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	1. Using Flow Label to Provide Higher QoS
	Zhang Shengliang
	Computer Science and Technology 03 February 2008
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	Abstract:Now, the Internet of IPv4 only provides “best-effort” service. But the real-time applications have developed widely such as voice over IP(VoIP) and video-on-demand(VoD), and they need higher QoS(Quality of Service). The core of any QoS scheme will be how to monitor and manage traffic flows that have guaranteed QoS. The two QoS approaches used in the literature are Int-Serv(Integrated service) and Diff-Serv(Differentiated service). Int-Serv uses the resource reservation protocol(RSVP)for signaling the path. Decisions on QoS requests are taken by each router independently. Diff-Serv uses bandwidth brokers as a QoS Management model to negotiate request, communicate with edge nodes and track reservations. To support QoS, Flow Label field has been proposed in the IPv6 header, which can be used to specify the QoS requirements. In this paper, we propose a QoS scheme using a modified Flow Label. We discuss how to process the Flow Label field in the Int-Serv and Diff-Serv models respectively and we give a detail specification of the 20 bits of the Flow Label field.
	TO cite this article:Zhang Shengliang. Using Flow Label to Provide Higher QoS[OL].[ 3 February 2008] http://en.paper.edu.cn/en_releasepaper/content/18586


	2. Quantum Particle swarm optimization based network Intrusion feature selection and Detection
	Zhang Hongmei,Gao Haihua,Wang Xingyu
	Computer Science and Technology 14 December 2007
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	Abstract:Considering the relevance among features, which filter-based feature selection method fails to deal with, a kind of hybrid quantum particle swarm optimization and support vector machines based network intrusion feature selection wrapper algorithm is put forward. The subset of features is represented using quantum superposition characteristic and probability representation, among which superposition characteristic can make a single particle represent several states, thus potentially increases population diversity. Every particle in the quantum particle swarm stands for a selected subset of features. A probabilistic mutation is adopted to avoid local optimal and a taboo search table is used to enlarge particle swarm’s search space and avoid repeated computation. The fitness of particle is defined as the correct classification percentage by SVM using a training set whose patterns are represented using only the selected subset of features. The results of experiments demonstrate that the proposed method can be an effective and efficient way for feature selection and detection via using the data sets of KDD cup 99.
	TO cite this article:Zhang Hongmei,Gao Haihua,Wang Xingyu. Quantum Particle swarm optimization based network Intrusion feature selection and Detection[OL].[14 December 2007] http://en.paper.edu.cn/en_releasepaper/content/16964


	3. NAT/Firewall Traversal in NSIS
	Li Xin
	Computer Science and Technology 09 November 2007
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	Abstract:In this paper, at first, we analyze the necessity of NAT and firewall. Meanwhile we should notice that NAT and firewall are some impeditive to an end-to-end session, in other words, we need to traverse them under some circumstances. In the following sections, we enumerate several kinds of solutions for NAT and firewall traversal. Unfortunately, all of current solutions have respective defects, so that we could not traverse NAT and firewall thoroughly. To resolve these problems, we introduce Next Steps in Signaling (NSIS) in this paper. NSIS can not be only applied in traditional network, but also can be used for mobile scenarios. It can deal with problems caused by the mobility.
	TO cite this article:Li Xin. NAT/Firewall Traversal in NSIS[OL].[ 9 November 2007] http://en.paper.edu.cn/en_releasepaper/content/16263


	4. TVe e-an Easier implemented and Faster encoded/decoded Format of Encoding Rules than TLV of BER for ASN.1
	LiChi Zhang,JiangTao Yin,XuDong Yang
	Computer Science and Technology 11 October 2007
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	Abstract:TVe -a new triplet improved from TLV format representing of Type ,Value ,and end-of-contents -is an encoding format established aiming at building an easier realized and faster encoder/decoders. In this article we examine ASN.1 and the owner of TLV BER; and turn to TVe, fully describing its structure and main principles, comparing it with TLV format and seeing how it fix the problems that TLV occurs with flawless proves; then the corresponding encoding rules ERa -Encoding Rules adding end-of-content mark-will be briefly introduced on implementation, with final conclusion to discuss TVe’s application areas, and researches that still has to be done, the parts which remain needs to be improved.
	TO cite this article:LiChi Zhang,JiangTao Yin,XuDong Yang. TVe e-an Easier implemented and Faster encoded/decoded Format of Encoding Rules than TLV of BER for ASN.1[OL].[11 October 2007] http://en.paper.edu.cn/en_releasepaper/content/15599


	5. Web services application development based on ISG simulator
	Dan Xu
	Computer Science and Technology 09 January 2007
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	Abstract:This paper lists the key technologies in web services, such as SOAP, WSDL, and XML. Most importantly, it focuses on the application development based on ISG simulator. ISG provides a set of OSA methods and supports Parlay API. ISG simulator has combined many basic simulators and supports the same API as ISG. Using ISG simulator we can develop application easily and quickly, and the application can work well when transferred to real ISG.
	TO cite this article:Dan Xu. Web services application development based on ISG simulator[OL].[ 9 January 2007] http://en.paper.edu.cn/en_releasepaper/content/10624


	6. The Model, Architecture and Mechanism Behind Realcourse
	Zhang Jinyu ,Li Xiaoming
	Computer Science and Technology 22 November 2006
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	Abstract:Realcourse is a video stream service supported by a collection of physical servers distributed all over China. This article provides a comprehensive description on the model, architecture, and operation mechanism behind realcourse. In particular, the highly-availability feature and dynamic re-configurability is emphasized.
	TO cite this article:Zhang Jinyu ,Li Xiaoming . The Model, Architecture and Mechanism Behind Realcourse[OL].[22 November 2006] http://en.paper.edu.cn/en_releasepaper/content/9798


	7. A New Algorithm for Web User Categorization
	Yong-Xian WANG
	Computer Science and Technology 29 December 2005
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	Abstract:Behavior and characterization of users is an important issue in the design and maintenance of websites. Analysis of the Web access logs can offer deep comprehension to the Web usage and facilitate the Web personalization. This paper presents a method for Web user categorization from Web log files. A link graph is constructed firstly after the data cleaning and transaction identification with original Web log data. The similarity between two pages in the link graph are defined which is based on the page link information and by merging the similar pages into a page class the link graph is compressed. Finally we use the FDOD, a measure of discrepancy between ordered sequences, to categorize the link paths into several classes. The experiments on an actual Web site log data are tested and the results indicate that the approach proposed have advantages of easy-to-use, fast-response and good accuracy.
	TO cite this article:Yong-Xian WANG. A New Algorithm for Web User Categorization[OL].[29 December 2005] http://en.paper.edu.cn/en_releasepaper/content/4739

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