layer- switching 中文意思是什麼

layer- switching 解釋

  • layer : n 1 放置者，鋪設者，計劃者。2 【賽馬】（一般）賭客。3 產卵的雞。4 【軍事】瞄準手。5 層；階層；地...
  • switching : 變換
  1. High - speed, muti - services and economy have become the major issues of the future ip backbone technology as far as thes poiflt is concerned, thes paper explores layer 3 switdrig technology which separates control component and forward compontal in the traditional roulers. two forwarding al gori thms - - - - d ata - driven mo d el and top olo gy driven model are also compared, a next generation ip backbone echno l o gy - - - - multiproto co l label switching is developed, with its operation and its deployinent in traffic engineering, c1ass - ofservce and virtual private network

    本文從未來ip骨幹網技術所要求的高速化、多業務支持、經濟性出發，介紹了在傳統路由器基礎上將控制部件和轉發部件分離的第三層交換技術，比較了數據驅動模型和控制驅動（拓撲驅動）模型兩種轉發演算法，並由此引出下一代ip骨幹網路技術? ?多協議標記交換，闡述了其工作原理以及在流量工程、服務等級區分和虛擬專用網中的應用。
  2. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術，包括傳輸、交換、組網等，重點研究了光交叉連接的功能和結構、性能，對其引入的串擾進行了詳細分析，選擇恰當的器件參數進行了數值模擬，並提出了抑制措施（如雙重濾波、優化判決門限、選擇恰當的復用波長數） ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題（光網路類型、業務類型、流量類型、光網路生存性） 、 r認人演算法的分類和比較，具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法，提出預置光路的概念，對網路資源進行狀態分類（佔用、未佔用、預置） ，利用改進的r認叭演算法模擬，預置光路可為部分新到的連接請求快速建立連接，從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法，提出了以節點度數、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數，利用基於波長分層圖模型的并行r場人演算法模擬，利用新的鏈路權重函數使得演算法具有更優的性能，使網路具有更低的連接阻塞率。
  3. Operating layer users are operators, monitors, technicians, as well as trainee, they handle or manipulate equipment according to the prescriptive operation methods and requests to complete the tasks of telephone connection, quality control or switching equipment maintenance

    操作層用戶主要指臺站值班人員，包括話務員、糾察員、技術員以及接受培訓的新老工作人員。他們按規定的操作方法和要求完成電話接轉、質量監督和設備維護任務。
  4. Thirdly, some key technologies of optical layer protection such as fault monitoring, location, switching corporation, protection switching time were studied in chapter 3, a method of optical power monitoring for primary path and otdr monitoring for protection path was provided

    隨后研究了光層保護的網路故障監測、倒換判椐、故障定位、倒換協調、保護倒換時間等問題，提出了主通道光功率監測、備用通道背向散射曲線監測的故障監測方法。
  5. Through switching over back and forth between internal and external network, this scheme isolates interior network from exterior network in physical link layer at same time, but logic link to each other

    它通過在內外網間來回切換，同一時刻內外網間沒有連接，處於物理隔離狀態，但又邏輯地相連。
  6. The layer 3 switching technology, which combines the advantages of layer 2 switching and layer 3 routing is discussed. the general principles and implementation methods of ethernet layer 3 switch are described, and its advantages and applications are also introduced. in the later part of the thesis, detailed analysis is made for the realization principles of the switching structure and internal function modules of multiplayer

    該部分重點解釋了千兆以太網的體系結構和協議規范，對pcs 、 pma和pmd子層的實現技術和有關演算法的設計思想進行了深入的分析；並對設計中用到的幾種物理層晶元進行了介紹；此外該部分還分析了傳統第二層交換機和路由器的局限性，對集第二層交換和第三層路由優點於一身的第三層交換技術進行了討論，闡述了以太網第三層交換機的一般原理和實現，並介紹了其優點和應用。
  7. Consisted with gigabit router and gigabit 3 layer switch, etc high speed ip router and and switch equipment, it is applicable for the high speed ip router technology, 3 layer router switching technology and mpls technology based on optic fiber or optical network, to provide broadband, high speed ip router and vpn services

    由吉比特路由器、吉比特三層交換機等高速ip路由和交換設備組成，應用基於光纖或光聯網的高速ip路由技術、三層路由交換技術和多協議標記交換（ mpls ）技術，提供寬帶、高速的ip路由和vpn服務。
  8. Other than switching to a different transport protocol, such as the stream transmission control protocol stcp, it s up to the application layer developer to implement the buffering and segmenting functionality

    除非改用其他的傳輸協議，比如流傳輸控制協議（ stcp ） ，否則就要求應用層開發人員來實現緩沖和分段功能。
  9. The thesis also describes the design of the switch hardware, including microprocessor subsystem module, layer 2 / layer 3 switching module, fe interface module, ge interface module and out - band management module. the interface circuits among modules are introduced as well. finally, the thesis estimates the overall structure of the software. the implementation methods described in the thesis are also valuable references for the design of other switches based on other switching chips

    接著文章詳細介紹了該款交換機的硬體設計，給出了包括微處理器子系統模塊、 l2 l3交換模塊、 fe介面模塊、千兆介面模塊以及帶外管理模塊在內的主要模塊的電路設計實現，對各模塊之間的介面電路也作了介紹，文章最後對軟體的總體結構進行了分析。
  10. The layer 3 switching is a switching technology that is based on the network layer and a kind of perfect equipment which can substitute the router inside a lan. in this paper, it introduces the technology principle of the layer 3 switching router, and gives a design ideas in building backbone network

    三層交換是基於網路層的交換技術，是一種在局域網內部替代傳統路由器的理想設備.文中著重描述了第三層交換式路由技術原理，並給出建設骨幹網的設計思想
  11. The mpls technology was raised just in order to make the most of the switching technology in the core of the network and the ip routing technology on the edge of the network. before presenting the solution of the mpls, there are many integration model, the basic method adopted by them were all carry the control information from the ip router, and combine it with the transmition capability and the label switching of the atm switching machine, accordingly constructing a high speed and economic multi layer switching router. but, all these solutions can not communicate and just suit for adapting the atm as the second layer transmiting link, can n ' t work on other interface ( fr, ppp, and ethernet ), this is obviously conflict with the developing way of the based on packet of the internet

    多協議標簽交換（ mpls ）技術就是為了綜合利用網路核心的交換技術和網路邊緣的ip路由技術各自的優點而產生的。在mpls技術方案提出之前已有的各種集成模型解決方案所採取的基本方法都是從ip路由器獲取控制信息，將其與atm交換機的轉發性能和標簽交換方式相結合，從而構建成一個高速而經濟的多層交換路由器。但是，各種方案彼此不能互通，而且僅適用於以atm作為第2層的傳輸鏈路，不能工作在其他多種媒體（如幀中繼、點對點協議、以太網）中，這與internet基於分組的發展方向相矛盾。
  12. For multi - granularity application, both a lambda - group model used in traffic grooming and a new intelligent switching fabric based on the new model were presented. the optical switching fabric presented a distinctive approach of dividing granularities into specific tunnels for effective optical treatment. in addition, two key dynamic algorithm modules of configuration for granularity separation in the control layer were discussed. simulation results show that the method of particular channel partition can greatly improve the average channel quality and the blocking performance along every optical path for dynamic connection requests

    針對多粒度應用，開發了一種用於流量疏導的波群模型，並引入一種基於此模型的新型智能交換結構.該光交換結構提供了獨特的區分粒度到相應隧道進行有效處理的方法.此外，還討論了控制層粒度分離時採用的兩個關鍵的動態演算法模塊.模擬結果顯示這種特殊的通道分離方法有效提高了處理動態連接請求時每個光路徑的平均信號通道質量和阻塞性能
  13. Based on this technology of reconstruction, we analyzed the transmit characteristic of atm and packet switching network, then project of layer coding in sender and format of video stream is proposed respectively. at the receiver, the method of lost information reconstruction was proposed for the problem of packet or cell lost in transmission

    以接收端丟失信息重建技術為基礎，本文對atm網與分組交換網的傳輸特性進行了分析，針對atm網中vbr業務與分組交換網分別設計了相應的信源端分層編碼方案以及視頻流組織方案，同時在接收端對于分組與信元的丟失問題，提出了相應的丟失信息重建方案。
  14. The physical structure, physical layer protocol and multiple optimized opto - electronic and electronic to electronic design schemes for the next generation of cable digital tv optic packet switching network are discussed in the light of the generation of optic packets, coding scheme, regeneration of optic packets, synchronization of optic packets and flux allotment in optic packet switching

    摘要從光分組的產生、編碼方案、光分組的再生、光分組同步以及光分組交換的流量分配等入手，討論了下一代有線數字電視光分組交換網路的物理結構、物理層協議配置及光電、電電的多種優化設計方案。
  15. In addition, for system reliabilit ) ~ we implement the third layer protocol for cooperation between the active switching fabric, and redundant switching fabric

    此外，為了整個系統的可靠性，實現了架構在完整的hdlc協議之上的雙交換網路備份協議。
  16. Next, synthesizing the features of wired and wireless lan, a network structure based on combination of wired and wireless network is presented as network structure of on - board wirless comminucation system, alone with a discussion of problems on store and forward switching, enrolment of consumer, management of route control. call control and problems of network layer. at one time, design and realization of on - board wireless comminucation system are introduced combined with its feature

    其次，分析了有線局域網與無線局域網的特點，提出了一種基於有線無線異構網路作為車載無線數據傳輸系統的網路結構，討論了存儲轉發、用戶注冊、地址與路由管理和呼叫控制等網路層問題。並結合車載無線數據傳輸系統的實際特點，具體說明了車載無線數據傳輸系統的設計與實現過程。
  17. Switching chip bcm5615. the data flows in layer 2 and layer 3 are analyzed in detail. according to the analysis, the thesis describes the implementation of a gigabit routing switch based on bcm5615

    之後文章對多層交換晶元bcm5615的交換結構、內部各個功能模塊的原理實現以及晶元中的二、三層數據流程作了比較詳細的分析。
  18. In the core layer, some vendors are doing researches on equipments integrating circuit switching, cell switching and packet switching technologies

    在網路的核心層，目前已經有廠家在致力於研究融合電路交換、信元交換和分組交換技術的設備。
  19. It is found that the surface potential of the negative charge bits are higher than those of the corresponding positive ones. when ferroelectric polarization switching occurs, the potential difference becomes even more remarkable. the origin of this phenomenon traced to the existence of internal field within the interface layer which is near the ferroelectric / electrode interface

    研究發現pzt薄膜表面的電荷沉積與薄膜-底電極界面層內部的界面電場存在密切聯系，由此我們建立了一個界面電場模型，定性地解釋了pzt薄膜表面電荷沉積的非對稱現象。
  20. The application of vlan in 3 - layer switching network

    技術在基於三層交換網路中的應用
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