packet flow 中文意思是什麼

packet flow 解釋
封包流
  • packet : n 1 包裹;小件行李;(郵件等的)一捆;小批;袋。2 (定期)郵船,班輪。3 〈英俚〉(打賭等中輸贏的...
  • flow : vi 1 流,流動。2 (血液等)流通,循環。3 流過;川流不息;(時間)飛逝;(言語等)流暢。4 (衣服、...
  1. A simple, robust method is proposed that relies on high - resolution measurements and on - line analysis of network traffic to provide real - time alarms in the incipient phase of network anomalies. the anomaly identification algorithms based on behavior model using path changes, flow shift and packet delay variance

    通過高性能測量和在線分析網路流和路由信息對初始網路異常產生實時報警,提出基於路由變化、流變化和包延遲建立網路行為模型的網路異常檢測演算法。
  2. The basic thought of the csapfba algorithm is : the edge routers perform the state management per flow, and the edge routers differentiate between the marked flows and the non - marked flows, and the edge routers insert the relevant information into the packet header by using dynamic packet state ; the core routers divide the output link bandwidth into two parts in the light of the state information of the packet header by using class - based queueing, and the core routers allocate proportionally the bandwidth to the marked flows according to their service profiles and the current network load, and the core routers allocate the bandwidth to the non - marked flows according to the principle of max - min fairness, and the csapfba algorithm can adaptively dynamically adjust the bandwidth allocation between the marked flows and the non - marked flows

    本文在csfq演算法的基礎上,提出了一種核心無狀態的自適應的成比例公平帶寬分配csapfba ( core - statelessadaptiveproportionalfairbandwidthallocation )演算法。 csapfba演算法的基本思想是:在邊界路由器完成基於每個流的狀態處理,將所有的流分成標記流和非標記流兩種類型,採用dps技術將有關信息編碼進分組頭;在核心路由器根據分組頭中攜帶的狀態信息採用cbq策略,將輸出鏈路帶寬分成兩部分,對標記流根據當前的網路負荷按照服務規格成比例地分配帶寬,對非標記流按照最大最小公平性原則分配帶寬,並且能自適應地動態調整帶寬分配的比例。
  3. First, the user access flow of inrp protocol is discussed. second, the frame architecture of inrp is introduced. third, packet process is the kernel process of inrp and the tag which differs from dns protocol, the dissertation has a deeply discussion here

    我們首先概述了inrp的訪問流程,和dns的主要區別,概述了基於名字路由技術的inrp協議的幾個主要功能模塊,然後對其中幾個主要模塊進行了較深入的研究。
  4. When studying the network performance, flow control and resource provisioning of communication networks, traffic model plays a very important role. the recent studies show that the date network traffic is self - similar, so the markovian model, which describes telephone networks accurately, is not suitable for date networks. the self - similarity of the network traffic has severe impact on flow control and queuing analysis in date networks, therefore it has received significant attention. in this paper, g m 1 queuing model is used to analyze the queuing performance of generic variable length packet networks for the first time. the self - similar traffic is generated by multiplexing a large set of independent pareto heavy - tailed interarrival on off sources. the simulation results show that the heavy - tailed traffic results in queuing performance deterioration for variable length packet networks, which is in accordance with the analytical results for atm switches

    業務量的自相似特徵顯著影響網路的流量控制與排隊分析,已經引起人們的極大重視。採用g m 1排隊模型對分組長度可變的網路的排隊性能進行了分析和模擬,其中自相似業務量是通過疊加大量獨立的到達間隔為pareto重尾分佈的on off源來生成的。模擬結果表明,自相似業務量導致網路的排隊性能劣化,這與有關文獻對atm交換的分析結果一致。
  5. Svcs do not eliminate all queuing issues, as the flow from the packet level must still be queued to the physical line

    Svc沒有消除所有的排隊問題,因為從包層出來的信息流仍須排隊送到物理線路上。
  6. This thesis firstly analyzed the significance of the research of the network flow monitoring, and carefully researches the mode of real - time network flow measurement. basing on those studies, this thesis summarizes three key problems : high - speed network packet capture technology 、 packet filter technology and multidimensional packet classification algorithm respectively. after that, the thesis focuses on the solutions to the three problems

    本文首先分析了從事網路流量監測研究的現實意義,並仔細研究了rtfm實時網路流量測量模型,在此基礎上,歸結出了實現一個高性能的測量器將遇到的三個關鍵問題,即高速報文捕獲技術、報文過濾器實現技術和多維報文分類演算法。
  7. We put forward a principle of design multiple field packet classification algorithms base on the analyzing of the basic theory, algorithms structure and flow. now the speed of link is more and more high and the size of rule set is more and more large, it is difficult to design fast multiple field classification algorithms and the design principle is combine or improve the classical algorithms base on the analyzing the distributing law of the actual rule set

    分析上述各種演算法的基本思想、演算法結構及流程,本文總結出設計多域報文分類演算法的原則:針對當前鏈路速度不斷提高和規則庫規模不斷擴大的現狀,設計快速的多域報文分類演算法已經成為一個技術難點,一般的原則是在分析實際規則庫規則的分佈規律地基礎上對現有的經典演算法進行組合或者優化改進。
  8. This thesis provides the circuit schematic of the unit for measuring harmonic energy and the flow chart for measuring harmonic active energy and harmonic reactive energy. this thesis discusses the error origin of the system for measuring harmonic energy based on wavelet packet transform, and set up the error model, and presents the

    探討了基於小波包變換的諧波電能計量系統的誤差來源,建立了系統的誤差模型,提出了諧波電能計量系統的直流偏置、比差和角差的校正方法。
  9. Developerworks, january 2005 discusses the authentication and accounting protocols and explains the basic radius packet flow using a modem example

    ( developerworks , 2005年1月)討論了驗證和記費協定,並透過一個modem實例解釋了基本的radius封包流量。
  10. First, it gives a snapshot of some typical self - organized routing protocols in manet. then the design of self - organized routing algorithm based on ktrp is elaborated as the main part of this dissertation, including the choosing of key nodes, the main algorithm modification of ktrp to accommodate with the interior routing in subnet, the access flow between two layers, primary packet formats, tables, and ip routing algorithm. at last, the simulation model of the self - organized routing algorithm

    本文首先分析了現有的manet自組織路由協議;然後針對本信息傳輸分系統的網路結構,詳細分析了基於ktrp的子網內部以及相鄰層間的自組織路由演算法的設計,包括對多個關鍵節點的選取、為適應本課題子網內路由通信而對ktrp做出的主要演算法更改、相鄰層間接入互連的流程、自組織路由演算法中涉及的主要報文格式和表,並且舉例說明了ip選路演算法;最後對所設計的自組織路由演算法進行了模擬,以驗證演算法的有效性。
  11. We implement the traffic generator by these studies. the thesis focuses on how to generate abundance flow, how to send flow fastly, how to measure network, how to synchronize flow sender and flow receiver. we use some solution to resolve the problems, including that using linear congruential and modifying select - giveup algorithm to generate random number, implement class that has good application interface to user, making random number as packet ’ s inter - departure - time and packet size, which can provide flow base on special distribution, designing and implementing a method to active measure by our traffic generator, designing a accurately time counter and precision delay function, synchronizing flow sender and receiver by tgm message

    通過對現有技術的研究和改進,我們形成的解決方案如下:通過利用改進的線性同余演算法,以及對舍選法進行研究和改進,實現了一個具有良好應用介面的隨機變量生成器,利用其產生的隨機數作為發包的間隔或包的尺寸,以產生服從特定模式的流;利用傳輸的數據包設計並實現了網路的主動測量,為網路測量和流的發送設計了高精度的計時器,精確延時函數;利用自定義的tgm報文協調發送端和接收端的操作。
  12. Network flow accounting system based on acl packet filtering

    包過濾的網路流量計費系統
  13. Make clear the procedure of sending and receiving packet of kernel and the implementation of traffic control. the special mechanism in linux such as wait queue, task queue, time interrupt is also explained. after analyzing the file system of linux at large, we bring forward the design of modifying of file system. since many little file is created during the service of email and file service, we introduce the non volatile random access ram, by modifying the arithmetic of file system, changing the data flow of file system

    本文詳細介紹了針對網路專用服務器的專用linux系統的設計,對linux文件系統進行了詳盡的解析,包括vfs的實現, buffercache的作用等;並對塊設備驅動程序在內核中各個介面進行了分析;解析了內核接收和發送數據包的全過程以及流量控制在內核中的全過程;並對linux系統的一些特殊的機制如等待隊列,任務隊列,時鐘中斷等進行了詳細的解釋。
  14. Active network is regard as the most potential technology in the future, and it can be customized to compute the packet flow

    主動網具有對包流自定製計算的特點,被看作今後網路技術發展的重要趨勢之一。
  15. What - if analysis starts with measurements based on actual clientserver conversations, or peer - to - peer conversations and plots possible response time, utilization and packet flow scenarios

    假設模擬分析以基於實際客戶服務器對話的測量,或者對等對話和響應時間、利用率及分組流情景的策劃開始。
  16. 1 ) realization of software packet embedded in m - es and md - is respectively to accomplish main function of mdlp, including assignment of tei ( temporary equipment identifier ), establishment of multiple frame operation, framing, flow control and error - free transmission of packets, is detailed. 2 ) a test model is established to evaluate the robustness and stability of mdlp and verify the validity of software packets. 3 ) according to the design of radio modem construction used in m - es, the modules of interface between data terminal equipment and radio modem are achieved to enable transmission of short message and continuous pseudo - random bit stream via rs232 uart

    本文首先概述了蜂窩數字分組數據網的結構和空中協議,詳細分析了移動數據鏈路協議,並在此基礎上,重點敘述了以下方面的工作: 1 )設計並完成了分別應用於m - es和md - is端無線控制器的兩套程序實現數據鏈路層的主要功能,包括分配臨時設備號、建立鏈路、組幀和面向連接的服務保證分組正確無誤地傳輸,並進行適當的流控; 2 )建立測試模型測試移動數據鏈路協議的可靠性和穩定性,證明了程序包的效用; 3 )根據cdpd系統無線數據機的軟硬體總體設計方案,完成了介面模塊,實現了rs232異步串口通信,使用戶可以根據需要發送短消息或連續的偽隨機比特流; 4 )在tms320c54x的軟體、硬體模擬平臺上,建立了cdpd試驗模型,實現了cdpd系統的mdlp基本功能。
  17. We analyzed and compared the application flow and network capability of mobile virtual environments, then represented a new dead reckoning algorithm. this algorithm computes the dead reckoning threshold according to network latency and packet lost rate. the experiments showed that this dead reckoning algorithm matched the network capability and fulfilled the user demand

    在充分分析移動場景圖形應用流量與通信容量基礎上,我們提出一種新穎的dr前瞻演算法,此演算法依據網路延遲、分組丟失比率與使用者體驗來動態確定dr演算法更新頻度,實驗結果也驗證此演算法確實良好匹配網路變化情況,同時也滿足不同使用者體驗要求。
  18. Such a gprs packet access method not only increases the connection speed but also solves the problem of charging for the access to wap content. the price - sensitive gprs users of always - on service will be charged on the basis of data flow ; they do not have to worry about the duration - based charging system

    Gprs這種分組接入的方式不但提高了連接速度,而且解決了接入wap內容的資費問題,人們不用擔心按照通信時長計費的模式, gprs使用戶隨時在線,並按數據流量計費,在用戶對價格非常敏感的情況下,對業務的開展是很有好處的。
  19. As a result, it is no need for the endpoints to maintenance any system control task. in this article we propose a compactness coupling conference system architecture, and at the same time we analysis the system key techniques, giving a part of flow chart and pseudocode as examples. main content are given as below : how to use direcshow technique to obtain multimedia data ; multimedia data transport over ip network ; multicast principal and application in the system ; packing and unpacking rtp / rtcp packet so as to control network flow and in this part we introduce spillage arithmetic ; as the core part of the system, conference control and management are the main concern in our design

    323框架基礎上提出緊耦合式會議系統體系結構,並以c s結構作為實現模型;本文對會議系統的中心mcu流程進行分析設計,並建立數據結構;該部分還涉及到對各個資源的調度;為了對會議控制有更好的理解,用petri網描述了會議控制會議管理的過程並提出了靈活的授權管理機制;對服務器端的數據通信設計了多播通信的實現方案;本文簡單回顧了directshow技術的應用,並在此基礎上實現了多媒體數據的採集和回放;為實現多媒體在網路上實時傳輸選擇不可靠傳輸協議udp ,為使數據能正確回放,採用了rtp和rtcp協議。
  20. Based on the research of videoconference systems of h. 323 protocol over ip networks and the author ' s experiences of implementing h. 323 videoconference systems in remote education area, in this thesis the main factors that affect videoconference quality are analyzed, and a dynamic bit rate allocation model is proposed and partly implemented. this model is designed to dynamically allocate bit rate for multi - media data flow ( including audio data and video data ) in fixed bandwidth network environment. when continuous multi - media packet losses are detected in ip based h. 323 videoconference system, the bit rate of video data is adjusted meanwhile the bit rate of audio data remains unchanged, and the bit rate allocation of multi - media data ( including audio data and video data ) is optimized as a whole effect

    本文結合作者在h . 323視頻會議系統應用於遠程教育的經驗,通過對現有的基於ip網路的h . 323協議視頻會議系統的研究,分析了影響視頻會議質量的原因,提出並部分實現了在固定帶寬的網路環境下,基於ip的h . 323視頻會議的多媒體數據包發生丟包、抖動或延時時,保持音頻數據位速率不變,通過對視頻數據的位速率的進行調整,最終實現旨在提高視頻會議語音質量的多媒體數據位速率動態調整的模型。
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