, Srikanth Kandula, Xiaowei Yang
Issue Date:November 2010
pp. 1-14
While many public cloud providers offer pay-as-you-go computing, their varying approaches to infrastructure, virtualization, and software services lead to a problem of plenty. To help customers pick a cloud that fits their needs, we develop CloudCmp, a sys...
     
NetFence: preventing internet denial of service from inside out
Found in: Proceedings of the ACM SIGCOMM 2010 conference on SIGCOMM (SIGCOMM '10)
By Xiaowei Yang, Xin Liu, Yong Xia
Issue Date:August 2010
pp. 112-ff
Denial of Service (DoS) attacks frequently happen on the Internet, paralyzing Internet services and causing millions of dollars of financial loss. This work presents NetFence, a scalable DoS-resistant network architecture. NetFence uses a novel mechanism, ...
     
SafeGuard: safe forwarding during route changes
Found in: Proceedings of the 5th international conference on Emerging networking experiments and technologies (CoNEXT '09)
By Ang Li, David Wetherall, Xiaowei Yang
Issue Date:December 2009
pp. 301-312
This paper presents the design and evaluation of SafeGuard, an intra-domain routing system that can safely forward packets to their destinations even when routes are changing. SafeGuard is based on the simple idea that packets carry a destination address p...
     
Auction, but don't block
Found in: Proceedings of the 3rd international workshop on Economics of networked systems (NetEcon '08)
By Xiaowei Yang
Issue Date:August 2008
pp. 107-112
This paper argues that ISP's recent actions to block certain applications (e.g. BitTorrent) and attempts to differentiate traffic could be a signal of bandwidth scarcity. Bandwidth-intensive applications such as VoD could have driven the traffic demand to ...
     
To filter or to authorize: network-layer DoS defense against multimillion-node botnets
Found in: Proceedings of the ACM SIGCOMM 2008 conference on Data communication (SIGCOMM '08)
By Xiaowei Yang, Xin Liu, Yanbin Lu
Issue Date:August 2008
pp. 325
This paper presents the design and implementation of a filter-based DoS defense system (StopIt) and a comparison study on the effectiveness of filters and capabilities. Central to the StopIt design is a novel closed-control, open-service architecture: any ...
     
On improving the efficiency and manageability of NotVia
Found in: Proceedings of the 2007 ACM CoNEXT conference (CoNEXT '07)
By Ang Li, Pierre Francois, Xiaowei Yang
Issue Date:December 2007
pp. 89-97
This paper presents techniques that improve the efficiency and manageability of an IP Fast Reroute (IPFRR) technology: NotVia. NotVia provides the IPFRR service for all destinations in an ISP's network upon any single link or node failure, while previous p...
     
Source selectable path diversity via routing deflections
Found in: Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications (SIGCOMM '06)
By David Wetherall, Xiaowei Yang
Issue Date:September 2006
pp. 112
We present the design of a routing system in which end-systems set tags to select non-shortest path routes as an alternative to explicit source routes. Routers collectively generate these routes by using tags as hints to independently deflect packets to ne...
     
A DoS-limiting network architecture
Found in: Proceedings of the 2005 conference on Applications, technologies, architectures, and protocols for computer communications (SIGCOMM '05)
By David Wetherall, Thomas Anderson, Xiaowei Yang
Issue Date:August 2005
pp. 241-252
We present the design and evaluation of TVA, a network architecture that limits the impact of Denial of Service (DoS) floods from the outset. Our work builds on earlier work on capabilities in which senders obtain short-term authorizations from receivers t...
     
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