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	1. Load-Aware Transmission Mechanism for NVMeoF Storage Networks
	Qiao Xinghan,Xie Xuchao,Xiao Liquan
	Computer Science and Technology 21 October 2021
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	Abstract:NVMe over TCP is a key technology for building large-scale high-performance storage systems.It can realize NVMeoF (NVMe over Fabrics) storage network based on the existing data center network infrastructure and standard TCP/IP software protocol stack. This article designs and implements the Load-Aware NVMeoF message processing mechanism LANoT (Load-Aware NVMe over TCP). Firstly, the interrupt merging technology based on aggregated PDU is used to alleviate the interrupt storm problem and achieve high throughput. Secondly, matching the special message processing mechanism, which can effectively improve its key performance indicators for applications according to the I/O characteristics of different dedicated queues . This paper implements the LANoT prototype system in the Linux kernel. The performance test results show that compared to the NVMe over TCP implementation in the standard Linux kernel, LANoT can reduce CPU resource consumption by more than 50% and increase IOPS by more than twice.
	TO cite this article:Qiao Xinghan,Xie Xuchao,Xiao Liquan. Load-Aware Transmission Mechanism for NVMeoF Storage Networks[OL].[21 October 2021] http://en.paper.edu.cn/en_releasepaper/content/4755658


	2. An uncoupled and lightweight Virtualized Network Function Controller
	LI Kai,Wang Chun
	Computer Science and Technology 24 January 2019
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	Abstract:NFV (Network Function Virtualization) is a powerful emerging technique with widespread applicability. In this paper, we propose a creative solution to decouple the strong coupling relationship between VNF (Virtualized Network Function) and VNFM (Virtualized Network Function Manager) in the current NFV practice. Our solution is to design a VNFC (Virtualized Network Function Controller). It can quickly automate the deployment of VNF into the Docker container and can use the improved compression algorithm to achieve fast inter-node migration of VNF. We have experimentally proved that Docker\'s performance can be improved by 3 to 4 times compared with VM and the improved compression algorithm can effectively improve the compression ratio.
	TO cite this article:LI Kai,Wang Chun. An uncoupled and lightweight Virtualized Network Function Controller[OL].[24 January 2019] http://en.paper.edu.cn/en_releasepaper/content/4747144

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	3. Integrating the local network structure and router performance for better routing stratege
	Chen Zhaoyin
	Computer Science and Technology 17 December 2014
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	Abstract:Network capacity and average travel distance of data packets are two key measurements to reflect the efficiency of traffic routing strategy. Network structure and routing strategy are the main factors determining the network performance. Previous study shows that the Internet topology has both scale-free and small-world features. In this paper we study information packet routing process on scale-free networks by mimicking the Internet traffic delivery strategies. We propose a routing strategy integrating the network structure characteristic and router processing ability. We first model the network by presenting the relationship between network capacity and network topology, router processing ability including transmission rate and buffer size. We find that congestions are more susceptible to occur in the nodes with both large betweenness centrality and low router processing ability. Instead of only using the information of degree and betweenness centrality, the new algorithm is derived on both the betweenness centrality and router processing ability. Simulation results suggest that the integrated routing strategy is more efficient in terms of the network capacity and average packet travel distance than SP and MD routing strategy.
	TO cite this article:Chen Zhaoyin. Integrating the local network structure and router performance for better routing stratege[OL].[17 December 2014] http://en.paper.edu.cn/en_releasepaper/content/4624131


	4. A TLV Structure Semantic Constraints based Method for Reverse Engineering Protocol Packet Formats
	He Lian,Wen Qianyan,Zhang Zhao
	Computer Science and Technology 24 December 2013
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	Abstract:mining unknown protocol packet formats is a very effective way to improve network security, especially in promoting the accuracy of network fuzz test. However, researches reverse engineering unknown protocol packets mostly depend on manual analysis, which is extremely time consuming and low efficiency. In this paper, we proposed a new method to infer the unknown protocol packet formats automatically. This method could infer the potential TLV fields and extract protocol format with low time consuming. First we define a threshold value for the sum of tag field types. Then we increase the value of a variable standing for the length of a tag filed until the type number of this tag fields reaches the threshold. After the tag filed is obtained, we can easily get the length field and the value field next to it. Run this process on the value field recursively, and we could finally get the whole structure of packet formats. In order to demonstrate the effectiveness, we applied our methods on the Get-Request packets of SNMP. As a result, almost 90% of the TLV structures of packets are extracted, at the same time, the field of Get-Request Id is also inferred successfully
	TO cite this article:He Lian,Wen Qianyan,Zhang Zhao. A TLV Structure Semantic Constraints based Method for Reverse Engineering Protocol Packet Formats[OL].[24 December 2013] http://en.paper.edu.cn/en_releasepaper/content/4575830


	5. TrafficS:A Behavior-based Network Traffic Classification Benchmark System with Traffic Sampling Functionality
	Xiaoyan Yan,Liang Bo,Ban Tao,Guo shanqing,Wang Liming
	Computer Science and Technology 28 December 2012
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	Abstract:In recent years, there have been many methods proposed to perform network traffic classification based on application protocols. Still, there is a pressing need for a practical tool to benchmark the performance of these approaches in real-world high-performance network environments. In this paper, based on rigorous requirements analysis on real-world environments, we present a real-time traffic classification benchmark system, termed TrafficS, which aims at easy performance-evaluation between different intelligent methods. TrafficS is not only extensible to incorporate multiple traffic classification engines but supports different packet/stream sampling techniques as well. Furthermore, it could provide users a comprehensive means to perceive the difference between inspected methods in various aspects.
	TO cite this article:Xiaoyan Yan,Liang Bo,Ban Tao, et al. TrafficS:A Behavior-based Network Traffic Classification Benchmark System with Traffic Sampling Functionality[OL].[28 December 2012] http://en.paper.edu.cn/en_releasepaper/content/4504910


	6. Contention-free Scheduling for Safety-critical Tasks in AFDX Network
	WANG Weizhen, LI Jian, Hu Fei
	Computer Science and Technology 14 December 2012
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	Abstract:AFDX is an emerging avionics bus for next generation aircraft. It is based on IEEE 802.3 Ethernet technology and utilizes commercial off-the-shelf (COTS) components. The delay performance is one of the main aspects of aviation network design, but the currently research about the end-to-end delay analysis for an AFDX data network is very pessimistic due to provisioning for the worst-case. This article focuses on improving the AFDX end-to-end delay performance. With stricter constraints on AFDX, a scheduling algorithm is designed to guarantee that critical tasks are conflict-free, it combines binary search with a worst match algorithm based on pinwheel to separate the start time of every safety-critical task. Due to this, the end-to-end delay for safety-critical tasks is shorter and the performance can be improved. A simulation is built and the result proves that the end-to-end delay performance is improved and our solution is useful.
	TO cite this article:WANG Weizhen, LI Jian, Hu Fei. Contention-free Scheduling for Safety-critical Tasks in AFDX Network[OL].[14 December 2012] http://en.paper.edu.cn/en_releasepaper/content/4503067


	7. MRS: A Click-based Multipath Routing Simulator
	Liang Jiao,Donghong Qin,Jiahai Yang,Liansheng Ge
	Computer Science and Technology 03 April 2012
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	Abstract:The ability to forward traffic on multiple paths would be useful for customizing paths for different applications, improving reliability and balancing load. In order to evaluate the behaviour and performance of multipath routing protocols both simulators and test bed are often used. The simulator is used in the first stages and the test bed is used in the final stages of the development process. However, when moving from simulation to test bed, source code usually needs to be re-implemented. In this paper, we present MRS to address these issues. It was constructed by embedding the Click Modular Router inside of the NS2 simulator. The source code with MRS may run on an actual system as well as under a simulator with minor modifications. We implement a multipath routing protocol called AMIR in MRS. Simulation results show that MRS is a useful and effective tool for evaluating multipath routing protocols. The results also indicate that multipath routing has a greater advantage in improving network performance than single-path routing.
	TO cite this article:Liang Jiao,Donghong Qin,Jiahai Yang, et al. MRS: A Click-based Multipath Routing Simulator[OL].[ 3 April 2012] http://en.paper.edu.cn/en_releasepaper/content/4472717


	8. Measuring Google CDN: locating data centers and evaluating delay performance
	Xu Dan
	Computer Science and Technology 10 January 2011
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	Abstract:Content distribution network (CDN) is a system designed to reduce the bandwidth costs, increase global availability of content and improve end user performance. The famous internet search company Google has established his own CDN to transmit most of his traffic over the internet. In this paper we conduct extensive measurement of Google CDN. The purpose of our measurement is to locate Google data centers in the worldwide and further evaluate and analyze the delay performance of Google CDN. Based our measurement, we firstly try to find out all the content servers of Google CDN and present a novel approach to cluster these content servers into several data centers. Then we evaluate the delay performance from four different service type of Google CDN and give some observations of Google CDN's response strategy to the client's request.
	TO cite this article:Xu Dan. Measuring Google CDN: locating data centers and evaluating delay performance[OL].[10 January 2011] http://en.paper.edu.cn/en_releasepaper/content/4405704


	9. An Improvement of the Route Discovery Process in AODV for Ad Hoc Network
	Yongjun Hu,Junliang Shen
	Computer Science and Technology 03 November 2009
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	Abstract:Ad hoc networks are composed of a set of mobile and wireless nodes. They have several characteristics such as being self-organized, dynamically changing topology and multi-hop connectivity. Ad-Hoc On-Demand Distance Vector Routing (AODV) is one of the most widely researched on-demand ad hoc routing protocols. An improvement of the route discovery process in AODV (IMAODV) is proposed to decrease the delay and the routing overload in this paper. The performance of IMAODV is compared with AODV in terms of routing load and average end-to-end delay. The simulation results show that IMAODV has less the average end-to-end delay and the routing load than AODV in the network.
	TO cite this article:Yongjun Hu,Junliang Shen. An Improvement of the Route Discovery Process in AODV for Ad Hoc Network[OL].[ 3 November 2009] http://en.paper.edu.cn/en_releasepaper/content/36374


	10. DHT based context information disseminating method in autonomic network
	WangHao
	Computer Science and Technology 11 February 2009
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	Abstract:In autonomic network, context information given by monitor is the main foundation of decision. In order to make good use of network context information, the dissemination sub-system is needed to be scalable (support large scale of autonomic network) and distributed(deal with issue of single point of failure). In response to these demands, we propose a method to construct a context information dissemination model based on DHT. In our targeted application, an overlay network is built upon the lower network consist of autonomic nodes. The context information can be published and located using DHT lookup mechanism in the structured distributed network environment. To deal with the mismatch between the overlay-level network and physical network, we present a self-adjust scheme to reduce the lookup routing latency during the process agents apply for the context information. In the strategy, we aim to make node themselves adjust node identifiers in a geographically manner. This self-adjust operation only takes place when the autonomic node access to DHT overlay network.
	TO cite this article:WangHao. DHT based context information disseminating method in autonomic network[OL].[11 February 2009] http://en.paper.edu.cn/en_releasepaper/content/28818

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